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Planning application

PL/25/6326/FA

55 Grays Lane Downley Buckinghamshire HP13 5UG

Granted Buckinghamshire Full Application

Proposal

Single storey rear extension

As published by the council, reference PL/25/6326/FA

Timeline

Dates from the published record

  1. 9 Dec 2025

    Received by Buckinghamshire

  2. 18 Mar 2026

    Decision issued: Approved

  3. 27 Jul 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 full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • PL/26/04896/FA Awaiting decision

    39 Gosling Grove Downley Buckinghamshire HP13 5YS

    Proposed single storey rear extension

    7 Jul 2026 205m away Full applications
  • PL/25/6290/FA Awaiting decision

    7 Pheasant Drive High Wycombe Buckinghamshire HP13 5JH

    Construction of single storey side and rear extension, raising of roof height, conversion of garage to form habitable room, creation of additional parking space and associated fenestration changes (amendment to planning permisson ref: 24/06584/FUL) (retrospective). The principal change relates to the overall height of the main roof. When the existing roof was removed, it became apparent that some sections had no insulation at all. To comply with current Building Regulations for a warm deck roof, a minimum insulation thickness of 150 mm was required, which in turn necessitated raising the supporting walls. Proper insulation was also essential to ensure the effective and efficient operation of the newly installed heat pump system, which relies on a well-insulated building envelope to perform as intended. Given the substantial footprint of the flat roof, it was also essential to adjust the roof falls and upstand heights to manage rainwater effectively. These changes were made to prevent any risk of water overspilling onto neighbouring properties and to ensure that surface water is directed properly to the soak-aways at the front and rear of the dwelling. In addition, care was taken to align the size and profile of the fascia with those of neighbouring properties so that the building sits more comfortably within the existing street scene. The property is a single-storey bungalow located on a sloping site that is already lower than the public highway. As a result, the increased roof height does not appear overbearing or intrusive. The alteration primarily delivers improved thermal performance, supports the proper functioning of the heat pump system, and provides better rainwater management. It does not block light to neighbouring properties, nor does it cause any material harm to their outlook or to the character and appearance of the area.

    10 Dec 2025 417m away Full applications
  • PL/25/3535/FA Decided

    7 Southfield Road High Wycombe Buckinghamshire HP13 5JZ

    Construction of granny annexe outbuilding with flat roof in rear garden (part retrospective)

    9 Dec 2025 498m away Full applications

In Buckinghamshire

  • PL/26/05578/FA Awaiting decision

    Southernwood Widmoor Wooburn Common Buckinghamshire HP10 0JG

    Demolition of garage and construction of home gym outbuilding.

    31 Jul 2026 Full applications
  • PL/26/05536/FA Awaiting decision

    37 Aylesbury Road Wendover Buckinghamshire HP22 6JG

    Conversion of existing attached garage into habitable space, including the installation of new window and roof light and the construction of a new detached double garage with open sided, covered car port.

    30 Jul 2026 Full applications
  • PL/26/04882/FA Awaiting decision

    2 The Cottages Barrettstown Equine Clinic Oving Road Whitchurch Buckinghamshire HP22 4ES

    Addition of oak framed outer porch to front of existing enclosed porch and relocation of main entrance door from side to front.

    30 Jul 2026 Full applications
  • PL/26/05520/FA Awaiting decision

    30 Fair Meadow Winslow Buckinghamshire MK18 3JD

    Repositioning of the existing side boundary fence

    30 Jul 2026 Full applications
  • PL/26/05431/FA Awaiting decision

    Magnolia Manse Finch Lane Knotty Green Buckinghamshire HP9 2TL

    Demolition of conservatory, erection of part single and part double storey rear extension. Enlargement of side (South) dormers on first floor.

    30 Jul 2026 Full applications