diff --git a/webapp/coordinates.py b/webapp/coordinates.py
new file mode 100644
index 0000000..31d37c0
--- /dev/null
+++ b/webapp/coordinates.py
@@ -0,0 +1,35 @@
+
+import math
+
+from ipe_fetcher import AreaCoordinates
+def check_coordinates_area(coordinates: AreaCoordinates, max_area) -> AreaCoordinates:
+    swx = coordinates.get('swx')
+    swy = coordinates.get('swy')
+    nex = coordinates.get('nex')
+    ney = coordinates.get('ney')
+    x_interval = abs(nex - swx)
+    y_interval = abs(ney - swy)
+    area = x_interval * y_interval
+
+    if area <= max_area:
+        # We are within max area, use original coordinates
+        return coordinates
+    else:
+        # Decrease area size to max area while keeping x y ratio
+        new_x_interval = x_interval * math.sqrt(max_area / (x_interval * y_interval))
+        new_y_interval = y_interval * math.sqrt(max_area / (x_interval * y_interval))
+        return AreaCoordinates(
+            swx=(swx + nex - new_x_interval) / 2,
+            swy=(swy + ney - new_y_interval) / 2,
+            nex=(swx + nex + new_x_interval) / 2,
+            ney=(swy + ney + new_y_interval) / 2,
+        )
+
+
+def check_coordinates_args(args):
+    processed_args = {}
+    for k in ["swx", "swy", "nex", "ney"]:
+        if k not in args:
+            raise ValueError(f"{k} not in args")
+        processed_args[k] = float(args[k])
+    return processed_args
diff --git a/webapp/eligibility_api/elig_api_routes.py b/webapp/eligibility_api/elig_api_routes.py
index 0520ea7..c64dbc2 100644
--- a/webapp/eligibility_api/elig_api_routes.py
+++ b/webapp/eligibility_api/elig_api_routes.py
@@ -1,9 +1,8 @@
 from flask import Flask, request
 
-from ipe_fetcher import Axione
-
 from eligibility_api.elig_api_exceptions import ApiParamException
-
+from coordinates import check_coordinates_args, check_coordinates_area
+from ipe_fetcher.axione import AXIONE_MAX_AREA, Axione
 
 class EligibilityApiRoutes:
     def __init__(self, flask_app: Flask, axione_ipe: Axione):
@@ -19,3 +18,13 @@ class EligibilityApiRoutes:
                 raise ApiParamException("You need to specify path parameter 'refimmeuble'")
             return self.axione_ipe.get_eligibilite_per_id_immeuble(refimmeuble)
 
+
+        @self.flask_app.route("/eligibilite/axione/coord", methods=["GET"])
+        def get_axione_eligibility_per_coordinates():
+            args = request.args
+            try:
+                processed_args = check_coordinates_args(args)
+                coordinates = check_coordinates_area(processed_args, AXIONE_MAX_AREA)
+                return self.axione_ipe.getAreaBuildings(coordinates, {})
+            except ValueError:
+                raise ApiParamException("You need to specify path parameters 'swx' 'swy' 'nex' 'ney'")
\ No newline at end of file
diff --git a/webapp/ipe_fetcher/arcep.py b/webapp/ipe_fetcher/arcep.py
index d0ed04d..6af98be 100644
--- a/webapp/ipe_fetcher/arcep.py
+++ b/webapp/ipe_fetcher/arcep.py
@@ -16,13 +16,13 @@ class Arcep:
     @staticmethod
     def _get_etat_priority(etat_imm):
         if etat_imm == ARCEP_ETAT_DEPLOYE:
-            return 0
+            return 10
         elif etat_imm == "en cours de deploiement":
-            return 1
+            return 11
         elif etat_imm != "abandonne":
-            return 3
+            return 30
         else:
-            return 4
+            return 31
 
 
     def getAreaBuildings(
diff --git a/webapp/ipe_fetcher/axione.py b/webapp/ipe_fetcher/axione.py
index 7c94b33..e7a059d 100644
--- a/webapp/ipe_fetcher/axione.py
+++ b/webapp/ipe_fetcher/axione.py
@@ -15,6 +15,9 @@ AXIONE_ETAT_RACCORDABLE_DEMANDE = "RACCORDABLE DEMANDE"
 
 AXIONE_REFIMM_TABLE_NAME = "refimm"
 
