23 Spinfield Lane Marlow Buckinghamshire SL7 2JT

1. 15 Jul 2025

   Received by Buckinghamshire

2. 10 Sep 2025

   Decision issued: Cert of Law PROPOSED-granted

3. 4 Aug 2026

   Added to PlanIndex

Buckinghamshire granted permission on 10 September 2025, 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.

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.

• 3 Forty Green Drive Marlow Buckinghamshire SL7 2JX

  PL/25/6035/FA Submitted 1 Dec 2025 100 yards away

  Householder application for ground floor front extension with new pitched roof & roof light. New timber effect boarding to front elevation in place of existing tile hanging and new gable to first floor above existing garage. Conversion of existing single garage to habitable space, full width single storey extension to rear with roof lights, associated internal alterations and widened dropped kerb.

  Refused Full applications Extension Loft or dormer 14 docs
  Small domestic

• 3 Forty Green Drive Marlow Buckinghamshire SL7 2JX

  PL/26/00732/FA Submitted 26 Feb 2026 100 yards away

  Ground floor front extension with new pitched roof & roof light. New timber effect boarding to front elevation in place of existing tile hanging and new gable to first floor above existing garage. Conversion of existing single garage to habitable space, full width single storey extension to rear with roof lights, associated internal alterations and widened dropped kerb.

  Granted Full applications Extension Loft or dormer 7 docs
  Small domestic

• 16 Spinfield Mount Marlow Buckinghamshire SL7 2JU

  PL/26/05880/FA Submitted 22 Jul 2026 100 yards away

  86% historically approved · decision due ~16 Sep

  Construction of ground and first floor front extensions, the demolition of an existing conservatory and the construction of a replacement ground floor rear extension, timber boarding to the front dormers and gable ends, alterations to the fenestration and a detached outbuilding.

  Decided Extension Loft or dormer +2

• Walnut Rise Spinfield Lane Marlow Buckinghamshire SL7 2JN

  PL/26/05156/FA Submitted 24 Jun 2026 200 yards away

  86% historically approved · decision due ~19 Aug

  Rear and side extensions, facade changes, floor plan redesign and all associated works

  Awaiting decision Extension

• 3 Stables Court Marlow Buckinghamshire SL7 2JD

  PL/26/06779/TP Submitted 21 Aug 2026 250 yards away

  86% historically approved · decision due ~16 Oct

  T1 Oak - Reduce the tree by 2-2.5m from branch tips to bring the tree back into scale, mitigate against limb loss and improve light ingress. This will leave a canopy spread of approximately 17-18m. Also remove trunk epicormic up to crown break. T2 Oak - reduced 3 over-extended limbs by 1.5 - 2m to mitigate the tip loading and the risk of failure either at the branch union or on the stems where the woodpecker holes are and reduce the side away from the house by 2-2.5m to balance the crown and mitigate against further branch loss onto the footpath. To leave a canopy spread of approximately 10-12m. T3 Beech- Reduce sections closest to the house to give approximately 2.5m clearance from the roof to mitigate against abrasion and squirrel ingress and egress. The actual spread of the canopy will be unaltered because the nature of the pruning. No pruning cuts to be larger than 75mm in diameter.

  Awaiting decision Trees

• 36 Bovingdon Heights Marlow Buckinghamshire SL7 2JS

  PL/26/01118/FA Submitted 11 Feb 2026 300 yards away

  Demolition of existing conservatory, erection of single storey rear extension, partial conversion of garage and internal alterations

  Granted Full applications Extension Demolition 4 docs
  Small domestic

• PL/26/05794/SA Awaiting decision

  62 Cubb Field Aylesbury Buckinghamshire HP19 7SH

  Certificate of lawfulness for proposed dropped kerb

  Received 10 Aug, published by the council 5 Sep 2026 Lawful development
• PL/26/01164/SA Refused

  64 Sandholme Steeple Claydon Buckinghamshire MK18 2QE

  Certificate of lawfulness for proposed dropped kerb.

  Received 12 Feb, published by the council 4 Aug 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.

  Received 25 Feb, published by the council 3 Aug 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).

  Received 2 Mar, published by the council 3 Aug 2026 Lawful development
• PL/26/05825/SA Awaiting decision

  93 Thornton Crescent Wendover Buckinghamshire HP22 6DQ

  Certificate of lawfulness for proposed air conditioning unit to side of house

  Received 20 Jul, published by the council 15 Aug 2026 Lawful development