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Permitted19/05423/NMASubmitted 7 years agoLoft conversion

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

Submitted
12 Jul 2019
— completed
Validated
12 Jul 2019
— completed
Consultation
19 Aug 2019
— completed
Target date
9 Aug 2019
— completed
Decided
23 Jul 2019
— completed

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.

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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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