Powered land · Buckinghamshire, England
30 ha site near Grassingham Road Primary substation, Buckinghamshire
A candidate site of 29.7 ha in Buckinghamshire, England: one HM Land Registry INSPIRE title polygon. It lies 1.04 km from the Grassingham Road Primary substation (Southern Electric Power Distribution plc), which has no demand headroom and 16.7 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Owner, grid capacity and planning status on request.We do not publish owners.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 title at HM Land Registry, the headroom and connection queue at the nearest substation and the local plan and planning applications, 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 | 29.7 ha (the area of its INSPIRE polygon, the indicative extent of a registered title) | Rare Context powered-land sites · ODbL 1.0 · checked 24 Oct 2026 |
| INSPIRE polygon | 32689525 (its id in the HM Land Registry INSPIRE Index Polygons) | HM Land Registry INSPIRE Index Polygons · Open Government Licence v3.0 · checked 24 Oct 2026 |
| Article 4 direction | Whole District excluding the Town of Chesham - Poultry production. (100% of the site; Buckinghamshire Council; since 7 Apr 2059) | planning.data.gov.uk · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Article 4 direction | Whole District excluding the Town of Chesham - Poultry production. (100% of the site; Buckinghamshire Council; since 15 Jan 2059) | planning.data.gov.uk · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Green belt | London Green Belt (100% of the site; Ministry of Housing, Communities & Local Government) | planning.data.gov.uk · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Not designated | ancient woodland, conservation area, 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 | Buckinghamshire, England | Rare Context powered-land sites · ODbL 1.0 · checked 24 Oct 2026 |
| Coordinates | 51.6213, -0.5585 (a point on the polygon) | Rare Context powered-land sites · ODbL 1.0 · checked 24 Oct 2026 |
| Nearest substation | Grassingham Road Primary (1.04 km, polygon edge to the substation's mapped point) | Rare Context powered-land sites · ODbL 1.0 · checked 24 Oct 2026 |
| Substation voltage | 22 kV (levels 22, 6.6 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 | 16.7 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 substation thermal capacity & upstream thermal capacity) | 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 polygon shows where the title lies, not its legal extent: HM Land Registry notes that the extent of a title can only be established from the title plan.
How it compares
#92 of 130 sites in Buckinghamshire and #4,986 of 6,229 in the United Kingdom by site score. Larger than 20% of the sites in Buckinghamshire. Closer to its substation than 69% of them.
| Part | This site | Points | Of |
|---|---|---|---|
| Area | 29.7 ha | 7.4 | 30 |
| Distance to the substation | 1.04 km | 14.4 | 30 |
| Demand headroom at the substation | 0 MVA | 0 | 40 |
| Site score | 22 | 100 |
How the site score works in the United Kingdom · Search sites in Buckinghamshire
Nearby sites on the same substation
8 other sites have Grassingham Road Primary as nearest substation and would compete for its capacity.
- 87 ha site near Grassingham Road Primary substation, Buckinghamshire1.45 km · score 33
- 39 ha site near Grassingham Road Primary substation, Buckinghamshire1.11 km · score 23
- 37 ha site near Grassingham Road Primary substation, Buckinghamshire1.14 km · score 22
- 34 ha site near Grassingham Road Primary substation, Buckinghamshire1.09 km · score 22
- 33 ha site near Grassingham Road Primary substation, Buckinghamshire1.4 km · score 17
- 1.34 ha brownfield site at Winkers Farm Club, Denham Lane, Chalfont St Peter, Buckinghamshire0.93 km · score 16
- 27 ha site near Grassingham Road Primary substation, Buckinghamshire1.43 km · score 15
- 1.59 ha brownfield site at Perkin Elmer Ltd Chalfont Road Seer Green Beaconsfield…, Buckinghamshire3.36 km · score 0
Data on this page
- This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. HM Land Registry INSPIRE Index Polygons, Open Government Licence v3.0.
- 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.