France Building Roofs · Size by City

List French buildings whose roof plan is larger than X m². You get a house number only when it sits on the same cadastral parcel — plus length × width, height when IGN publishes Z, and optional company flags.

No login. No API key. Address only when it sits on the same parcel.

Looking for building height / facades? Use France Building Heights · Facades by City.
Looking for pools or tennis courts instead? Use France Pools & Tennis · Cadastre Plots.

Who is this for?

You are…	Typical goal	Suggested setup
Roofer / solar / insulation	Large roofs in a city	City + min m², verified only
Agency / off-market	Big footprints, not amenities	150–200 m², companies off
SCI / wealth workflow	Holdings at the street number	Company lookup on

What you get by default: BD TOPO building id, roof plan m², length × width, parcel IDU, verified BAN address, height when Z exists.

When to enable company lookup: you need SIREN / SCI / SAS / association and published directors at that number. Individual owners are not in open data.

What it extracts

One row per building (IGN cleabs) whose 2D roof outline is ≥ your threshold. Several large buildings on the same parcel stay several rows.

Field	Meaning
roofPlanM2	2D outline of that building (m²)
roofLengthM / roofWidthM	Long / short side of the outline, metres
buildingHeightM, roofRiseM, roofAreaM2	Height and gable 3D m² when BD TOPO has altitudes — not LiDAR
address + addressStatus	verified only if the house-number point is inside the parcel
parcelIdu, parcelAreaM2	Cadastre lot under the building
siren, companyLegalForm, directors	Optional, verified addresses only
mapsStatus	off, ok, or skipped_quota

How to use

1. Open the Actor in Apify Console.
2. Enter a city (try Cannes), keep min roof at 150 m² and max rows at 25.
3. Click Start.
4. Download CSV / Excel from the dataset.

Ready-made examples

Example	Best for
Cannes roofs ≥ 150 m²	First run, solar / roofing
Bordeaux roofs ≥ 200 m²	Larger footprints
Antibes 06400 roofs ≥ 120 m²	Postcode territory
Cannes large roofs with SIREN	SCI / directors at the number

Paste a verified address into French Property Intel for DPE, flood/clay, value and yield — billed per dossier, not per cadastral row.

Input

Field	Default
City, postcode or department	Cannes
Minimum roof plan (m²)	150
Unverified house numbers	Drop
Company lookup	off
Maps public-place flag	off
Max rows	25 (0 or null = no cap; Free plan 20 / run)

Output example

{
  "buildingCleabs": "BATIMENT0000000241080159",
  "roofPlanM2": 186,
  "roofLengthM": 18.4,
  "roofWidthM": 10.1,
  "buildingHeightM": 7.5,
  "roofAreaM2": 210,
  "parcelIdu": "06029000CK0027",
  "addressStatus": "verified",
  "address": "68 Avenue du Roi Albert 1er 06400 Cannes",
  "companyLegalForm": null,
  "mapsStatus": "off"
}

Pricing

Pay-per-event (platform usage included — HTTP open data only).

You get	Free / 1,000
Verified large roof	$1.29
Verified large roof + published company	$2.79
Unverified (Flag mode)	$0.39

Actor start is $0.00005 / GB. Free Apify accounts export 20 rows per run.

How much does it cost?

Scenario	Approx. cost (Free)
20 verified roofs (first try)	~$0.03
1,000 verified roofs	~$1.29
1,000 roofs with a SIREN	~$2.79

Limits (read this)

• Start with one city. A whole department paginates tens of thousands of BD TOPO buildings and can hit the run timeout.
• roofPlanM2 is the plan of the outline. roofAreaM2 is a gable estimate from eave/ridge when those altitudes exist — not a LiDAR mesh.
• No particulier owner names. Directors appear only for a published company at that number.
• Maps listing detection is skipped when platform Maps quota is exhausted (mapsStatus: skipped_quota).

Is it legal to list French building roofs?

This Actor only uses public open data (IGN BD TOPO, IGN cadastre / PCI, BAN, optional SIRENE). It does not extract private individual owner names. As with any address-level dataset, make sure your use complies with GDPR and French marketing rules.

Also available

France Building Heights · Facades by City — buildings taller than X metres (facade / scaffolding).
France Garden Plots · Landscapers by City — garden ≥ X m².
France Industrial Buildings · Hangars by City — IGN hangars.
France Pools & Tennis · Cadastre Plots — plots with a mapped pool or tennis/padel court.
French Property Intel — DPE, hazards, yield and owner SIREN from a street address.
French DPE F/G · Property Owner SIRENs — SCI / foncières on class F/G dwellings.

Support

Questions or a custom run: corentin@outreacher.fr