Planning Intelligence France › Montesson › Everything here
Montesson
Showing 1–50 of 248 permits. 6 listed first; 44 not in a subscription on sale are folded below.
The register publishes once a month. Newest entry here: 2026-08-27; the next batch is due within the month.
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Included in the subscriptions on sale: 19 of 248
| What is being built | Decision | Date | Reference |
|---|---|---|---|
| Works on an existing building (conversion without extension) — public or community services (172 m²). Site… | GRANTED | Decided 2025-04-30 | [subscribers only] |
| Works on an existing building (extension without conversion) — public or community services (118 m²). Site… | GRANTED | Decided 2025-03-24 | [subscribers only] |
| New construction — public or community services (128 m²). Site area 414 m² | GRANTED | Decided 2025-03-14 | [subscribers only] |
| New construction — public or community services (3,975 m²), housing (64 m²). Site area 27,826 m² | GRANTED | Decided 2024-11-27 | [subscribers only] |
| Works on an existing building (conversion without extension) — public or community services (77 m²). Site… | GRANTED | Decided 2024-05-13 | [subscribers only] |
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248permits
227granted
Trade
Everything here
Electrical (181 + 67 possible)Concrete & structural (209 + 39 possible)Plumbing & drainage (161 + 84 possible)HVAC & ventilation (173 + 70 possible)Aluminium & glazing (178 + 65 possible)Excavation & demolition (207)Kitchens & joinery (177)Lifts & escalators (1 + 15 possible)Stone & restoration (2)
The map of individual sites is for subscribers
What is included depends on the subscription.
| What is being built | Decision | Date | Reference |
|---|---|---|---|
| Works on an existing building (raising the roof) — public or community services (158 m²), offices (127 m²)… | GRANTED | Decided 2023-12-04 | [subscribers only] |
Not in a subscription on sale: 44 more on this page
| What is being built | Decision | Date | Reference |
|---|---|---|---|
| Works on an existing building (extension without conversion) — 1 dwelling, 141 m² of housing floor area. Site… | GRANTED | Decided 2026-08-27 | [not in any subscription on sale] |
| Works on an existing building — housing (5 m²). Site area 253 m² | GRANTED | Decided 2026-08-27 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — housing (30 m²). Site area 379 m² | GRANTED | Decided 2026-08-15 | [not in any subscription on sale] |
| New construction — 1 dwelling, 61 m² of housing floor area. Site area 485 m² | GRANTED | Decided 2026-07-21 | [not in any subscription on sale] |
| New construction (extension without conversion) — housing (164 m²). Site area 536 m² | GRANTED | Decided 2026-07-21 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — public or community services (101 m²). Site… | GRANTED | Decided 2026-06-27 | [not in any subscription on sale] |
| New construction — 1 dwelling, 142 m² of housing floor area. Site area 336 m² | GRANTED | Decided 2026-06-25 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — retail (16 m²). Site area 16 m² | GRANTED | Decided 2026-06-20 | [not in any subscription on sale] |
| New construction — 1 dwelling, 29 m² of housing floor area. Site area 180 m² | GRANTED | Decided 2026-06-18 | [not in any subscription on sale] |
| New construction — 1 dwelling, 87 m² of housing floor area. Site area 336 m² | GRANTED | Decided 2026-06-16 | [not in any subscription on sale] |
| Works on an existing building — housing (9 m²). Site area 337 m² | GRANTED | Decided 2026-06-07 | [not in any subscription on sale] |
| New construction — 1 dwelling, 61 m² of housing floor area. Site area 383 m² | GRANTED | Decided 2026-06-05 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — 1 dwelling, 23 m² of housing floor area. Site… | GRANTED | Decided 2026-05-28 | [not in any subscription on sale] |
| New construction — 1 dwelling, 153 m² of housing floor area. Site area 398 m² | GRANTED | Decided 2026-05-05 | [not in any subscription on sale] |
| New construction — retail (113 m²). Site area 8,029 m² | GRANTED | Decided 2026-01-20 | [not in any subscription on sale] |
