Powered land · Hillingdon, England
2.15 ha brownfield site at Trout Road, Yiewsley, Hillingdon
A brownfield site of 2.15 ha in Hillingdon, England, on the brownfield land register as previously developed land. It lies 0.49 km from the Yiewsley Primary substation (Southern Electric Power Distribution plc), which has 19 MVA of demand headroom and 66.5 MW for generation.
Owner, grid capacity and planning status on request.We do not publish owners. Ask us and we look up the registered owner of this site at the land register, the headroom and connection queue at the nearest substation and its planning history, and find out whether the site is available.
Request owner, grid and planningFacts
Every value links to its source. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Area | 2.15 ha (the area its register gives) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Site from | Brownfield land register (England) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Owner type | Not stated (Unkown) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Address | Trout Road, Yiewsley | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Status | Planned (submitted) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Register reference | 38058/APP/2017/1340 (planning authority London Borough of Hillingdon) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Register entry | Brownfield site: Trout Road, Yiewsley | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Article 4 direction | Residential extensions (100% of the site, estimated from the register's point and area; London Borough of Hillingdon; since 21 Sept 2014) | planning.data.gov.uk · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Not designated | ancient woodland, conservation area, green belt, National Landscape (AONB), national park, Ramsar wetland, registered park and garden, scheduled monument, Special Area of Conservation (Natura 2000), Special Protection Area (Natura 2000), Site of Special Scientific Interest, World Heritage Site buffer zone and World Heritage Site (checked against the published areas) | planning.data.gov.uk · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Location | Hillingdon, England | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Coordinates | 51.5137, -0.4758 (the register's point for the site) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Nearest substation | Yiewsley Primary (0.49 km, register point to the substation's mapped point) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Substation voltage | 66 kV (levels 66, 11 kV) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Substation operator | Southern Electric Power Distribution plc | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Demand headroom at the substation | 19 MVA | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Generation headroom at the substation | 66.5 MW | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Congestion (offtake) at the substation | None (green on the heat map) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Congestion (feed-in) at the substation | None (green on the heat map) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Water stress | High (40–80%) (score 3.4 of 5, withdrawals 52.2% of renewable supply) | WRI Aqueduct 4.0 · CC BY 4.0 · checked 25 Oct 2026 |
The register gives a point and an area, not an outline: the distance runs from that point, so the site's edge can be closer to the substation.
How it compares
#6 of 66 sites in Hillingdon and #2,048 of 6,229 in the United Kingdom by site score. Larger than 30% of the sites in Hillingdon. Closer to its substation than 70% of them.
| Part | This site | Points | Of |
|---|---|---|---|
| Area | 2.15 ha | 0 | 30 |
| Distance to the substation | 0.49 km | 22.7 | 30 |
| Demand headroom at the substation | 19 MVA | 19 | 40 |
| Site score | 42 | 100 |
How the site score works in the United Kingdom · Search sites in Hillingdon
Nearby sites on the same substation
10 other sites have Yiewsley Primary as nearest substation and would compete for its capacity.
- 30 ha site near Yiewsley Primary substation, Hillingdon0.44 km · score 50
- 32 ha site near Yiewsley Primary substation, Buckinghamshire0.66 km · score 47
- 3.75 ha brownfield site at Packet Boat Marina Packet Boat Lane UB8 2JJ, Hillingdon0.35 km · score 44
- 1.41 ha brownfield site at Union Park, Packet Boat Lane, UB8 2GH, Hillingdon0.45 km · score 42
- 2.26 ha brownfield site at Rainbow and Kirby Industrial Estate, Trout Road, Yiewsley, Hillingdon0.5 km · score 41
- 30 ha site near Yiewsley Primary substation, Buckinghamshire1.13 km · score 39
- 4.88 ha brownfield site at SA 37: Former Coal Depot, Tavistock Road, Yiewsley, Hillingdon (gb-bf-1712362)0.77 km · score 37
- 4.88 ha brownfield site at SA 37: Former Coal Depot, Tavistock Road, Yiewsley, Hillingdon (gb-bf-1744189)0.77 km · score 37
- 1.18 ha brownfield site at Padcroft Works, Tavistock Road, Yiewsley, Hillingdon (gb-bf-1712313)0.81 km · score 37
- 1.18 ha brownfield site at Padcroft Works, Tavistock Road, Yiewsley, Hillingdon (gb-bf-1744042)0.81 km · score 37
- Sites in Hillingdon67
- Sites in the United Kingdom6,352
- Yiewsley Primarysubstation
Data on this page
- Supported by National Energy SO Open Data. NESO GIS boundaries for GB DNO licence areas, NESO Open Data Licence.
- Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026. ONS Open Geography: Local Authority Districts, Open Government Licence v3.0.
- Contains public sector information licensed under the Open Government Licence v3.0. planning.data.gov.uk, Open Government Licence v3.0.
- Rare Context. Rare Context powered-land sites, ODbL 1.0.
- SSEN Distribution. SSEN Distribution data portal, CC BY 4.0.
- Kuzma, S., M.F.P. Bierkens, S. Lakshman, T. Luo, L. Saccoccia, E. H. Sutanudjaja, and R. Van Beek. 2023. Aqueduct 4.0: Updated Decision-Relevant Global Water Risk Indicators. Technical Note. Washington, DC: World Resources Institute. doi.org/10.46830/writn.23.00061. WRI Aqueduct 4.0, CC BY 4.0.