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Planning application

PL/26/01104/SA

Penmayne 65 Windsor Road Gerrards Cross Buckinghamshire SL9 7NL

Granted Buckinghamshire Certificate of Lawful Use - Proposed

Proposal

Certificate of lawfulness for proposed detached outbuilding

As published by the council, reference PL/26/01104/SA

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by Buckinghamshire

  2. 7 Apr 2026

    Decision issued: Cert of Law PROPOSED-granted

  3. 4 Aug 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • Meadway Cottage 4 Meadway Park Gerrards Cross Buckinghamshire SL9 7NN

    Application for approval of details subject to condition 5 (shrubs, trees and hedgerows) and 6 (drainage) of planning approval PL/25/1892/FA.

    30 Jan 2026 67m away Conditions
  • PL/25/5735/FA Granted

    Whiteleaf House 9 Wayside Gardens Gerrards Cross Buckinghamshire SL9 7NG

    Demolition of garage and erection of part two/part first floor side extension, double garage with living space in roof and new flat conservatory roof with 2 roof lanterns. Alteration to approved garage, include garage door configuration and dormer windows and dormer windows to south west elevation (part retrospective)

    19 Nov 2025 142m away Full applications
  • PL/26/00811/TP Granted

    Old San Juan 77 Windsor Road Gerrards Cross Buckinghamshire SL9 7NW

    T1 Beech - Fell. T2 and T3 Sycamores - prune back lateral branches to give 2-3m clearance from the property. T4 Beech - prune back lateral branches by 2-3m. (TPO/SBDC/1995/31).

    2 Feb 2026 157m away Trees
  • PL/26/00745/TP Granted

    Wycherly Croft 16 Manor Lane Gerrards Cross Buckinghamshire SL9 7NJ

    Tree works as shown on the application form. (SBDC TPO No. 30,1995).

    29 Jan 2026 241m away Trees
  • PL/25/5039/TP Refused

    Wycherly Croft 16 Manor Lane Gerrards Cross Buckinghamshire SL9 7NJ

    T1 Oak - Reduce by up to 2m. T2 Copper Beech - Reduce by 2m. T3 Beech - fell x4 small beech. T4 Oak - Reduce by 2-3 m, side overhanging houses to maintain clearance. T5 Oak - Reduce by 2-3m,side over patio to maintain clearance and light. (TPO/SBDC/1995/30).

    26 Nov 2025 241m away Trees
  • PL/25/2397/FA Granted

    9 Dukes Wood Drive Gerrards Cross Buckinghamshire SL9 7LJ

    Garden outbuilding ancillary to the main dwelling

    25 Jul 2025 273m away Full applications

In Buckinghamshire

  • PL/26/01164/SA Refused

    64 Sandholme Steeple Claydon Buckinghamshire MK18 2QE

    Certificate of lawfulness for proposed dropped kerb.

    12 Feb 2026 Lawful development
  • PL/26/01589/SA Refused

    3 Corn Mill Close Wing Buckinghamshire LU7 0PL

    Certificate of lawfulness for the proposed single storey rear extension and part garage conversion.

    25 Feb 2026 Lawful development
  • PL/26/01721/SA Granted

    Burton House White Lion Road Little Chalfont Buckinghamshire HP7 9LP

    Certificate of lawfulness for the proposed change of use of building from Existing Office Building (Class E) to Veterinary Practice (Class E).

    2 Mar 2026 Lawful development
  • PL/26/05515/SA Awaiting decision

    Dinton Hall Upton Road Dinton Buckinghamshire HP17 8UQ

    Certificate of lawfulness application for proposed crossover field access point.

    21 Jul 2026 Lawful development
  • PL/26/05843/SA Awaiting decision

    Land at Springfield Farm, South Heath, Buckinghamshire

    Certificate of Proposed Lawful Development for the temporary storage of soil stockpiles at Springfield Farm field at South Heath, Buckinghamshire

    21 Jul 2026 Lawful development