Powered land · Islington, England
3.59 ha brownfield site at Calthorpe St development, Land north west of the Royal Mail Sorting…, Islington
A brownfield site of 3.59 ha in Islington, England, on the brownfield land register as previously developed land. It lies 0.36 km from the Back Hill A 11kV substation (UK Power Networks, London licence area), which has 14.3 MVA of demand headroom and 58.9 MVA 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Owner, grid capacity and planning status on request.We do not publish owners.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 HM Land Registry, the headroom and connection queue at the nearest substation and its planning history, and find out whether the site is available.
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Facts
Every value links to its source. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Area | 3.59 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 | Private | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Planning permission | Granted | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Address | Calthorpe St development, Land north west of the Royal Mail Sorting Office, Farringdon Road | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Permit date | 30 Mar 2015 (full-planning-permission, issued by London Borough of Islington) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Register reference | P2013/1423/FUL (planning authority London Borough of Islington) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Register entry | Brownfield site: Calthorpe St development, Land north west of the Royal Mail Sorting Office, Farringdon Road | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Conservation area | Rosebery Avenue (70.9% of the site, estimated from the register's point and area; London Borough of Islington) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Conservation area | Bloomsbury (9.7% of the site, estimated from the register's point and area; London Borough of Camden; since 1 Mar 1984) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Article 4 direction | Basements (20.6% of the site, estimated from the register's point and area; London Borough of Camden; since 3 Oct 2016) | planning.data.gov.uk · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Article 4 direction | Commercial, Business, and Service (Use Class E) to residential (Use Class C3) (in CAZ) (2% of the site, estimated from the register's point and area; London Borough of Camden; since 29 Jul 2022) | planning.data.gov.uk · record · Open Government Licence v3.0 · checked 25 Oct 2026 |
| Not designated | ancient woodland, 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 | Islington, England | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Coordinates | 51.5255, -0.1130 (the register's point for the site) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Nearest substation | Back Hill A 11kV (0.36 km, register point to the substation's mapped point) | Rare Context powered-land sites · ODbL 1.0 · checked 25 Oct 2026 |
| Substation voltage | 11 kV | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Substation operator | London Power Networks plc (UK Power Networks, London licence area) | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Demand headroom at the substation | 14.3 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 Oct 2026 |
| Generation headroom at the substation | 58.9 MVA | UK Power Networks open data portal · CC BY 4.0 · checked 25 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
#12 of 18 sites in Islington and #2,974 of 8,607 in the United Kingdom by site score. Larger than 72% of the sites in Islington. Closer to its substation than 78% of them.
| Part | This site | Points | Of |
|---|---|---|---|
| Area | 3.59 ha | 0 | 30 |
| Distance to the substation | 0.36 km | 24.6 | 30 |
| Demand headroom at the substation | 14.3 MVA | 14.3 | 40 |
| Site score | 39 | 100 |
How the site score works in the United Kingdom · Search sites in Islington
Nearby sites on the same substation
1 other site has Back Hill A 11kV as nearest substation and would compete for its capacity.
- Sites in Islington18
- Sites in the United Kingdom8,730
- Back Hill A 11kVsubstation
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.
- UK Power Networks. UK Power Networks open 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.