115, Northumberland Crescent, TW14 9SPThe proposal comprises the erection of a single-storey rear extension projecting 6.0 metres beyond the original rear wall of the existing dwellinghouse. The extension will provide an enlarged open-plan kitchen, dining and family area with associated internal alterations. The extension will be constructed using materials to closely match the existing dwelling and will remain ancillary to the resideHounslow PA/2026/2881 · Prior Approval
12, Letchworth Avenue, TW14 9RYErection of a single-storey rear extension (6m) with pitched roof, and installation of a flue associated with a wood-burning stove.Hounslow PA/2026/2704 · Prior Approval
Sept 2026 450 m away
Application Received
12, Letchworth Avenue, TW14 9RYErection of a single-storey rear extension with pitched roof and installation of flue associated with a wood-burning stove.Hounslow P/2026/2619 · Householder
Sept 2026 450 m away
Application Received
51A, Imperial RoadErection of a part first floor rear extension to the house.Hounslow P/2026/2538 · All Other
Sept 2026 500 m away
Approved
2, Letchworth Avenue, TW14 9RYCertificate of Lawfulness for the proposed hip to gable roof conversion, installation of two front roof windows, and erection of a rear roof extension to the existing house.Hounslow P/2026/2459 · All Other
Spotted when a home's energy certificate shows at least 15 m² (and 15%) more floor area than an earlier one. Only homes with two certificates show up, so the real number is higher. A busy street suggests extensions get permission here; check the council's planning register for the details.
Storm overflows within 2 km
No monitored sewer storm overflows within 2 km (England only).
Slough Multifuel Extension ProjectGenerating Stations · Land at 342 Edinburgh Avenue, Slough Trading Estate, Slough, Berkshire, SL1 4TU.
decided Nov 2023 15.8 km away
Pre-application
SDC M40 CampusGenerating Stations · The site of the project is located in Buckinghamshire, England. It is approximately 2km to the west of Gerrards Cross, approximately 2.5km east of Beaconsfield and approximately 1.5km north of Hedgerley. The site comprises land immediately to the south of the A40 Oxford Road and immediately to the north of the M40 motorway. It has a history of landfill activities and is currently operated by Veolia for the landfilling of inert building waste (albeit the site no longer accepts any forms of waste).
Transport schemes within 20 km
Transport
HS2: Old Oak Common stationUnder construction (HS2 and Elizabeth line interchange)
Land East of 535 Staines Road, East Bedfont, TW14 8BP (full planning permission)
Apr 2023 400 m away
Planning permission
Permission for 10 homesLand rear of 40 - 48 Fern Grove, Feltham TW14 9AY (full planning permission)
Dec 2022 1.4 km away
Planning permission
Permission for 9 homesSparrow Farm Drive - Hounslow ‘5000 Pledge’, GARAGES TO THE REAR OF , 6-17, SPARROW FARM DRIVE (full planning permission)
Mar 2022 2.0 km away
Planning permission
Permission for 7 homesSpinney Drive - Hounslow '5000 Pledge', GARAGES TO THE REAR OF, 30-42, SPINNEY DRIVE (full planning permission)
Mar 2022 1.1 km away
Planning permission
Permission for 9 homesGARAGES REAR OF, 27, Becketts Close (full planning permission)
Mar 2022 1.4 km away
Planning permission
Permission for 42 homesThe demolition and redevelopment of 57-66, 67-73 and garages within Rose Gardens, ROSE GARDENS ESTATE, Rose Gardens (full planning permission)
Permission for 43 homesFern Grove (full planning permission)
Feb 2021 1.3 km away
Planning permission
Permission for 176 homesNew Road Triangle (full planning permission)
Jan 2021 1.4 km away
New-home postcodes with fewer than 5 homes are counted above but not listed. 18 postcodes nearby had new homes completed in the last two years.
