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Planning application

40 Ordnance Hill London NW8 6PU

Granted Westminster 25/09288/ADFULL Approval of Details (Full PP)

Works: Trees

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Details of all foundations within tree root protection areas pursuant to condition 9 of planning permission dated 15 September 2025 (RN: 25/00867/FULL)

As published by the council, reference 25/09288/ADFULL

Application record

Reference
25/09288/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Granted As published: Application Permitted
Received
22 Dec 2025
Validated
22 Dec 2025
Decided
25 Feb 2026
Ward
Regent's Park
Decision by
Delegated Decision
Postcode
NW8 6PU

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2025: 2 approved, 0 refused.

  • 26/01713/FULL Awaiting decision

    40 Ordnance Hill London NW8 6PU

    Variation of conditions 1, 5, 7, 9 of planning permission dated 15th September 2025 (RN 25/00867/FULL) for the Erection of a single storey rear extension, and part single / part double storey side extension and associated refurbishment works including rear dormer windows, landscaping works, and works to the front and rear facades. NAMELY, relocation of the ASHP from the rear garden to the front area and incorporated within the bin and bike storage structure; Relocation of the pedestrian gate from the street into property; Repair to the existing boundary wall; Demolition of remaining flank wall; Widening of driveway entrance; New vehicular and pedestrian gates; Flat roof (set back from front elevation) to step up and party wall to be raised; Demolition of remaining flank wall; Demolition of remaining rear wall; Raising of first floor; Raising of loft floor level; Demolition of roof; Ground floor side extension parapet wall to be raised to align with No. 38 Ordnance Hill; Party Wall raised; and Flat roof (behind raised boundary wall) to step up.

    Submitted 17 Mar 2026 Full applications
  • 25/08158/NMA Awaiting decision

    40 Ordnance Hill London NW8 6PU

    Amendments to planning permission dated 15th Septmeber 2025 (RN:25/00867/FULL) for Erection of a single storey rear extension, and part single / part double storey side extension and associated refurbishment works including rear dormer windows, landscaping works, and works to the front and rear facades. Namely, the movement of the proposed rear extension away from the existing garden wall, a series of internal alterations including new dividing walls and some room configurations are proposed, the proposed side and rear windows, and dormer window, are proposed to be provided as metal windows in timber surround, the size of one of the proposed rooflights to the single storey-side extension is to be reduced in response to proposed internal adjustments, the small front elevation window is to be revised from a round window to a square window and proposed that the celestory windows to the side extension are extended below brickwork at first floor level.

    Submitted 7 Nov 2025 Amendments
  • 25/06670/ADFULL Granted

    40 Ordnance Hill London NW8 6PU

    Detailed method statement explaining the measures you will take to protect the trees on and close to the site pursuant to condition 7 of planning permission dated 15th September 2025 (RN:25/00867/FULL).

    Decided 20 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 22 Dec 2025

    Received by Westminster

  2. 25 Feb 2026

    Decision issued: Application Permitted

  3. 20 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Hugh Cullum Architects Ltd Agent, an architecture practice registered in Cheltenham

Active · incorporated 2000 · Cheltenham

12 applications on PlanIndex · across 4 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

3 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 grant of permission means

Westminster granted permission on 25 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 36 Ordnance Hill London NW8 6PU

    26/00175/ADFULL Submitted 13 Jan 2026 50 yards away

    Detailed drawings of hard and soft landscaping schemen pursuant to condition 9 of planning permission dated 29th January 2025 (RN: 24/05632/FULL).

    Granted Full applications 4 docs
  • 40 Ordnance Hill London NW8 6PU

    25/06670/ADFULL Submitted 17 Sep 2025 50 yards away

    Detailed method statement explaining the measures you will take to protect the trees on and close to the site pursuant to condition 7 of planning permission dated 15th September 2025 (RN:25/00867/FULL).

    Granted Full applications Trees 8 docs
  • 40 Ordnance Hill London NW8 6PU

    26/01713/FULL Submitted 17 Mar 2026 50 yards away

    87% historically approved · decision due ~25 Jun

    Variation of conditions 1, 5, 7, 9 of planning permission dated 15th September 2025 (RN 25/00867/FULL) for the Erection of a single storey rear extension, and part single / part double storey side extension and associated refurbishment works including rear dormer windows, landscaping works, and works to the front and rear facades. NAMELY, relocation of the ASHP from the rear garden to the front area and incorporated within the bin and bike storage structure; Relocation of the pedestrian gate from the street into property; Repair to the existing boundary wall; Demolition of remaining flank wall; Widening of driveway entrance; New vehicular and pedestrian gates; Flat roof (set back from front elevation) to step up and party wall to be raised; Demolition of remaining flank wall; Demolition of remaining rear wall; Raising of first floor; Raising of loft floor level; Demolition of roof; Ground floor side extension parapet wall to be raised to align with No. 38 Ordnance Hill; Party Wall raised; and Flat roof (behind raised boundary wall) to step up.

    Awaiting decision Full applications Extension Loft or dormer +2 55 docs
    Small domestic
  • 40 Ordnance Hill London NW8 6PU

    25/08158/NMA Submitted 7 Nov 2025 50 yards away

    93% historically approved · decision due ~2 Jan

    Amendments to planning permission dated 15th Septmeber 2025 (RN:25/00867/FULL) for Erection of a single storey rear extension, and part single / part double storey side extension and associated refurbishment works including rear dormer windows, landscaping works, and works to the front and rear facades. Namely, the movement of the proposed rear extension away from the existing garden wall, a series of internal alterations including new dividing walls and some room configurations are proposed, the proposed side and rear windows, and dormer window, are proposed to be provided as metal windows in timber surround, the size of one of the proposed rooflights to the single storey-side extension is to be reduced in response to proposed internal adjustments, the small front elevation window is to be revised from a round window to a square window and proposed that the celestory windows to the side extension are extended below brickwork at first floor level.

    Awaiting decision Amendments Extension Loft or dormer +1 18 docs
    Small domestic
  • 22 Norfolk Road London NW8 6HG

    26/02190/FULL Submitted 1 Apr 2026 50 yards away

    87% historically approved · decision due ~5 Jun

    Installation of a stairlift to front staircase of 22 Norfolk Road. (Linked with 26/01909/LBC)

    Awaiting decision Full applications 11 docs
  • 21 Norfolk Road London NW8 6HG

    26/05598/TCA Submitted 17 Aug 2026 50 yards away

    100% historically approved · decision due ~12 Oct

    T3 London Plane x 1 (Platanus x Hispanica) This plane tree is blocking light from the property, suggested works: reduce to most recent reduction points of reduction all around

    Awaiting decision Trees 6 docs

In Westminster

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    15 Warwick Way London SW1V 1QT

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    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications