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Permitted21/01191/FULLSubmitted 5 years agoLoft conversion

1 Carlton House Terrace Westminster SW1Y 5AF

Variation of condition 1 of planning permission dated 28 August 2020 (RN: 20/04449/FULL) which itself varied condition 1 of planning permission dated 09 April 2020 30 May 2019 (RN: 20/00755/FULL) for use of the building as a single residential dwelling (Class C3) with associated internal and external alterations including erection of a sun room with terrace at roof level, partial infill of rear lightwell at basement level and car port enclosure. NAMELY, to allow altered roof geometry of the sun room roof and installation of inverted dormers and a mansafe system at the north and south pitched roofs. (Linked to 21/01154/LBC)

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Progress

Submitted
26 Feb 2021
— completed
Validated
26 Feb 2021
— completed
Consultation
31 Mar 2021
— completed
Target date
23 Apr 2021
— completed
Decided
28 Apr 2021
— completed

Application details

Reference
21/01191/FULL
Local authority
Westminster
Postcode
SW1Y 5AF
Ward
SJB_02
Application type
All Other
Property type
House

Key dates

Submitted
26 Feb 2021
Validated
26 Feb 2021
Comments close
31 Mar 2021
Target decision
23 Apr 2021
Decided
28 Apr 2021

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 2017. 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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