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).
21 planned, approved or being built and 11 running (532 MW between them). Those within 5 km are on the map above.
Rooftop solar
Harwell Science And Innovation Campus -Solar PanelsApproved, not yet built · 590 kW
Dec 2024 2.8 km away
Rooftop solar
Rutherford Appleton LaboratoryApproved, not yet built · 2 MW
Jul 2021 2.9 km away
Rooftop solar
Rebellion Film Studios, Milton Road - Solar PanelsApproved, not yet built · 880 kW
Jan 2023 3.0 km away
Rooftop solar
Hachette UK Distribution Centre, Milton Road - Solar PanelsApproved, not yet built · 870 kW
Nov 2024 3.0 km away
Rooftop solar
Milton Park, Milton - Solar PanelsApproved, not yet built · 300 kW
Mar 2025 3.3 km away
Rooftop solar
Brook Drive, Milton Park - Solar PanelsApproved, not yet built
Jun 2025 3.3 km away
Rooftop solar
Sainsburys Supermarkets, Central Drive - Solar PanelsApproved, not yet built · 380 kW
Mar 2024 4.3 km away
Solar farm
Appleford Sidings, Sutton Courtenay - Solar Photovoltaic ArrayPlanning application in · 24 MW
May 2021 5.1 km away
Battery storage
Appleford Sidings, Sutton Courtenay - Battery StoragePlanning application in
May 2021 5.1 km away
Battery storage
The Sutton Courtenay Waste Management Site, Appleford SidingsApproved, not yet built
Jul 2025 5.2 km away
Road and street works within 1 km
2 permitted works running now or planned, 1 of them major.
Major, planned
Blenheim Hill, DidcotHighway improvement works · OXFORDSHIRE COUNTY COUNCIL · Two-way signals
Oct 2026 to Nov 2026 900 m away
Standard
Didcot Road, DidcotUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · Multi-way signals
Nov 2026 to Nov 2026 1000 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
White Horse Reservoir (previously known as South East Strategic Reservoir Option)Dams and Reservoirs · The site for the proposed new reservoir is south west of Abingdon in Oxfordshire. The site is bounded by the A34 to the east, the Great Western Main Line railway (London to Bristol) to the south, the A338 to the west, and the River Ock to the north.
application due November 2026 6.4 km away
Decision
Botley West Solar FarmGenerating Stations · Land in West Oxfordshire, Cherwell and Vale of White Horse Districts, across approx 1400 hectares
application due by 15 November 2024 24.3 km away
Pre-application
West Oxfordshire Energy ParkGenerating Stations · Located on land south-west of Carterton and to the west of Lechlade, within the administrative areas of West Oxfordshire District Council and Oxfordshire County Council.
application due May 2027 28.0 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.
Transport schemes within 20 km
None on our list yet. We're starting with recently opened and under-construction rail schemes.
The longer view
Like-for-like prices in South Wantage, Harwell & Blewbury: +17% over five years (2020 → 2025).
Council tax list: 270 homes added in the neighbourhood since April 2024.
Population (GP registrations): +3.9% in two years.
Appleford - Battery Energy StorageApproved, not yet built · 300 MW
Aug 2025 5.5 km away
Rooftop solar
Culham Science Centre, Building E4, E5 & E6, Clifton Hampden - Solar PanelsApproved, not yet built · 190 kW
May 2023 8.3 km away
Running nearest: Avon Road Car Park - Solar Photovoltaic Carport System (rooftop solar, 2.9 km); South Car Park - Solar photovoltaic carport system (rooftop solar, 3.0 km); Hill Farm Solar Park (VoWH) (solar farm, 4.2 km); Sutton Courtenay Landfill Scheme (landfill gas, 4.5 km); Sutton Courtney (landfill gas, 5.1 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.