+AXIONE_MAX_AREA = 0.08
+
+
 class Axione:
     def __init__(self, db_axione_ipe_path: str, db_name: str):
         self.db_axione_ipe_path = db_axione_ipe_path
@@ -44,9 +47,9 @@ class Axione:
         elif etat_imm == AXIONE_ETAT_RAD_DEPLOIEMENT:
             return 3
         elif etat_imm != AXIONE_ETAT_ABANDONNE:
-            return 4
+            return 20
         else:
-            return 5
+            return 21
 
 
     def getAreaBuildings(
@@ -68,7 +71,7 @@ class Axione:
             areaCoordinates,
         )
         req_area = cur.fetchone()[0]
-        if req_area <= 0.08:
+        if req_area <= AXIONE_MAX_AREA:
             cur.execute(
                 f"""
                 SELECT
@@ -105,12 +108,14 @@ class Axione:
                 date_commandable = ""
                 # C'est bien déployé, cependant ce n'est pas encore commandable (donc bientôt et on a la date)
                 # On laisse isEligible = True, côté JS il faut regarder le statut pour laj l'affichage en conséquence
+
                 if isEligible and date_debut:
                     try:
                         date_formatted = datetime.strptime(date_debut, '%Y%m%d').date()
+
                         if date_formatted >= datetime.now().date():
                             etatImm = AXIONE_ETAT_DEPLOYE_NON_COMMANDABLE
-                            date_commandable = date_formatted.strftime('%d/%m/%Y')
+                        date_commandable = date_formatted.strftime('%d/%m/%Y')
 
                     except ValueError as err:
                         print("Error while mainpulating DateDebutAcceptationCmdAcces from Axione DB: ", err)
diff --git a/webapp/ipe_fetcher/liazo.py b/webapp/ipe_fetcher/liazo.py
index 79f6cca..db8ee98 100644
--- a/webapp/ipe_fetcher/liazo.py
+++ b/webapp/ipe_fetcher/liazo.py
@@ -1,20 +1,29 @@
 import http.client as httplib
 from ipe_fetcher.model import AreaCoordinates, Building, FAIEligibilityStatus
 import json
+import time
+import traceback
 
 class Liazo:
     def __init__(self):
-        self.https_conn = httplib.HTTPSConnection("vador.fdn.fr")
+        pass
     
     def getAreaBuildings(
         self, narrow_coordinates: AreaCoordinates(), existing_buildings: dict
     ) -> dict:
         nc=narrow_coordinates
-        c = self.https_conn
-        req = "/souscription/gps-batiments.cgi?etape=gps_batiments&lat1=%f&lat2=%f&lon1=%f&lon2=%f" % (nc['swy'],nc['ney'],nc['swx'],nc['nex'])
+        c = httplib.HTTPSConnection("vador.fdn.fr")
+        api_params = "etape=gps_batiments&lat1=%f&lat2=%f&lon1=%f&lon2=%f" % (nc['swy'], nc['ney'], nc['swx'], nc['nex'])
+        req = f"/souscription/gps-batiments.cgi?{api_params}"
         req = req.replace(" ", "%20")
-        c.request("GET", req)
-        r = c.getresponse()
+        r = None
+        try:
+            c.request("GET", req)
+            r = c.getresponse()
+        except Exception:
+            print(f"Could not call Liazo API to get Buildings, params: {api_params}")
+            print(traceback.format_exc())
+            return existing_buildings
         if r.status < 200 or r.status >= 300:
             print("Erreur de serveur chez FDN.")
             return existing_buildings
@@ -27,7 +36,7 @@ class Liazo:
         for building in v:
             fdnEligStatus = FAIEligibilityStatus(
                 isEligible=True,
-                ftthStatus="DEPLOYE", # Pas de status donc on dit que c'est ok mais on check avec l'arcep si axione KO cote front
+                ftthStatus="DEPLOYE",  # Pas de status donc on dit que c'est ok mais on check avec l'arcep si axione KO cote front
                 reasonNotEligible=None,
             )
             idImm=building.get('ref')
@@ -49,7 +58,7 @@ class Liazo:
                     commune="",
                     bat_info="",
                     found_in = ["liazo"],
-                    etat_imm_priority=1,
+                    etat_imm_priority=4,
                     fdnEligStatus=fdnEligStatus,
                     aquilenetEligStatus=FAIEligibilityStatus(isEligible=False, reasonNotEligible="", ftthStatus=""),
                     othersEligStatus=FAIEligibilityStatus(isEligible=False, reasonNotEligible="", ftthStatus=""),
diff --git a/webapp/main.py b/webapp/main.py
index 90c4f71..d1f7611 100644
--- a/webapp/main.py
+++ b/webapp/main.py
@@ -7,7 +7,11 @@ from flask import Flask, request, render_template, redirect
 from eligibility_api.elig_api_exceptions import FlaskExceptions
 from eligibility_api.elig_api_routes import EligibilityApiRoutes
 from ipe_fetcher import Liazo, Axione, Arcep, AreaCoordinates
+from coordinates import check_coordinates_area, check_coordinates_args
 
