1 Grange Gardens Main Street Grendon Underwood Buckinghamshire HP18 0UD

1. 8 Dec 2025

   Received by Buckinghamshire

2. 26 Mar 2026

   Decision issued: Approved

3. 27 Jul 2026

   Added to PlanIndex

Buckinghamshire granted permission on 26 March 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 1 The Chestnuts Main Street Grendon Underwood Buckinghamshire HP18 0UH

  PL/26/06602/KA Submitted 1 Sep 2026 150 yards away

  85% historically approved · decision due ~27 Oct

  Crown reduction to 2 meters to 1 x Silver Birch (T2) and 1 x Magnolia (T3) as the trees are close to the house and garage and are looking to prevent any damage

  Decided Trees

• The Manor Main Street Grendon Underwood Buckinghamshire HP18 0SW

  PL/25/5318/FA Submitted 17 Dec 2025 150 yards away

  Internal and external alterations to existing outbuilding comprising replacement windows, removal of 1 no. existing front dormer and installation of 3 no. front dormers and repairs to roof with replacement roof tiles.

  Granted Full applications Loft or dormer Roofing +1 5 docs

• 9 Darleys Close Grendon Underwood Buckinghamshire HP18 0SE

  PL/26/06583/FA Submitted 2 Sep 2026 250 yards away

  85% historically approved · decision due ~28 Oct

  Householder application for the construction of a single storey rear extension (to replace existing conservatory), porch to front including new roof over existing bay window and ancillary building to front (to replace existing garage).

  Awaiting decision Extension Roofing +1
  Small domestic

• Studley House Main Street Grendon Underwood Buckinghamshire HP18 0SL

  PL/26/00381/VRC Submitted 11 Feb 2026 400 yards away

  Variation of conditions 2 (plans) and 3 (external materials) of planning permission 23/02831/APP (Householder application for glass room to rear) to allow for a change of material of the rear door from wooden to black aluminium and a change in roof pitch.

  Granted Conditions 4 docs
  Domestic

• Oakfield Lodge Main Street Grendon Underwood Buckinghamshire HP18 0SL

  PL/26/07400/TP Submitted 14 Sep 2026 400 yards away

  85% historically approved · decision due ~9 Nov

  Crown reduction by 2m to a common Oak to keep the tree safe and healthy in it's environment.

  Decided Trees

• Beechcroft 1 Rickyard Grove Grendon Underwood Buckinghamshire HP18 0SF

  PL/25/5952/FA Submitted 27 Nov 2025 0.3 miles away

  Single storey rear and 2nd storey side extensions and front porch canopy

  Granted Full applications Extension 21 docs
  Small domestic

• PL/25/6309/FA Refused

  8 Meadow Way Aylesbury Buckinghamshire HP20 1XS

  To erect single storey extensions to the side and front of the house, associated with part two storey with first floor side dormer.

  Received 10 Dec, published by the council 27 Jul 2026 Full applications
• PL/26/02502/FA Granted

  Field Cottage Thornton Road Beachampton Buckinghamshire MK19 6DU

  Subdivision of existing site and installation of new vehicular access. Use of annex, approved under planning permission 25/01909/APP, as a separate residential dwelling with associated fenestration changes.

  Received 26 Mar, published by the council 25 Sep 2026 Full applications
• PL/26/01746/FA Granted

  16 The Valley Centre Gordon Road High Wycombe Buckinghamshire HP13 6EQ

  Installation of external condenser to suit the requirements of internal air conditioning (retrospective) with external enclosure (not yet commenced)

  Received 3 Mar, published by the council 3 Sep 2026 Full applications
• PL/26/02059/FA Refused

  14 Well Street Buckingham Buckinghamshire MK18 1ET

  Single storey extension to rear/side of property adjoining a latter extension to the original older part of the property. Alterations to kitchen and side hall layout with relocation of windows to suit new layout. Removal of first floor balcony, door and monopitched tiled canopy roof. Doorway and roof made good with materials to match existing. Replacement gutters and downpipes from grey uPVC to black uPVC, and part fascias to white PVC where noted to rear.

  Received 12 Mar, published by the council 11 Sep 2026 Full applications
• PL/25/4361/FA Granted

  The Hedgerow Parkwood Walters Ash Buckinghamshire HP14 4XQ

  Full application for use of land as private gypsy and traveller caravan site for 2 pitches, including 2 utility buildings and parking. Retention of hardstanding and existing caravan (part retrospective)

  Received 21 Nov, published by the council 27 Jul 2026 Full applications