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Planning application

29 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

Decided Buckinghamshire PL/26/00784/NMA Non Material Amendment

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

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

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Proposed non-material amendment to planning permission PL/25/1885/FA (Demolition of existing single storey extension and removal of existing roofs. Conversion of existing garage to habitable accommodation. New part two storey part single storey rear extension, New crown roof with dormer windows and rooflights) to allow change from two window openings to one window opening on the side dormer. Reposition and reduce the size of the two window openings on the first floor rear elevation, and add an additional single window opening centrally.

As published by the council, reference PL/26/00784/NMA

Application record

Reference
PL/26/00784/NMA
Type
Non Material Amendment
Status
Decided
Decision
Non material amendt-accepted
Received
30 Jan 2026
Validated
30 Jan 2026
Decided
7 Apr 2026
Ward
Amersham and Chesham Bois
Parish
Amersham
Decision by
Delegated Decision
Postcode
HP7 9BD

Site history

Applications at this address on the Buckinghamshire register

This site has had 3 applications since 2025.

  • PL/25/6166/NMA Decided

    29 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

    Proposed non-material amendment to planning permission PL/25/1885/FA (Demolition of existing single storey extension and removal of existing roofs. Conversion of existing garage to habitable accommodation. New part two storey part single storey rear extension, New crown roof with dormer windows and rooflights) (To move the approved velux windows on the west elevation)

    Decided 6 Mar 2026 Amendments
  • PL/25/4539/NMA Decided

    29 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

    Proposed non-material amendment to planning permission PL/25/1885/FA (Demolition of existing single storey extension and removal of existing roofs. Conversion of existing garage to habitable accommodation. New part two storey part single storey rear extension, New crown roof with dormer windows and rooflights)

    Decided 27 Nov 2025 Amendments

Timeline

Dates from the published record

  1. 30 Jan 2026

    Received by Buckinghamshire

  2. 7 Apr 2026

    Decision issued: Non material amendt-accepted

  3. 4 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Trueman Architects Ltd Agent, an architecture practice registered in High Wycombe

Active · incorporated 2010 · High Wycombe

12 applications on PlanIndex · across 3 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.

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Open the documents

After the decision

Buckinghamshire has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

About amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 29 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

    PL/25/6166/NMA Submitted 5 Dec 2025 50 yards away

    Proposed non-material amendment to planning permission PL/25/1885/FA (Demolition of existing single storey extension and removal of existing roofs. Conversion of existing garage to habitable accommodation. New part two storey part single storey rear extension, New crown roof with dormer windows and rooflights) (To move the approved velux windows on the west elevation)

    Decided Amendments Extension Loft or dormer +2 3 docs
    Small domestic

  • 29 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

    PL/25/4539/NMA Submitted 13 Oct 2025 50 yards away

    Proposed non-material amendment to planning permission PL/25/1885/FA (Demolition of existing single storey extension and removal of existing roofs. Conversion of existing garage to habitable accommodation. New part two storey part single storey rear extension, New crown roof with dormer windows and rooflights)

    Decided Amendments Extension Loft or dormer +2 3 docs
    Small domestic

  • 27 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

    PL/25/5805/UA Submitted 18 Nov 2025 50 yards away

    Notification under Section 37 of the Electricity Act 1989 to provide an overhead line

    Granted 3 docs

  • 1 Birch Gardens Amersham Buckinghamshire HP7 9TH

    PL/25/5665/TP Submitted 17 Nov 2025 100 yards away

    T1 Oak - Reduce back to previous points, approx 2 metres. (TPO/1987/030)

    Granted Trees 4 docs

  • Monticello 22 Highland Road Amersham Buckinghamshire HP7 9AX

    PL/25/5425/TP Submitted 11 Dec 2025 100 yards away

    T15 Scots Pine - Reduce two over-extended limbs by 2.25m - 2.5m (TPO/1987/031).

    Granted Trees 4 docs

  • Rowan Cottage 13A Highland Road Amersham Buckinghamshire HP7 9AU

    PL/25/3759/TP Submitted 16 Sep 2025 150 yards away

    Oak tree T1 (TPO/1988/022) for crown reduction - reduce the height and spread of the tree by up to 3 metres

    Granted Trees 3 docs

In Buckinghamshire

  • PL/26/07501/NMA Awaiting decision

    14 Culverton Hill Princes Risborough Buckinghamshire HP27 0DZ

    Non material amendment to planning permission ref: PL/26/00991/FA (Two storey side extension and single storey front extension) to allow for the front door to be brought forward in line with the front of the house.

    Amendments
  • PL/26/07378/NMA Awaiting decision

    52 Marygold Walk Little Chalfont Buckinghamshire HP6 6QF

    Non-material amendment to planning permission ref: PL/26/03994/FA (Part two-storey side extension, part single-storey side extension, front porch extension, and loft conversion incorporating a rear dormer and Juliet balcony alongside other changes to fenestration) to allow for reduction of the front porch extension back to as it is, addition of window to the rear in the kitchen and alignment of first floor windows to ground floor window at the rear and in the front.

    Amendments
  • PL/26/07297/NMA Awaiting decision

    Inkerman House Amersham Road Hazlemere Buckinghamshire HP15 7JH

    Non material amendment to planning permission 25/05719/FUL (Erection of a temporary sales suite, including car parking, access and landscaping) to allow sales cabin to remain on site until December 2029 and amend wording of Condition 1 to facilitate this.

    Amendments
  • PL/26/07289/NMA Awaiting decision

    Beni-mora West Street Buckingham Buckinghamshire MK18 1HP

    Non-material amendment to planning permission ref: PL/26/02462/FA (Enlargement of first floor habitable area by converting the existing hipped roof to a gable end roof and the installation of dormer windows on the front and rear elevations) to allow for the removal of the Dutch barn hips to the main roof to have straight gable ends.

    Amendments
  • PL/26/07225/NMA Awaiting decision

    23 Chestnut Close Amersham Buckinghamshire HP6 6EQ

    Non-material amendment to planning permission PL/24/2441/FA (Porch extension, first floor side extension and front dormer window) to allow for amending the front dormer window to make a gable end.

    Received 8 Sep, published by the council 10 Sep 2026 Amendments