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).
36 planned, approved or being built and 22 running (256 MW between them). Those within 5 km are on the map above.
Rooftop solar
Arkwright Road, Groundwell Industrial Estate - Solar PanelsBeing built · 910 kW
Dec 2022 1.4 km away
Rooftop solar
Parsonage Road, Stratton St Margaret - Solar PanelsApproved, not yet built · 520 kW
Jul 2022 1.5 km away
Rooftop solar
Brittannia Trade Park, Radway Road - Solar PanelsApproved, not yet built · 160 kW
Feb 2026 1.5 km away
Rooftop solar
Alpha Building Europa Park, Stratton St Margaret - Solar panelsApproved, not yet built
Jul 2022 1.6 km away
Rooftop solar
David Lloyd, Latham Road, Abbey Meads - Solar PanelsApproved, not yet built
Jul 2023 2.0 km away
Rooftop solar
Orbital Shopping Park, North Swindon District Centre - Solar panelsApproved, not yet built · 2 MW
Mar 2024 2.4 km away
Rooftop solar
Newcome Drive - Solar PanelsApproved, not yet built
Jun 2022 2.4 km away
Rooftop solar
Big Yellow Self Storage, Drakes Way - Solar PanelsApproved, not yet built · 160 kW
Oct 2023 2.6 km away
Battery storage
Catsbrain Farm - Battery StorageApproved, not yet built · 30 MW
Oct 2023 2.7 km away
Battery storage
Brindley Close (Extension)Being built · 6 MW
May 2022 2.8 km away
Road and street works within 1 km
12 permitted works running now or planned, 3 of them major.
Major, planned
Chestnut Avenue, SwindonUtility repair and maintenance works · THAMES WATER · Multi-way signals
Oct 2026 to Oct 2026 350 m away
Major
Chestnut Avenue, SwindonUtility repair and maintenance works · THAMES WATER · Multi-way signals
Oct 2026 to Oct 2026 350 m away
Major
Allington Road, SwindonOptional permit (no fee) e.g. for traffic management etc · SWINDON BOROUGH COUNCIL · Road closure
Oct 2026 to Oct 2026 1000 m away
Standard
Sn368 Footpath, SwindonUtility repair and maintenance works · WALES AND WEST UTILITIES LTD · No carriageway incursion
Oct 2026 to Oct 2026 600 m away
Standard
Cricklade Road, SwindonUtility asset works · Grain Communications Limited (formerly Solway Communications Limited) · Give and take
Oct 2026 to Nov 2026 950 m away
Minor
Pinehurst Road, SwindonUtility asset works · THAMES WATER · Some carriageway incursion
Oct 2026 to Oct 2026 200 m away
Minor
Sn219 Footpath, SwindonUtility asset works · THAMES WATER · Some carriageway incursion
Oct 2026 to Oct 2026 250 m away
Minor
Cricklade Road, SwindonUtility asset works · THAMES WATER · Some carriageway incursion
Oct 2026 to Oct 2026 300 m away
Minor
Beech Avenue, SwindonUtility asset works · THAMES WATER · Some carriageway incursion
Oct 2026 to Oct 2026 650 m away
Major infrastructure projects within 30 km
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.
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 Penhill: +31% over five years (2020 → 2025).
Council tax list: 0 homes added in the neighbourhood since April 2024.
Population (GP registrations): +2.2% in two years.
Keypoint Industrial EstateApproved, not yet built · 15 MW
Jun 2019 3.2 km away
Rooftop solar
Honda Motor Europe Logistics NV, Viscount Way - Solar PanelsApproved, not yet built · 400 kW
Aug 2024 3.5 km away
Running nearest: Barnfield Solar Park (solar farm, 2.7 km); Swindon Sewerage Treatment Works (anaerobic digestion, 2.9 km); B&Q Swindon DC (rooftop solar, 2.9 km); B and Q Distribution Centre Highworth Road (battery storage, 2.9 km); Land at Beech Farm (solar farm, 3.6 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.
Minor
Whitworth Road, SwindonUtility asset works · THAMES WATER · No carriageway incursion
Feb 2027 to Feb 2027 950 m away
Minor
Spruce Court, SwindonUtility asset works · THAMES WATER · Give and take
Oct 2026 to Oct 2026 950 m away
Minor
Wheeler Avenue, SwindonUtility asset works · THAMES WATER · No carriageway incursion
Dec 2026 to Dec 2026 950 m away
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.