+LIAZO_MAX_X_INTERVAL = 0.0022
+LIAZO_MAX_Y_INTERVAL = 0.0011
+LIAZO_MAX_AREA = LIAZO_MAX_X_INTERVAL * LIAZO_MAX_Y_INTERVAL
 
 class Config(TypedDict):
     axione_ipe_path: str
@@ -50,43 +54,38 @@ def getEligData():
     args = request.args
     valid_args = True
     processed_args = {}
-    for k in ["swx", "swy", "nex", "ney"]:
-        valid_args = valid_args and k in args
-        if valid_args:
-            try:
-                processed_args[k] = float(args[k])
-            except ValueError:
-                valid_args = False
+    try:
+        processed_args = check_coordinates_args(args)
+    except ValueError:
+        valid_args = False
+
     if valid_args:
-        # Need to narrow coordinates for Liazo API call
+        coordinates = check_coordinates_area(processed_args, LIAZO_MAX_AREA)
 
-        # computes center
-        centerx = (processed_args['swx'] + processed_args['nex']) / 2
-        centery = (processed_args['swy'] + processed_args['ney']) / 2
-
-        narrow_x = 0.0022
-        narrow_y = 0.0011
-
-        narrow_coordinates = AreaCoordinates(
-            swx=centerx - narrow_x,
-            swy=centery - narrow_y,
-            nex=centerx + narrow_x,
-            ney=centery + narrow_y,
-        )
         buildings = dict()
         try:
-            buildings = arcep.getAreaBuildings(narrow_coordinates, buildings)
-            buildings = axione.getAreaBuildings(narrow_coordinates, buildings)
+            buildings = arcep.getAreaBuildings(coordinates, buildings)
+            buildings = axione.getAreaBuildings(coordinates, buildings)
         except ValueError as err:
             print("Could not get Axione data for this area:", err)
 
-        buildings = liazo.getAreaBuildings(narrow_coordinates, buildings)
-        sorted_buildings = sorted(buildings.values(), key=lambda d: d.get('etat_imm_priority', 1), reverse=True)
+        buildings = liazo.getAreaBuildings(coordinates, buildings)
 
-        return {"buildings": list(sorted_buildings)}
+        return {"buildings": list(buildings.values())}
     else:
         return "Invalid bounding box coordinates", 400
 
+
+@app.route("/eligdata/bounds", methods=["GET"])
+def getEligDataBounds():
+    args = request.args
+    try:
+        processed_args = check_coordinates_args(args)
+        return {"bounds": check_coordinates_area(processed_args, LIAZO_MAX_AREA)}
+    except ValueError:
+        return "Invalid bounding box coordinates", 400
+
+
 @app.route("/eligtest/ftth", methods=["GET"])
 def testFtth():
     args = request.args
diff --git a/webapp/static/style.css b/webapp/static/style.css
index 43ce804..05f7054 100644
--- a/webapp/static/style.css
+++ b/webapp/static/style.css
@@ -15,8 +15,8 @@ body {
 }
 
 #btn-load-elig-data {
-    top: 4em;
-    right: 0;
+    top: 10em;
+    left: 1em;
     position: fixed;
     z-index: 1;
     padding: .5em;
@@ -37,4 +37,24 @@ body {
 .nonDeployee {
   display: inline;
   color: brown;
+}
+
+.loader {
+    width: 48px;
+    height: 48px;
+    border: 5px solid #1787c2;
+    border-bottom-color: transparent;
+    border-radius: 50%;
+    display: inline-block;
+    box-sizing: border-box;
+    animation: rotation 1s linear infinite;
+    }
+
+    @keyframes rotation {
+    0% {
+        transform: rotate(0deg);
+    }
+    100% {
+        transform: rotate(360deg);
+    }
 }
\ No newline at end of file
diff --git a/webapp/templates/app.js b/webapp/templates/app.js
index 568ddbc..51296e5 100644
--- a/webapp/templates/app.js
+++ b/webapp/templates/app.js
@@ -1,4 +1,4 @@
-const minZoomForRequest = 17;
+const minZoomForRequest = 16;
 const urlADSL = 'https://tools.aquilenet.fr/cgi-bin/recherchend.cgi'
 const urlTestFTTH = 'https://tools.aquilenet.fr/cgi-bin/test.cgi'
 