Approved
24, Kingston Avenue, TW14 9SLGround floor rear extension 6.00 metres deep, maximum height 3.00 metres, 3.00 metres high to the eaves.Hounslow PA/2026/2461 · Prior Approval
Aug 2026 350 m away
Application Received
328, Bedfont Lane, TW14 9NUErection of a rear roof extension with hip to gable conversion and front rooflight.Hounslow P/2026/2413 · Householder
Aug 2026 450 m away
Approved
2, Letchworth Avenue, TW14 9RYGround floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.85 metres high to the eavesHounslow PA/2026/2393 · Prior Approval
Aug 2026 450 m away
Approved
14, Letchworth Avenue, TW14 9RYGround floor rear extension 6.00 metres deep, maximum height of 2.98 metres, 2.90 metres high to the eavesHounslow PA/2026/2329 · Prior Approval
Aug 2026 450 m away
Approved
330, Bedfont Lane, TW14 9SAErection of a single storey detached outbuilding.Hounslow P/2026/2171 · Householder
Jul 2026 400 m away
Approved
3, Welwyn Avenue, TW14 9SJErection of a single storey side and part rear extension.Hounslow P/2026/1815 · Householder
Jul 2026 200 m away
Refused
115, Northumberland Crescent, TW14 9SPGround floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.70 metres high to the eaves.Hounslow PA/2026/2028 · Prior Approval
Jul 2026 300 m away
Approved
115, Northumberland Crescent, TW14 9SPCertificate of lawfulness for the proposed erection of a rear roof extension and windows to the front of the house.Hounslow P/2026/2027 · All Other
Jul 2026 300 m away
Refused
96, New Road, TW14 8HTGround floor rear extension 6.00 metres deep, maximum height 3.10 metres, 3.00 metres high to the eaves.Hounslow PA/2026/1967 · Prior Approval
Jul 2026 450 m away
Application Received
487, Staines Road, TW14 8BNErection of a part rear and side extension on the ground floor. Erection of a two storey rear extension on the first floor and second floor. Erection of two rear roof dormers and one front roof dormer comprising of three self contained flats with associated cycle and refuse storage.Hounslow P/2026/1886 · All Other · 6 homes proposed
Jun 2026 200 m away
Refused
346, Staines Road, TW14 8DAFormation of vehicular access to the front of the property.Hounslow P/2026/1731 · Householder
Jun 2026 150 m away
Approved
328, Bedfont Lane, TW14 9NUCertificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion.Hounslow P/2026/1537 · All Other
May 2026 450 m away
Approved
71, Imperial Road, TW14 8AECertificate of Lawfulness for existing use of a part of an outbuilding as a self-contained residential unitHounslow P/2026/1418 · All Other
May 2026 400 m away
Approved
17, Welwyn Avenue, TW14 9SJConversion of the existing garage into a habitable room and erection of a front porch extension to the house.Hounslow P/2026/1226 · Householder
Apr 2026 200 m away
Refused
1, Cassiobury Avenue, TW14 9JERetention of bathroom facilities in the existing outbuilding.Hounslow P/2026/1273 · Householder
Apr 2026 350 m away
Approved
6, Northumberland Crescent, TW14 9SZDetails of 8B (Evidence of Sustainable Materials) submitted pursuant to planning permission P/2024/0980 dated 02/10/2024 for Erection of a two storey house with the formation of a vehicular access and a subdivided garden incorporating a single storey rear extension to the existing house following the demolition of the existing rear extensionHounslow P/2026/0555 · All Other
Apr 2026 50 m away
Refused
45, Colonial Road, TW14 8AARetrospective planning permission for the construction of a roof extension, including alterations to the existing roof form, to provide additional residential accommodation.Hounslow P/2026/0296 · Householder
Apr 2026 400 m away
Approved
2, Letchworth Avenue, TW14 9RY✔ Lawful Development Certificate for a Proposed UseHounslow P/2026/0911 · All Other
Mar 2026 450 m away
Approved
298, The Cobblers, Staines Road, TW14 9HDSingle storey rear extension and new carport with rear gated access.Hounslow P/2026/0949 · Householder
Mar 2026 200 m away
Source: Planning London Datahub (Greater London Authority and the London boroughs); applications validated since January 2023. Data is published as received and may contain errors; check the borough's planning portal for documents.
Rooftop solar
Heathrow Gateway - Solar PanelsApproved, not yet built · 240 kW
Nov 2023 3.1 km away
Battery storage
Heathrow Flightpath Car Park, Bath Road - Battery Energy Storage SystemApproved, not yet built
Jun 2025 3.4 km away
Running nearest: Heathrow Airport Biomass CHP (biomass, 2.3 km); Western International Market (rooftop solar, 4.7 km); Western International Market (WIM) Site (battery storage, 4.7 km); Southall Lane Waste Depot (battery storage, 4.7 km); Charlton Lane Eco Park (Waste AD) (anaerobic digestion, 5.7 km).
DESNZ Renewable Energy Planning Database, April to June 2026 (OGL). Projects of 150 kW and over; refused, withdrawn and abandoned ones are left out.
Major, planned
Hatton Road, FelthamUtility asset works · CADENT GAS LIMITED · Multi-way signals
Nov 2026 to Dec 2026 900 m away
Major, planned
Myrtle Avenue, FelthamUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Nov 2026 to Nov 2026 900 m away
Major
Myrtle Avenue, FelthamUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Nov 2026 to Dec 2026 900 m away
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.
Planning Inspectorate list of nationally significant infrastructure projects (roads, railways, energy, water, waste), October 2026 (OGL). Each is placed at one point, usually the middle of the site; long schemes run well beyond it.