← Back to search

Permitted23/08178/LBCSubmitted 2 years agoRear extension

23 Grafton Street Westminster W1S 4EY

Variation of Conditions 4 and 5 of listed building consent dated 26 April 2021 (Ref: APP/X5990/Y/20/3256672) to read as follows : Condition 4 - The commencement of the rear extension (including any associated demolition works) hereby approved shall not commence until a structural report to demonstrate the proposals will have no impact on the structural integrity of the rear façade of the listed building has been submitted to and approved in writing by the local planning authority. The works shall be implemented in accordance with the approved drawings and maintained thereafter; Condition 5 - No phase of works shall commence until details and samples of the materials to be used in the construction of external surfaces within that respective phase have been submitted to and approved in writing by the local planning authority. The works shall be carried out in accordance with the approved details and samples. (Application made under section 19 of the Listed Building and Conservation Areas Act ).

Find on council portal

Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.

Map of the site

Progress

Submitted
7 Mar 2024
— completed
Validated
7 Mar 2024
— completed
Consultation
— completed
Target date
2 May 2024
— completed
Decided
22 Mar 2024
— completed

Application details

Reference
23/08178/LBC
Local authority
Westminster
Postcode
W1S 4EY
Ward
WEW_22
Application type
All Other
Property type
House

Key dates

Submitted
7 Mar 2024
Validated
7 Mar 2024
Target decision
2 May 2024
Decided
22 Mar 2024

Estimated project value

£41k–£75k

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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Contains HM Land Registry data © Crown copyright and database right 2026. 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