@@ -71,7 +71,30 @@ streetTypeConversion.set("zone d'aménagement différé", "zad")
 streetTypeConversion.set("zone industrielle", "zi")
 streetTypeConversion.set("zone", "zone")
 
-let markers = [];
+let markers = new Map();
+
+// Default search bounds
+DEFAULT_MAX_LNG_INTERVAL = 0.0028
+DEFAULT_MAX_LAT_INTERVAL = 0.0014
+// Search bounds from server
+server_max_lng_interval = undefined
+server_max_lat_interval = undefined
+
+function getRectangleCoord(map) {
+  max_lng_interval = DEFAULT_MAX_LNG_INTERVAL
+  max_lat_interval = DEFAULT_MAX_LAT_INTERVAL
+  if (server_max_lat_interval !== undefined && server_max_lng_interval !== undefined) {
+    max_lng_interval = server_max_lng_interval
+    max_lat_interval = server_max_lat_interval
+  }
+
+  let center = map.getCenter();
+  let corner1 = L.latLng(center.lat - (max_lat_interval / 2), center.lng - (max_lng_interval / 2));
+  let corner2 = L.latLng(center.lat + (max_lat_interval / 2), center.lng + (max_lng_interval / 2));
+
+  return [corner1, corner2]
+
+}
 
 function initMap(btn) {
   // Init map position/zoom. Potentially using what's in the URL search string.
@@ -91,7 +114,8 @@ function initMap(btn) {
     attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
   }).addTo(map);
 
-  map.on("zoom", () => {
+  map.on("zoom move", () => {
+
     /* We only want to enable the search button when we reached a sufficient zoom level */
     if (btn.disabled && map.getZoom() >= minZoomForRequest) {
       displayBtn(btn);
@@ -100,9 +124,52 @@ function initMap(btn) {
       hideBtn(btn);
     }
   });
+  map.on("zoomend moveend", () => {
+    if (map.getZoom() >= minZoomForRequest) {
+      fetchEligData(map);
+    }
+  });
+
   return map;
 }
 
+async function initLimitsBox(map, btn) {
+
+  // Create box to show where data is fetched
+  const box = createRectangleBox(map);
+  await getServerBoxBounds(map, box);
+  box.addTo(map);
+
+  map.on("zoom move", () => {
+    box.setBounds(getRectangleCoord(map))
+  })
+
+  btn.addEventListener("click", () => {
+    getServerBoxBounds(map, box)
+  });
+
+}
+
+function createRectangleBox(map) {
+  return L.rectangle(getRectangleCoord(map), {color: "#ff7800", fillOpacity: 0.07, weight: 1});
+}
+
+// Ask server the narrowed area bounds that it will search in
+async function getServerBoxBounds(map, box) {
+  const bounds = map.getBounds();
+  const sw = bounds.getSouthWest();
+  const ne = bounds.getNorthEast();
+  const reqUri = encodeURI(`eligdata/bounds?swx=${sw.lng}&swy=${sw.lat}&nex=${ne.lng}&ney=${ne.lat}`);
+  const resp = await fetch(reqUri);
+  if (resp.status != 200) {
+    return
+  }
+  const data = await resp.json();
+  server_max_lat_interval = data.bounds.ney - data.bounds.swy
+  server_max_lng_interval = data.bounds.nex - data.bounds.swx
+  box.setBounds(getRectangleCoord(map))
+}
+
 function initAddrSearch(map) {
   const autocompleteOptions = {
     debounceTime: 300,
@@ -138,84 +205,84 @@ function initAddrSearch(map) {
 }
 
