Renewable energy projects in Hillingdon
22 solar, wind or battery projects of 150 kW or more are located in Hillingdon (REPD, July 2026 extract): 1 pending, 16 approved but not running, 1 operational and 2 refused. The council refused 1 of 18 decided applications (6%; UK 19%), with a median 8 weeks from submission to decision.
22projects in the council area
1awaiting a decision
16approved, not running
6%of decisions refused
How Hillingdon decides
| Applications | Hillingdon | UK |
|---|---|---|
| Decided applications (solar, wind, battery) | 18 | 10,236 |
| Refused | 1 (6%) | 19% |
| Solar refused | 1 of 17 | 12% |
| Battery storage refused | 0 of 1 | 16% |
| Median time from submission to decision | 7.9 weeks | 17.0 weeks |
| Appeals lodged / allowed | 0 / 0 | — |
Projects in Hillingdon
Projects of 1 MW and more (3)
| Project | Type | MW | Status (REPD) | Submitted | Decision | Record updated |
|---|---|---|---|---|---|---|
| Sipson Roadsolar | solar | 6.2 | refusedupdated Nov 2014 | Jun 2014 | refused Oct 2014 | Nov 2014 |
| Land south of Holloway Lanesolar farm | solar farm | 5 | application withdrawnupdated Jan 2016 | Jul 2015 | — | Jan 2016 |
| David Lloyd Leisure, Ducks Hill Roadrooftop solar | rooftop solar | 1 | refusedupdated Jul 2023 | Jun 2023 | — | Jul 2023 |
Smaller schemes under 1 MW, mostly rooftop solar (19)
| Project | Type | MW | Status (REPD) | Submitted | Decision | Record updated |
|---|---|---|---|---|---|---|
| Reliance Worldwide, buildings, 2A, 2B, 9 & 10 Horton Roadrooftop solar | rooftop solar | 0.6 | approved, not builtupdated May 2023 | Mar 2023 | granted Apr 2023 | May 2023 |
| Reliance Worldwide Corporation, buildings, 3, 4, 5, 7 & 12, Horton Roadrooftop solar | rooftop solar | 0.6 | approved, not builtupdated Apr 2023 | Mar 2023 | granted Apr 2023 | Apr 2023 |
| Skyline Business Park, Great South West Roadrooftop solar | rooftop solar | 0.4 | approved, not builtupdated Jan 2023 | Nov 2022 | granted Jan 2023 | Jan 2023 |
| Pasadena Centre, Pasadena Closerooftop solar | rooftop solar | 0.4 | approved, not built may be out of dateupdated Apr 2023 | Nov 2022 | granted Mar 2023 | Apr 2023 |
| Skyline Business Park, Great South West Roadrooftop solar | rooftop solar | 0.4 | approved, not builtupdated Jan 2023 | Nov 2022 | granted Jan 2023 | Jan 2023 |
| Swallowfield Wayrooftop solar | rooftop solar | 0.4 | approved, not builtupdated Jun 2022 | May 2022 | granted Aug 2022 | Jun 2022 |
| Northwood Health And Racquet Club, Ducks Hill Roadrooftop solar | rooftop solar | 0.3 | application submitted may be out of dateupdated Aug 2023 | Jul 2023 | — | Aug 2023 |
| Hatton Cross Underground Station, Southern Perimeter Road -Solar Panelsrooftop solar | rooftop solar | 0.3 | approved, not builtupdated Feb 2025 | Nov 2024 | granted Jan 2025 | Feb 2025 |
| Skyline Business Park, Great South West Roadrooftop solar | rooftop solar | 0.2 | approved, not builtupdated Jan 2025 | Oct 2024 | granted Dec 2024 | Jan 2025 |
| Hillingdon Sports & Leisure Centrerooftop solar | rooftop solar | 0.2 | approved, not builtupdated Jan 2024 | Oct 2023 | granted Jan 2024 | Jan 2024 |
| Hillingdon Hospital, Pield Heath Roadrooftop solar | rooftop solar | 0.2 | approved, not builtupdated Oct 2025 | Aug 2025 | granted Sep 2025 | Oct 2025 |
| Lombardy Retail Park, J Sainsbury Plcrooftop solar | rooftop solar | 0.2 | approved, not builtupdated Jan 2025 | Nov 2024 | granted Jan 2025 | Jan 2025 |
| Yeading Infant School, Carlyon Road Solar PV Systemsrooftop solar | rooftop solar | 0.1 | application withdrawnupdated Sep 2024 | Jul 2024 | — | Sep 2024 |
| Airport Gate Business Centre, Harmondsworthrooftop solar | rooftop solar | 0.1 | approved, not builtupdated Sep 2025 | Jun 2025 | granted Sep 2025 | Sep 2025 |
| Mount Vernon Hospitalrooftop solar | rooftop solar | — | operationalupdated Jan 2022 | Jul 2021 | granted Nov 2021 | Jan 2022 |
| Hospital Redevelopmentrooftop solar | rooftop solar | — | approved, not built may be out of dateupdated Mar 2026 | Jun 2022 | granted Jan 2023 | Mar 2026 |
| Northwood College, Maxwell Roadrooftop solar | rooftop solar | — | approved, not builtupdated Jun 2023 | May 2023 | granted Jul 2023 | Jun 2023 |
| Micro House, Bury Street Solar Arraysrooftop solar | rooftop solar | — | approved, not builtupdated May 2025 | Mar 2025 | granted Apr 2025 | May 2025 |
| Heathrow Flightpath Car Park, Bath Roadbattery storage | battery storage | — | approved, not builtupdated Jul 2025 | May 2025 | granted Jun 2025 | Jul 2025 |
Postcode districts in Hillingdon
| District | Projects within 10 km | Pending | Approved | Operational |
|---|---|---|---|---|
| HA4 | 47 | 7 | 28 | 4 |
| HA6 | 36 | 7 | 19 | 2 |
| TW6 | 65 | 4 | 46 | 6 |
| UB3 | 65 | 3 | 50 | 3 |
| UB4 | 97 | 4 | 80 | 3 |
| UB7 | 59 | 5 | 42 | 4 |
| UB8 | 56 | 5 | 38 | 4 |
| UB10 | 47 | 5 | 29 | 4 |
| UB11 | 68 | 5 | 50 | 4 |
32% of applications still shown as pending in REPD were submitted more than two years ago, and only 37% of pending records were updated in the last 12 months, so some of them may already have been decided. Projects belong to Hillingdon by location (nearest postcode to the REPD grid reference); decisions are counted by the planning authority named in REPD.