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Refused26/04725/NMASubmitted last monthLoft conversion

82 Margaret Street Westminster W1W 8LH

Amendments to planning permission dated 10th November 2025 (RN 25/02820/FULL) for: Alterations including opening of laundry building within the central courtyard at ground floor level; excavation to lower sections of the existing lower ground floor accommodation; erection of an infill extension at lower ground floor level with courtyard above; erection of dummy mansard to the rear of All Saints House to screen new plant; all in connection with the use of part lower ground, part ground and part ground upper floors as 29 units for short to medium stay temporary visitor accommodation (sui generis); use of part lower ground, part ground and part first floor as an event space (Sui Generis); use of part ground floor as lounge/co-working space (Class E); and provision of plant ancillary to the building at basement level.; NAMELY, amendments to the wording of Condition 11, to broaden the function of the ground floor level space beyond its use by occupiers of the visitor accommodation in the building for working, socialising, entertaining, dining or as a co-working space, and to allow for the display or retail sale of goods, other than hot food as permitted by Class E(a) and Class E(g)(i) (offices).

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Progress

Submitted
15 Jul 2026
— completed
Validated
15 Jul 2026
— completed
Consultation
— completed
Target date
12 Aug 2026
— completed
Decided
12 Aug 2026
— completed

Application details

Reference
26/04725/NMA
Local authority
Westminster
Postcode
W1W 8LH
Ward
WEW_22
Application type
All Other
Property type
Commercial

Key dates

Submitted
15 Jul 2026
Validated
15 Jul 2026
Target decision
12 Aug 2026
Decided
12 Aug 2026

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 2022. 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.

Recorded changes

  • 5 Sept 2026: Refused

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