 function updateEligData(map, eligData) {
-  if (markers) {
-    markers.map(marker => map.removeLayer(marker));
-  }
   let buildings = eligData.buildings;
-  markers = buildings.forEach(building => {
-    const latlng = new L.latLng(building.y, building.x);
-    let addrImm = `${building.numVoieImm} ${building.typeVoieImm} ${building.nomVoieImm}`
-    if (building.bat_info != "") {
-      addrImm += ` (Bat ${building.bat_info})`
-    }
-    let colorMarker = 'black'
-    let messageElig = ``
-    eligTestApi = `eligtest/ftth?idImm=${building.idImm}&codePostal=${building.codePostal}&axione=${building.aquilenetEligStatus.isEligible}&liazo=${building.fdnEligStatus.isEligible}`
-    // éligible chez Aquilenet, lien pour le test
-    if (building.aquilenetEligStatus.isEligible) {
+  buildings.forEach(building => {
+    if (! markers.has(building.idImm)) {
+      const latlng = new L.latLng(building.y, building.x);
+      let addrImm = `${building.numVoieImm} ${building.typeVoieImm} ${building.nomVoieImm}`
+      if (building.bat_info != "") {
+        addrImm += ` (Bat ${building.bat_info})`
+      }
+      let colorMarker = 'black'
+      let messageElig = ``
+      eligTestApi = `eligtest/ftth?idImm=${building.idImm}&codePostal=${building.codePostal}&axione=${building.aquilenetEligStatus.isEligible}&liazo=${building.fdnEligStatus.isEligible}`
+      // éligible chez Aquilenet, lien pour le test
+      if (building.aquilenetEligStatus.isEligible) {
 
-        // Si fibre Axione déployé mais pas encore commandable
-        if (building.aquilenetEligStatus.ftthStatus == "DEPLOYE MAIS NON COMMANDABLE") {
-          colorMarker = 'orange'
-          messageElig = `<p class=deployeeAquilenet>Fibre deployée mais ne sera commandable qu\'à partir du ${building.aquilenetEligStatus.dateCommandable}</p>`
-        } else {
-          messageElig = `<p class=deployeeAquilenet>Fibre deployée et disponible par Aquilenet !</p>`
-          const zip = encodeURIComponent(building.codePostal);
-          const idImm = encodeURIComponent(building.idImm);
-          messageElig += `<br/><a href=${urlTestFTTH}?ftth=1&axione=1&adsltel=NOUVEAU&cp=${zip}&refimmeuble=${idImm}` +
-            `>Tester l'éligibilité</a>`
-          colorMarker = 'green'
-      }
+          // Si fibre Axione déployé mais pas encore commandable
+          if (building.aquilenetEligStatus.ftthStatus == "DEPLOYE MAIS NON COMMANDABLE") {
+            colorMarker = 'orange'
+            messageElig = `<p class=deployeeAquilenet>Fibre deployée mais ne sera commandable qu\'à partir du ${building.aquilenetEligStatus.dateCommandable}</p>`
+          } else {
+            messageElig = `<p class=deployeeAquilenet>Fibre deployée et disponible par Aquilenet !</p>`
+            const zip = encodeURIComponent(building.codePostal);
+            const idImm = encodeURIComponent(building.idImm);
+            messageElig += `<br/><a href=${urlTestFTTH}?ftth=1&axione=1&adsltel=NOUVEAU&cp=${zip}&refimmeuble=${idImm}` +
+              `>Tester l'éligibilité</a>`
+            colorMarker = 'green'
+        }
 
