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
3storm overflows within 2 km
203hours of spills in 2025 between them (typical neighbourhood: about 36)
17spill events counted
Thames Water
Mogden Wwtwinto River Thames Tidal17 spills, 203 hours in 2025
2.0 km away
Thames Water
South Ealing Road, W5into River Brent0 spills, 0 hours in 2025
1.9 km away
Thames Water
Kew Transfer Pumping Stationinto Tidal River Thames0 spills, 0 hours in 2025
Permission for 6 homesLayton Court - Hounslow '5000 Pledge', GARAGES TO THE REAR OF, LAYTON COURT, BROOK LANE NORTH (full planning permission)
Jan 2022 1000 m away
Planning permission
Permission for 5 homes66A, Waldeck Road (full planning permission)
Oct 2021 1.7 km away
Planning permission
Permission for 69 homes50, London Road (full planning permission)
May 2021 800 m away
Planning permission
Permission for 105 homesMETROPOLITAN POLICE, HALF ACRE (full planning permission)
Apr 2021 400 m away
Planning permission
Permission for 215 homesMORRISONS, 228-246, High Street (other)
Apr 2021 600 m away
Planning permission
Permission for 193 homes40 and 40A, High Street (full planning permission)
Mar 2021 700 m away
Planning permission
Permission for 5 homesLAND AT ORCHARD ROAD AND, WINDMILL ROAD (full planning permission)
Mar 2021 900 m away
New-home postcodes with fewer than 5 homes are counted above but not listed. 45 postcodes nearby had new homes completed in the last two years.
Monty's Condition 36 Cores A B and D
Hounslow P/2026/2230 · All Other
Jul 2026 300 m away
Approved
2, Caxton Mews, TW8 8BNRetrospective application for the replacement of existing timber sash windows with heritage-style uPVC sash windows.Hounslow P/2026/1841 · Householder
Jul 2026 450 m away
Approved
70, Oakwood House, High StreetDetails of condition 28b (energy statement) for block A submitted pursuant to planning permission 00607/69 76/P12 (P/2022/1142) approved 10/11/2022 for the demolition of the existing building and erection of four blocks ranging from three to eleven storeys to provide 333 residential units and commercial space with associated car and cycle parking, landscaping, amenity space and ancillary developmeHounslow P/2026/1906 · All Other
Jun 2026 350 m away
Approved
70, Oakwood House, High StreetDetails of Condition 9b and 9c (Internal Noise Levels) for Block A submitted pursuant of planning permission 00607/69-76/P12 (P/2022/1142) approved 10/11/2022 for the demolition of the existing building and erection of four blocks ranging from three to eleven storeys to provide 333 residential units and commercial space with associated car and cycle parking, landscaping, amenity space and ancillarHounslow P/2026/1905 · All Other
Jun 2026 350 m away
Refused
Land south of Brentford High Street and Waterside, High Street, TW8 8AEBTC Plot E&F Energy Strategy NMA Condition 2a and 2bHounslow P/2026/1330 · All Other
May 2026 250 m away
Refused
Land south of Brentford High Street and Waterside, High Street, TW8 8AEBTC Energy Strategy Plot H NMA Condition 2a and 2bHounslow P/2026/1332 · All Other
May 2026 250 m away
Approved
Land south of Brentford High Street and Waterside, High Street, TW8 8AEBTC OPP NMA Energy Strategy Condition 52 and 69Hounslow P/2026/1328 · All Other
May 2026 250 m away
Refused
Land south of Brentford High Street and Waterside, High Street, TW8 8AEBTC Energy Strategy NMA Plot J Condition 2a and 2bHounslow P/2026/1331 · All Other
May 2026 250 m away
Refused
Land south of Brentford High Street and Waterside, High Street, TW8 8AEBTC NMA Energy Strategy Plot A Condition 6a and 6bHounslow P/2026/1329 · All Other
May 2026 250 m away
Approved
38, The Butts, TW8 8BLErection of a single-storey rear extension following the demolition of the existing conservatoryHounslow P/2026/1163 · Householder
Apr 2026 450 m away
Approved
Land south of Brentford High Street and Waterside, High Street, TW8 8AEBTC Plot E Condition 41 NoiseHounslow P/2026/1155 · All Other
Apr 2026 300 m away
Approved
69-76, High Street, TW8 0AAMonty's Condition 28 Block BHounslow P/2026/0895 · All Other
Mar 2026 300 m away
Approved
Mso Marine, Dock RoadDemolition of the existing side extension and shed and erection of a two storey side extension, first floor front extension, and replacement shed with two air source heat pumpsHounslow P/2025/3821 · All Other
Mar 2026 200 m away
Approved
Telephone Kiosks Outside 203, High StreetThe installation of 1no. BT Street Hub and removal of associated BT payphones.Hounslow P/2026/0778 · All Other
Mar 2026 400 m away
Approved
Telephone Kiosks Outside 203, High StreetInstallation of one Street Hub and removal of associated payphones.Hounslow P/2026/0861 · All Other
Mar 2026 400 m away
Approved
69-76, High Street, TW8 0AAMonty's Condition 9 b and c - Block BHounslow P/2026/0720 · All Other
Mar 2026 300 m away
Approved
69-76, High Street, TW8 0AAMonty's Condition 28 - Block DHounslow P/2026/0719 · All Other
Mar 2026 300 m away
Approved
129, High Street, TW8 8EWListed building consent for the replacement of the corniceHounslow P/2026/0339 · All Other
Feb 2026 400 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
Alexandra Junior School - Roof Mounted Solar SystemApproved, not yet built · 150 kW
Sept 2021 4.0 km away
Rooftop solar
Kneller Hall SchoolBeing built · 250 kW
Dec 2025 4.3 km away
Running nearest: Mogden STW (other, 3.1 km); Southall Lane Waste Depot (battery storage, 7.2 km); Western International Market (rooftop solar, 7.4 km); Western International Market (WIM) Site (battery storage, 7.4 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.
Highways · The new road tunnel will pass under the River Thames between Silvertown and North Greenwich
Slough Multifuel Extension ProjectGenerating Stations · Land at 342 Edinburgh Avenue, Slough Trading Estate, Slough, Berkshire, SL1 4TU.
decided Nov 2023 22.9 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).
application due January 2027 23.3 km away
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.