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Replacement windows, installation of two sunpipes to rear, air source heat pump, installation of two gas fire flues to rear, installation of mechanical extraction vents, installation of boiler flue to rear, rendering of the rear elevation, installation of lead capping to front elevation, removal of fire escape to rear and replacement with a new terrace and associated works.

18 Dartmouth Street London SW1H 9BL

DecidedReference: 25/08800/FULLCity of Westminster

Last published check: 28 Sept 2026, 06:17. Check the council record for more recent changes.

Application location

18 Dartmouth Street London SW1H 9BL

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Application summary

Status
Decided
Application type
Full Planning Permission Application
Received
3 Dec 2025
Validated
10 Jun 2026
Determination deadline
Not published
Local authority
City of Westminster

Application overview

Replacement windows, installation of two sunpipes to rear, air source heat pump, installation of two gas fire flues to rear, installation of mechanical extraction vents, installation of boiler flue to rear, rendering of the rear elevation, installation of lead capping to front elevation, removal of fire escape to rear and replacement with a new terrace and associated works.

Proposal details

Reference
25/08800/FULL
Alternative references
PP-14412883
Ward
St James's
Agent
Chestnut Planning

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Documents 34 of 34

DocumentPublishedAction
GRANT OF FULL PP [PE]Decision Notice · PDF20 Jul 2026View
DELEGATED REPORTReport · PDF20 Jul 2026View
FIRE SUPPRESSION SYSTEM INFOBackground Papers · PDF10 Jun 2026View
ACK-GENERAL LETTER (G/P/C)Background Papers · PDF24 Apr 2026View
CNSLT-LA SOCIETYBackground Papers · PDF24 Apr 2026View
CNSLT-LA SOCIETYBackground Papers · PDF24 Apr 2026View
SITE NOTICE 21 OR 28 DAYS IF T&C APPL.Background Papers · PDF24 Apr 2026View
NEIGHBOUR NOTIFICATION LETTER (21D)Background Papers · PDF24 Apr 2026View
NOISE IMPACT ASSESSMENTNoise impact assessment · PDF20 Apr 2026View
RECEIPT OF APPLICATIONOther · PDF5 Mar 2026View
1ST INVALID LETTERBackground Papers · PDF5 Mar 2026View
AIR CONDITIONER SPECIFICATIONBackground Papers · PDF4 Feb 2026View
PROPOSED FRONT ELEVATION - WINDOW DETAILS & PHOTOGRAPHSDrawing · PDF4 Feb 2026View
LETTER RE: ACOUSTIC REPORTBackground Papers · PDF4 Feb 2026View
APPLICATIONFORMREDACTEDApplication Form · PDF3 Dec 2025View
ATTACHMENTSUMMARYBackground Papers · PDF3 Dec 2025View
FLOOD MAP FOR PLANNINGFlood risk assessment · PDF3 Dec 2025View
FLOOD RISK ASSESSMENTFlood risk assessment · PDF3 Dec 2025View
LOCATION AND BLOCK PLANSLocation Plan · PDF3 Dec 2025View
THE LOCATION PLAN_INCLUDED_IN_BLOCK PLAN OF THE SITEBackground Papers · PDF3 Dec 2025View
AIR SOURCE HEAT PUMP DETAILDrawing · PDF3 Dec 2025View
OTHER RELEVANT INFORMATION_INCLUDED_IN_ADDITIONAL PLANSOther · PDF3 Dec 2025View
EXISTING PLANS AND SECTION AADrawing · PDF3 Dec 2025View
SECTION - EXISTING_INCLUDED_IN_FLOOR PLAN - EXISTINGBackground Papers · PDF3 Dec 2025View
PROPOSED PLANS AND SECTION AADrawing · PDF3 Dec 2025View
SECTION - EXISTING_INCLUDED_IN_FLOOR PLANBackground Papers · PDF3 Dec 2025View
EXISTING FRONT ELEVATION AND PHOTOGRAPHSDrawing · PDF3 Dec 2025View
EXISTING REAR ELEVATION AND PHOTOGRAPHSDrawing · PDF3 Dec 2025View
EXISTING SIDE ELEVATION AND PHOTOGRAPHSDrawing · PDF3 Dec 2025View
PROPOSED REAR AND SIDE ELEVATIONS AND BALUSTRADE DETDrawing · PDF3 Dec 2025View
ELEVATION (SIDE) - PROPOSED_INCLUDED_IN_ELEVATION (REAR) - PROPOSEDBackground Papers · PDF3 Dec 2025View
FIRE SAFETY STATEMENTBackground Papers · PDF3 Dec 2025View
PLANNING STATEMENTPlanning Statement · PDF3 Dec 2025View
HERITAGE STATEMENTHeritage Statement · PDF3 Dec 2025View

Documents open on the council website. Browse council documents if a link has changed.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application Received Date

    Published milestoneCouncil source

  2. Last Site Notice Posted Date

    Published milestoneCouncil source

  3. Last Advertised In Press Date

    Published milestoneCouncil source

  4. Latest Site Notice Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  5. Latest Advertisement Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  6. Application Validated Date

    Published milestoneCouncil source

  7. Decision Issued Date

    Published milestoneCouncil source

  8. Decision Made Date

    Published milestoneCouncil source

  9. Target Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

Decision & conditions

Application Permitted
GRANT OF FULL PP [PE]
Planning conditions

Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.

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