-      // pas de données Axione mais Kosc nous renvoie qque chose à cette adresse (fdnEligStatus)
-      // c'est peut être OK, on croise avec les données ARCEP (othersEligStatus)
-      // Enfin on affiche un lien vers le test d'éligibilté KOSC à cette adresse
-    } else if (building.fdnEligStatus.isEligible && building.othersEligStatus.isEligible) {
-      messageElig = `<p class=deployeeFDN>Fibre deployee mais pas chez Axione !`
-      messageElig += `<br/><a href=${eligTestApi}>Tester l'eligibilite par Kosc et Bouygues</a></p>`
-      colorMarker = 'orange'
-      // Pas de données Kosc ou Axione mais l'ARCEP nous dit qu'une fibre est déployée à cette adresse
-    } else if (building.othersEligStatus.isEligible) {
-      messageElig = `<p class=deployeeAutres>Fibre deployee mais non eligible Aquilenet, desole :(</p>`
-      colorMarker = 'red'
-      // Pas de fibre il semblerait, proposer un test ADSL Aquilenet
-    } else {
-      messageElig = `<p class=nonDeployee>Fibre non deployee :(</p>`
-      const zip = encodeURIComponent(building.codePostal);
-      const comm = encodeURIComponent(building.commune);
-      let convertType = streetTypeConversion.get(building.typeVoieImm.toLowerCase());
-      if (!convertType) {
-        convertType = building.typeVoieImm;
+        // pas de données Axione mais Kosc nous renvoie qque chose à cette adresse (fdnEligStatus)
+        // c'est peut être OK, on croise avec les données ARCEP (othersEligStatus)
+        // Enfin on affiche un lien vers le test d'éligibilté KOSC à cette adresse
+      } else if (building.fdnEligStatus.isEligible && building.othersEligStatus.isEligible) {
+        messageElig = `<p class=deployeeFDN>Fibre deployee mais pas chez Axione !`
+        messageElig += `<br/><a href=${eligTestApi}>Tester l'eligibilite par Kosc et Bouygues</a></p>`
+        colorMarker = 'orange'
+        // Pas de données Kosc ou Axione mais l'ARCEP nous dit qu'une fibre est déployée à cette adresse
+      } else if (building.othersEligStatus.isEligible) {
+        messageElig = `<p class=deployeeAutres>Fibre deployee mais non eligible Aquilenet, desole :(</p>`
+        colorMarker = 'red'
+        // Pas de fibre il semblerait, proposer un test ADSL Aquilenet
+      } else {
+        messageElig = `<p class=nonDeployee>Fibre non deployee :(</p>`
+        const zip = encodeURIComponent(building.codePostal);
+        const comm = encodeURIComponent(building.commune);
+        let convertType = streetTypeConversion.get(building.typeVoieImm.toLowerCase());
+        if (!convertType) {
+          convertType = building.typeVoieImm;
+        }
+        const street = encodeURIComponent(`${convertType} ${building.nomVoieImm}`)
+        const street_nb = encodeURIComponent(building.numVoieImm)
+        messageElig += `<br/><a href=${urlADSL}?zip=${zip}&city=${comm}&street=${street}&street_nb=${street_nb}&gps=&do=1&submit=Valider` +
+          `>Tester ADSL a cette adresse</a>`
+        if (building.othersEligStatus.reasonNotEligible != "") {
+          messageElig += `<br/><br/>Status general ARCEP: ${building.othersEligStatus.reasonNotEligible}`
+        }
       }
-      const street = encodeURIComponent(`${convertType} ${building.nomVoieImm}`)
-      const street_nb = encodeURIComponent(building.numVoieImm)
-      messageElig += `<br/><a href=${urlADSL}?zip=${zip}&city=${comm}&street=${street}&street_nb=${street_nb}&gps=&do=1&submit=Valider` +
-        `>Tester ADSL a cette adresse</a>`
-      if (building.othersEligStatus.reasonNotEligible != "") {
-        messageElig += `<br/><br/>Status general ARCEP: ${building.othersEligStatus.reasonNotEligible}`
+      // Si pas d'éligibilité fibre, on affiche la raison si elle existe
+      if (building.aquilenetEligStatus.reasonNotEligible != "") {
+        messageElig += `<br/> Pour Aquilenet, raison non eligible: ${building.aquilenetEligStatus.reasonNotEligible}`
       }
+      var markerIcon = new L.Icon({
+        iconUrl: `static/icons/marker-icon-${colorMarker}.png`,
+        shadowUrl: 'static/vendor/images/marker-shadow.png',
+        iconSize: [25, 41],
+        iconAnchor: [12, 41],
+        popupAnchor: [1, -34],
+        shadowSize: [41, 41]
+      });
+      const marker = new L.marker(latlng, {
+          icon: markerIcon,
+          zIndexOffset: - building.etat_imm_priority
+        })
+        .bindPopup(`${addrImm}<br/>${building.codePostal} ${building.commune}` +
+          `<br/><br/>${messageElig}<br/><br/>Ref Immeuble: ${building.idImm}`, {
+            maxWidth: 560
+          });
+      map.addLayer(marker);
+      markers.set(building.idImm, marker)
     }
-    // Si pas d'éligibilité fibre, on affiche la raison si elle existe
-    if (building.aquilenetEligStatus.reasonNotEligible != "") {
-      messageElig += `<br/> Pour Aquilenet, raison non eligible: ${building.aquilenetEligStatus.reasonNotEligible}`
-    }
-    var markerIcon = new L.Icon({
-      iconUrl: `static/icons/marker-icon-${colorMarker}.png`,
-      shadowUrl: 'static/vendor/images/marker-shadow.png',
-      iconSize: [25, 41],
-      iconAnchor: [12, 41],
-      popupAnchor: [1, -34],
-      shadowSize: [41, 41]
-    });
-    const marker = new L.marker(latlng, {
-        icon: markerIcon
-      })
-      .bindPopup(`${addrImm}<br/>${building.codePostal} ${building.commune}` +
-        `<br/><br/>${messageElig}<br/><br/>Ref Immeuble: ${building.idImm}`, {
-          maxWidth: 560
-        });
-    map.addLayer(marker);
-    return marker
   });
 }
 
