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).
20 planned, approved or being built and 5 running (51 MW between them). Those within 5 km are on the map above.
Rooftop solar
Beaconsfield Services, Windsor Road - Solar PanelsApproved, not yet built · 380 kW
Mar 2026 4.0 km away
Rooftop solar
GE Healthcare, Pollards Wood - Solar PanelsApproved, not yet built · 200 kW
Apr 2026 4.5 km away
Solar farm
Salters Lane - Solar PanelsPlanning application in
Jul 2025 4.8 km away
Battery storage
Salters Lane - Solar PanelsPlanning application in
Jul 2025 4.8 km away
Solar farm
Salters Lane - Solar PanelsPlanning application in · 42 MW
Jul 2025 4.8 km away
Rooftop solar
Tims Dairy, Denham Lane - Solar PanelsPlanning application in · 220 kW
May 2026 5.5 km away
Solar farm
Bullsland Farm - Solar ArrayApproved, not yet built · 320 kW
Jan 2022 5.8 km away
Rooftop solar
David Lloyd Leisure Group - Solar PV SystemApproved, not yet built
Aug 2023 5.9 km away
Battery storage
Derehams Farm, Derehams Lane - Battery StoragePlanning application in · 126 MW
Nov 2023 5.9 km away
Battery storage
Mop End Farm, Mop End Lane - Battery Energy StoragePlanning application in · 500 MW
Aug 2025 6.1 km away
Rooftop solar
Road and street works within 1 km
2 permitted works running now or planned, 1 of them major.
Major
Hearnes Meadow, Seer GreenUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Jan 2027 to Feb 2027 550 m away
Standard
Howard Crescent, Seer GreenUtility repair and maintenance works · AFFINITY WATER - C · Give and take
Oct 2026 to Oct 2026 150 m away
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.
Major infrastructure projects within 30 km
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 4.0 km away
Decided
Slough Multifuel Extension ProjectGenerating Stations · Land at 342 Edinburgh Avenue, Slough Trading Estate, Slough, Berkshire, SL1 4TU.
decided Nov 2023 11.0 km away
Pre-application
Heathrow WestAirports · Heathrow Airport and land to the north-west and west of Heathrow Airport
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.