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Planning application

29 Stanley Hill Avenue Amersham Buckinghamshire HP7 9BD

Decided Buckinghamshire PL/25/4539/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)

As published by the council, reference PL/25/4539/NMA

Application record

Reference
PL/25/4539/NMA
Type
Non Material Amendment
Status
Decided
Decision
Non material amendt-accepted
Received
13 Oct 2025
Validated
13 Oct 2025
Decided
27 Nov 2025
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/26/00784/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 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.

    Decided 7 Apr 2026 Amendments
  • 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

Timeline

Dates from the published record

  1. 13 Oct 2025

    Received by Buckinghamshire

  2. 27 Nov 2025

    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/26/00784/NMA Submitted 30 Jan 2026 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 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.

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

  • 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

  • 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/26/09107/NMA Awaiting decision

    3 Aveling Road High Wycombe Buckinghamshire HP13 6AE

    Non material amendment to planning permission 23/07799/FUL (Householder application for proposed construction of part single, part double storey rear extension including internal changes, change of existing tiles to original dark slate tiles and reinstatement of front chimney) to allow for the addition of five solar panels to south facing roof of the property.

    Amendments
  • PL/26/08952/NMA Awaiting decision

    Kimble Gregories Farm Lane Beaconsfield Buckinghamshire HP9 1HJ

    Non-material amendment to planning permission PL/26/03766/FA (Replacement self build dwelling, with amendments to access to private road to allow widening) to allow for changes to windows

    Amendments
  • PL/26/08960/NMA Awaiting decision

    2 Malthouse Square Beaconsfield Buckinghamshire HP9 2LD

    Non material amendment to planning permission PL/26/06498/FA (single storey rear extension with link to garage) to allow for the addition of a velux window to ground floor bathroom.

    Amendments
  • PL/26/08769/NMA Awaiting decision

    16 Carrington Avenue Flackwell Heath Buckinghamshire HP10 9AL

    Non material amendment to planning permission 24/05431/FUL (Householder application for demolition of an existing rear conservatory and detached garage and construction of roof extensions/alterations and construction of front, rear, side extensions) to allow for the addition to an open porch to entrance door and fenestration amendments including the omission of Juliet balcony and playroom flush rooflight.

    Amendments
  • PL/26/08772/NMA Awaiting decision

    22 Fremantle Road High Wycombe Buckinghamshire HP13 7PQ

    Non-material amendment to permission for (Demolition of dwelling and detached garage and construction of detached dwelling) granted under planning reference PL/26/06331/FA to allow for alterations to proposed openings on rear elevation

    Amendments