70 Margaret Street Westminster W1W 8SS
Infill extension of recessed bay at rear of the building across 1st to 3rd floors and erection of new roof terrace on fourth floor roof; erection of 5th storey roof terrace with associated sedum roof and balustrading; extension of existing roof extension to allow for new staircase access to roof and a servery for the roof terrace; erection of new plant enclosure on roof and rear ground floor lightwell to house new AC Condenser Units; alterations at ground floor level to improve access and enhance existing entrances; installation of new glazing at basement lightwell and at ground floor level; and installation of cycle parking and end of journey facilities; all to extend and alter building in office (Class E) use.
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Progress
Application details
- Reference
- 23/03499/FULL
- Local authority
- Westminster
- Postcode
- W1W 8SS
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 31 May 2023
- Validated
- 31 May 2023
- Comments close
- 3 Jul 2023
- Target decision
- 26 Jul 2023
- Decided
- 22 Aug 2023
Estimated project value
£83k–£170k
Based on the 51.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 51m²
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.
- 69 MARGARET STREET, LONDON, W1W 8SSOther · Leasehold · Not a standard market sale · £10,125,00010 years ago10 Dec 2015
- DMA HOUSE, 70 MARGARET STREET, LONDON, W1W 8SSOther · Leasehold · Not a standard market sale · £10,125,00010 years ago10 Dec 2015
- 71 MARGARET STREET, LONDON, W1W 8SSOther · Leasehold · Not a standard market sale · £10,125,00010 years ago10 Dec 2015
Contains HM Land Registry data © Crown copyright and database right 2015. 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
- 70 Margaret Street Westminster W1W 8SSPermittedNext door
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- 72, 73 Margaret Street Westminster W1W 8STRefusedNext door
- 72, 73 Margaret Street Westminster W1W 8STPermittedNext door