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Planning application

26/01507/FULL

42 Twynham Road Maidenhead SL6 5AS

Awaiting decision Windsor and Maidenhead Full

Proposal

Single storey side/rear extension, front roof canopy, modification and raising of the existing roof to extend existing loft space, new roof lights, PV solar panels, chimney flue, thermal insulation and render to the existing external walls and alterations to fenestration, following removal of the existing structures and chimney.

As published by the council, reference 26/01507/FULL

Timeline

Dates from the published record

  1. 18 Jun 2026

    Received by Windsor and Maidenhead

  2. 24 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Windsor and Maidenhead for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 22/03072/FULL Granted

    8 Birdwood Road Maidenhead SL6 5AP

    3no. front rooflights, hip to gable and 1no. rear dormer with Juliet balcony.

    16 Nov 2022 76m away Full applications
  • 21/01812/FULL Granted

    9 Napier Road Maidenhead SL6 5AR

    Part single part two storey side/rear extension, alterations to the roof to include x1 front dormer, x1 front rooflight, x1 side rooflight, x2 side rooflights and alterations to fenestration.

    11 Jun 2021 118m away Full applications
  • 26/00417/FULL Granted

    54 Wavell Road Maidenhead SL6 5AD

    Part single part two storey front/side/rear extension with front roof canopy, 2 no. rear juliet balconies and new hardstanding following demolition of existing garage.

    16 Feb 2026 181m away Full applications
  • 22/03093/FULL Granted

    28 Highway Avenue Maidenhead SL6 5AQ

    Single storey side extension, single storey rear extension, garage conversion, x1 rear dormer and alterations to fenestration.

    18 Nov 2022 187m away Full applications
  • 22/02994/CPD Withdrawn

    28 Highway Avenue Maidenhead SL6 5AQ

    Certificate of lawfulness to determine whether the proposed garage conversion, single storey side extension, single storey rear extension and 1no. rear dormer is lawful.

    10 Nov 2022 188m away Lawful development
  • 22/02787/FULL Granted

    16 Highway Road Maidenhead SL6 5AE

    Single storey side and rear extensions, new patio with steps, replacement roof to existing garage and alterations to fenestration following demolition of existing shed.

    17 Oct 2022 192m away Full applications

In Windsor and Maidenhead

  • 26/00962/FULL Granted

    Bonnicut Barn Bonnicut Court 14 High Street Sunningdale Ascot SL5 0NB

    2no. front dormers, part raising of the front elevation to form a parapet wall and terrace, 3no. front rooflights, 3no. rear dormers and alterations to fenestration. (Part Retrospective).

    20 Apr 2026 Full applications
  • 26/01310/FULL Granted

    6 Gilman Crescent Windsor SL4 4YN

    Single storey front/side extension, relocated front door, two storey rear extension, alterations to fenestration and hardstanding, new steps, 1 no. dropped kerb, following demolition of existing elements

    22 May 2026 Full applications
  • 25/03313/FULL Refused

    Land To The South of Lower Mount Farm Long Lane Cookham Maidenhead

    Erection of a crematorium with ceremony hall and memorial arboretum, associated use of land, PV array, vehicular access, parking, landscaping, pavement and road widening along Long Lane.

    15 Dec 2025 Full applications
  • 26/01387/FULL Granted

    7 Elm Road Windsor SL4 3NB

    Single storey rear/side extension

    5 Jun 2026 Full applications
  • 26/00877/FULL Granted

    45 Queens Close Old Windsor Windsor SL4 2PR

    Two storey front/side extension.

    7 Apr 2026 Full applications