@@ -230,12 +297,17 @@ async function fetchEligData(map) {
     const bounds = map.getBounds();
     const sw = bounds.getSouthWest();
     const ne = bounds.getNorthEast();
-    const btn = document.getElementById("btn-load-elig-data");
+    let btn = document.getElementById("btn-load-elig-data");
     waitBtn(btn);
     const reqUri = encodeURI(`eligdata?swx=${sw.lng}&swy=${sw.lat}&nex=${ne.lng}&ney=${ne.lat}`);
-    const source = await fetch(reqUri);
-    const eligData = await source.json();
-    updateEligData(map, eligData);
+    const resp = await fetch(reqUri);
+    if (resp.status == 200) {
+      const eligData = await resp.json();
+      updateEligData(map, eligData);
+    } else {
+      error = await resp.text()
+      console.log(`Error could not get data from server: ${resp.status} ${error}`)
+    }
     updateUrl(map);
     displayBtn(btn);
   }
@@ -244,27 +316,50 @@ async function fetchEligData(map) {
 function initBtn() {
   const btn = document.getElementById("btn-load-elig-data");
   btn.disabled = true;
-  btn.title = "Veuillez zoomer plus la carte avant de lancer une recherche d'éligibilité.";
-  btn.onclick = () => fetchEligData(map);
+  btn.title = "Veuillez zoomer plus la carte pour charger l'éligibilité.";
   return btn;
 }
 
+function setBtnListener(btn, map) {
+  btn.onclick = () => {
+    // Reset markers when button is clicked
+    if (markers) {
+
+      for (let marker of markers.values()){
+        map.removeLayer(marker);
+      }
+      markers.clear();
+    }
+    fetchEligData(map);
+  }
+
+}
+
 function displayBtn(btn) {
+  btn.classList.remove('loader');
   btn.disabled = false;
-  btn.title = "Rechercher les données d'éligibilité pour cette zone."
+  btn.title = "Actualiser la recherche dans cette zone"
+  btn.innerHTML = "Actualiser";
 }
 
 function hideBtn(btn) {
   btn.disabled = true;
-  btn.title = "Veuillez zoomer plus la carte avant de lancer une recherche d'éligibilité.";
+  btn.innerHTML = "Zoomez sur la carte";
+  btn.title = "Veuillez zoomer plus la carte afin de lancer la recherche d'éligibilité.";
 }
 
 function waitBtn(btn) {
   btn.disabled = true;
+  btn.innerHTML = "";
   btn.title = "Chargement des batiments...";
+  btn.classList.add('loader');
 }
 
-
+// Init button and map
 const btn = initBtn();
 const map = initMap(btn);
-const addrSearch = initAddrSearch(map);
\ No newline at end of file
+const addrSearch = initAddrSearch(map);
+setBtnListener(btn, map);
+
+// Init a limits box that shows area where data will be fetched
+initLimitsBox(map, btn);
diff --git a/webapp/templates/map.html b/webapp/templates/map.html
index 61116a2..4282d3b 100644
--- a/webapp/templates/map.html
+++ b/webapp/templates/map.html
@@ -18,14 +18,13 @@
 </head>
 
 <body>
+  <button id="btn-load-elig-data" type="button" disabled>Zoomez sur la carte</button>
   <div class="autocomplete" id="search-addr-autocomplete">
     <input id="search-addr-autocomplete-input" class="autocomplete-input"
            spellcheck="false" autocorrect="off"t e autocomplete="off"
            autocapitalize="off" placeholder="Votre Adresse"/>
     <ul class="autocomplete-result-list"/>
   </div>
-  <button id="btn-load-elig-data" type="button">Récupérer les données d'éligibilité
-    pour cette zone</button>
   <div id="map"/>
   <script>
     document.addEventListener("DOMContentLoaded", function(event) {