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Permitted23/01425/NMASubmitted 3 years agoLoft conversion

64, 65 St James's Street Westminster SW1A 1NF

Amendments to planning permission dated 04 October 2022 (RN: 22/05420/FULL) for 'Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works'. Namely, amendment to the wording of condition 6 to remove the requirement to set back railings to the main roof terrace; addition of new condition (20) relating to furniture/ items on the main roof terrace; the removal of the balconies from 4th to 7th floor including the area of roof terrace oversailing the balconies; replacement of balcony doors with windows; addition of railings to window openings; and increase height of 3rd floor openable window.

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Progress

Submitted
6 Mar 2023
— completed
Validated
6 Mar 2023
— completed
Consultation
—
— completed
Target date
3 Apr 2023
— completed
Decided
14 Apr 2023
— completed

Application details

Reference
23/01425/NMA
Local authority
Westminster
Postcode
SW1A 1NF
Ward
SJW_22
Application type
All Other
Property type
Commercial

Key dates

Submitted
6 Mar 2023
Validated
6 Mar 2023
Target decision
3 Apr 2023
Decided
14 Apr 2023

Estimated project value

£37k–£100k

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 2026 loft conversion cost guide.

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 2020. 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