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Planning application

71 Seymour Court Road Marlow Buckinghamshire SL7 3BQ

Granted Buckinghamshire PL/25/5125/SA Certificate of Lawful Use - Proposed

Works: Extension Small domestic

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

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

Proposal

Certificate of Lawfulness for Proposed Erection of a single storey rear extension to replace an existing conservatory and all associated works.

As published by the council, reference PL/25/5125/SA

Application record

Reference
PL/25/5125/SA
Type
Certificate of Lawful Use - Proposed
Status
Decided
Decision
Cert of Law PROPOSED-granted
Received
30 Oct 2025
Validated
30 Oct 2025
Decided
10 Feb 2026
Ward
Marlow
Parish
Marlow Town
Decision by
Delegated Decision
Postcode
SL7 3BQ

Timeline

Dates from the published record

  1. 30 Oct 2025

    Received by Buckinghamshire

  2. 10 Feb 2026

    Decision issued: Cert of Law PROPOSED-granted

  3. 27 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio 136 Architects Ltd Agent, an architecture practice registered in Berkhamsted

Active · incorporated 2000 · Berkhamsted

341 applications on PlanIndex · across 31 councils · 79% granted

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Documents

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

6 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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What this grant of permission means

Buckinghamshire granted permission on 10 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 24 Berwick Road Marlow Buckinghamshire SL7 3AT

    PL/25/4798/FA Submitted 21 Oct 2025 52m away

    Proposed rear first floor extension, loft conversion with rear dormer and front rooflights.

    Granted Full applications Extension Loft or dormer 15 docs

  • 4 Berwick Road Marlow Buckinghamshire SL7 3AT

    PL/26/05920/FA Submitted 23 Jul 2026 61m away

    86% historically approved · decision due ~17 Sep

    The demolition of the existing conservatory and the construction of a two-storey rear extension together with alterations to the fenestration.

    Decided Extension Demolition +1

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  • 57 Berwick Road Marlow Buckinghamshire SL7 3AS

    PL/26/07155/NMA Submitted 7 Sep 2026 102m away

    86% historically approved · decision due ~2 Nov

    Non material amendment to planning permission PL/26/02183/FA (Conversion of existing single-storey bungalow to a chalet bungalow, including side and rear extensions, roof alterations with dormer windows and roof lights) reason - substitute the approved roof covering with 500mm x 250mm grey natural slate.

    Awaiting decision Amendments Extension Loft or dormer +2
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  • 57 Berwick Road Marlow Buckinghamshire SL7 3AS

    PL/26/02183/FA Submitted 17 Mar 2026 114m away

    Conversion of existing single-storey bungalow to a chalet bungalow, including side and rear extensions, roof alterations with dormer windows and roof lights.

    Granted Full applications Extension Loft or dormer +2 13 docs
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  • 19 Seymour Court Road Marlow Buckinghamshire SL7 3AX

    PL/25/2343/SA Submitted 22 Jul 2025 217m away

    Certificate of lawfulness for proposed loft conversion

    Granted Lawful development Loft or dormer 8 docs

In Buckinghamshire

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    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/26/05825/SA Awaiting decision

    93 Thornton Crescent Wendover Buckinghamshire HP22 6DQ

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    20 Jul 2026 Lawful development