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Planning application

147 Gloucester Avenue London NW1 8LA

Refused Camden 2025/4187/P Householder Application

Works: Extension Loft or dormer Domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of 1st floor rear extension and rear roof extension to infill existing terrace. Installation of 2x front dormers. Relocation of ground floor rooflights.

As published by the council, reference 2025/4187/P

Application record

Reference
2025/4187/P
Type
Householder Application
Status
Final Decision
Decision
Refused
Received
22 Sep 2025
Validated
29 Sep 2025
Decided
19 Dec 2025
Ward
Primrose Hill
Decision by
Delegated
Postcode
NW1 8LA

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2010: 2 approved, 1 refused.

  • 2021/5393/P Granted

    147 Gloucester Avenue London NW1 8LA

    Erection of rear roof extension to enclose existing balcony

    Decided 21 Feb 2022 Full applications
  • 2010/1219/P Granted

    147 Gloucester Avenue London NW1 8LA

    Excavation at basement level beneath the front garden to provide additional habitable accommodation to the existing dwellinghouse.

    Decided 27 Apr 2010 Full applications

Timeline

Dates from the published record

  1. 22 Sep 2025

    Received by Camden

  2. 29 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 19 Dec 2025

    Decision issued: Refused

  4. 9 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

9 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this refusal means

Camden refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 147 Gloucester Avenue London NW1 8LA

    2021/5393/P 50 yards away

    Erection of rear roof extension to enclose existing balcony

    Granted Full applications Extension

  • 147 Gloucester Avenue London NW1 8LA

    2010/1219/P 50 yards away

    Excavation at basement level beneath the front garden to provide additional habitable accommodation to the existing dwellinghouse.

    Granted Full applications
    Domestic

  • 149 Gloucester Avenue London NW1 8LA

    2014/5456/P 50 yards away

    Established use as single dwellinghouse.

    Granted Full applications
    Domestic

  • 149 Gloucester Avenue London NW1 8LA

    2015/6386/P 50 yards away

    Demolition of the upper ground floor conservatory, erection of a lower and upper ground floor rear extension, extension of an existing first floor roof terrace and alterations to the rear fenestration.

    Granted Full applications Extension Demolition +1

  • 143 Gloucester Avenue London NW1 8LA

    2016/4300/P 50 yards away

    Erection of a mansard roof with lead dormer windows in front elevation and a rear roof terrace.

    Granted Full applications Loft or dormer Windows or glazing

  • 143 Gloucester Avenue London NW1 8LA

    2016/7072/P 50 yards away

    Details of appointed structural engineer required by condition 4 of planning permission 2016/0667/P dated 21/11/2016 (for Excavation at lower ground floor level to form ancillary accommodation and including a rooflight to the front paved external area).

    Granted Full applications Loft or dormer

In Camden

  • 2026/4031/P Awaiting decision

    10 Albert Street London NW1 7NZ

    Erection of an extension to widen rear dormer window at second floor.

    Received 2 Oct, published by the council 6 Oct 2026 Householder
  • 2026/3231/P Granted

    9 Wadham Gardens London NW3 3DN

    Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.

    Received 30 Jul, published by the council 9 Aug 2026 Householder
  • 2026/4030/P Awaiting decision

    6 Leverton Street London NW5 2PJ

    Replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

    Received 1 Oct, published by the council 9 Oct 2026 Householder
  • 2026/3493/P Granted

    2 Wildwood Terrace London NW3 7HT

    Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.

    Received 14 Aug, published by the council 22 Aug 2026 Householder
  • 2026/2003/P Granted

    23 Glenmore Road London NW3 4BY

    Installation of external AC unit with acoustic enclosure to rear garden.

    Received 29 May, published by the council 24 Jul 2026 Householder