Powered land · Slough, England
1.12 ha brownfield site at Tower and Ashbourne House, Slough
A brownfield site of 1.12 ha in Slough, England, on the brownfield land register as previously developed land. It lies 0.69 km from the Chalvey BSP substation (Southern Electric Power Distribution plc), which has 0 MVA of demand headroom and 88 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Owner, grid capacity and planning status on request.We do not publish owners.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 | 1.12 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 |
| Address | Tower and Ashbourne House | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Status | Planned (pending-decision) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Owner type | Public (owned-by-a-public-authority) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Register reference | br1 (planning authority Slough Borough Council) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Register entry | Brownfield site: Tower and Ashbourne House | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Location | Slough, England | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Coordinates | 51.5083, -0.6002 (the register's point for the site) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Nearest substation | Chalvey BSP (0.69 km, register point to the substation's mapped point) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Substation voltage | 132 kV (levels 132, 33 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 | 0 MVA | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Generation headroom at the substation | 88 MW | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Congestion (offtake) at the substation | Full (red on the heat map, limited by upstream thermal capacity) | SSEN Distribution data portal · CC BY 4.0 · checked 24 Oct 2026 |
| Congestion (feed-in) at the substation | Limited (amber on the heat map, limited by upstream fault level constraint) | SSEN Distribution data portal · CC BY 4.0 · checked 24 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
#12 of 19 sites in Slough and #5,281 of 6,229 in the United Kingdom by site score. Larger than 0% of the sites in Slough. Closer to its substation than 47% of them.
| Part | This site | Points | Of |
|---|---|---|---|
| Area | 1.12 ha | 0 | 30 |
| Distance to the substation | 0.69 km | 19.7 | 30 |
| Demand headroom at the substation | 0 MVA | 0 | 40 |
| Site score | 20 | 100 |
How the site score works in the United Kingdom · Search sites in Slough
Nearby sites on the same substation
3 other sites have Chalvey BSP as nearest substation and would compete for its capacity.
- 36 ha site near Chalvey BSP substation, Windsor and Maidenhead0.54 km · score 31
- 42 ha site near Chalvey BSP substation, Windsor and Maidenhead0.82 km · score 29
- 76 ha site near Chalvey BSP substation, Windsor and Maidenhead1.57 km · score 28
- Sites in Slough19
- Sites in the United Kingdom6,352
- Chalvey BSPsubstation
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.