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Permitted25/09063/FULLSubmitted 8 months agoHeat pump

66 St James's Street Westminster SW1A 1NE

Replacement and rearrangement of external roof terrace access via existing access turret and installation of two air-conditioning units and one air source heat pump on roof.

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Progress

Submitted
15 Dec 2025
— completed
Validated
15 Dec 2025
— completed
Consultation
16 Mar 2026
— completed
Target date
9 Feb 2026
— completed
Decided
19 Mar 2026
— completed

Application details

Reference
25/09063/FULL
Local authority
Westminster
Postcode
SW1A 1NE
Ward
SJW_22
Application type
All Other
Property type
House

Key dates

Submitted
15 Dec 2025
Validated
15 Dec 2025
Comments close
16 Mar 2026
Target decision
9 Feb 2026
Decided
19 Mar 2026

Estimated project value

£11k–£21k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade / GreenMatch 2026, excluding Boiler Upgrade Scheme grant.

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Contains HM Land Registry data © Crown copyright and database right 2024. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

Nearby applications