14 Cavendish Square Westminster W1G 9DB
Amendments to planning permission dated 19 February 2016 (RN: 15/10411/FULL) for: Installation of a plant room with dummy mansard at main roof level, alterations to the existing and installation of new rooflights, creation of a new roof terrace at main roof level and refurbishment of windows. Internal alterations at all floor levels. Dual/alternative use of the premises for office purposes (Class B1) with ancillary temporary sleeping accommodation at rear basement and ground floor levels and/or use of the premises for office purposes (Class B1) with a self-contained residential unit (Class C3) at rear basement and ground floor level. NAMELY; alteration to layout of roof plant area; alternative location of roof access staircase; variation of glazing arrangement facing light well; variation to internal layout and door detailing in building core; alteration of non-original structure; and alternative location of rear roof light.
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Progress
Application details
- Reference
- 19/05423/NMA
- Local authority
- Westminster
- Postcode
- W1G 9DB
- Ward
- WED_02
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 12 Jul 2019
- Validated
- 12 Jul 2019
- Comments close
- 19 Aug 2019
- Target decision
- 9 Aug 2019
- Decided
- 23 Jul 2019
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
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 14 CAVENDISH SQUARE, LONDON, W1G 9DBOther · Not a standard market sale · £21,300,00019 months ago24 Jan 2025
Contains HM Land Registry data © Crown copyright and database right 2025. 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.
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