| New construction — 1 dwelling, 215 m² of housing floor area. Site area 320 m² | GRANTED | Decided 2025-12-29 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — offices (37 m²). Site area 1,559 m² | GRANTED | Decided 2025-11-03 | [not in any subscription on sale] |
| New construction — public or community services (40 m²). Site area 14,155 m² | GRANTED | Decided 2025-10-21 | [not in any subscription on sale] |
| New construction — public or community services (95 m²) | GRANTED | Decided 2025-10-21 | [not in any subscription on sale] |
| Works on an existing building — 42 dwellings, 1,697 m² of housing floor area. Site area 1,661 m² | GRANTED | Decided 2025-08-20 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — 2 dwellings, 75 m² of housing floor area. Site… | GRANTED | Decided 2025-08-03 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — public or community services (277 m²). Site… | GRANTED | Decided 2025-07-20 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — retail (56 m²). Site area 626 m² | GRANTED | Decided 2025-05-26 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — offices (360 m²). Site area 454 m² | GRANTED | Decided 2025-03-06 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — 1 dwelling, 58 m² of housing floor area. Site… | GRANTED | Decided 2025-02-25 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — 1 dwelling, 16 m² of housing floor area. Site… | GRANTED | Decided 2024-10-25 | [not in any subscription on sale] |
| New construction — 71 dwellings, 6,636 m² of housing floor area. Site area 24,273 m² | GRANTED | Decided 2024-10-21 | [not in any subscription on sale] |
| New construction — 1 dwelling, 299 m² of housing floor area. Site area 1,099 m² | GRANTED | Decided 2024-09-24 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — 2 dwellings, 278 m² of housing floor area… | WITHDRAWN | Decided 2024-09-19 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — public or community services (110 m²). Site… | GRANTED | Decided 2024-09-13 | [not in any subscription on sale] |
| New construction — 1 dwelling, 97 m² of housing floor area. Site area 178 m² | GRANTED | Decided 2024-09-05 | [not in any subscription on sale] |
| New construction — 1 dwelling, 108 m² of housing floor area. Site area 120 m² | GRANTED | Decided 2024-09-05 | [not in any subscription on sale] |
| New construction — 1 dwelling, 106 m² of housing floor area. Site area 174 m² | WITHDRAWN | Decided 2024-07-18 | [not in any subscription on sale] |
| New construction — 1 dwelling, 115 m² of housing floor area. Site area 291 m² | GRANTED | Decided 2024-07-15 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — 2 dwellings, 233 m² of housing floor area… | GRANTED | Decided 2024-06-21 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — 1 dwelling, 115 m² of housing floor area. Site… | GRANTED | Decided 2024-06-11 | [not in any subscription on sale] |
| New construction — offices (466 m²), retail (306 m²). Site area 544 m² | GRANTED | Decided 2024-06-06 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — public or community services (11 m²). Site… | GRANTED | Decided 2024-05-24 | [not in any subscription on sale] |
| New construction — 1 dwelling, 77 m² of housing floor area. Site area 120 m² | WITHDRAWN | Decided 2024-05-23 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — 37 dwellings, 2,464 m² of housing floor area… | WITHDRAWN | Decided 2024-04-22 | [not in any subscription on sale] |
| Works on an existing building (conversion without extension) — retail (56 m²). Site area 135 m² | GRANTED | Decided 2024-03-15 | [not in any subscription on sale] |
| New construction — 2 dwellings, 54 m² of housing floor area. Site area 690 m² | GRANTED | Decided 2024-02-03 | [not in any subscription on sale] |
| Works on an existing building (extension) — retail (95 m²), housing (12 m²). Site area 509 m² | GRANTED | Decided 2023-10-20 | [not in any subscription on sale] |
| Works on an existing building (extension without conversion) — public or community services (55 m²). Site… | GRANTED | Decided 2023-08-01 | [not in any subscription on sale] |
Later pages are part of a subscription.