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Planning application

3 Montrose Avenue Datchet Slough SL3 9NH

Refused Windsor and Maidenhead 26/01267/FULL Full

Works: Extension Windows or glazing Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Double storey side extension, single storey rear extension, internal alterations and alterations to fenestration.

As published by the council, reference 26/01267/FULL

Application record

Reference
26/01267/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
20 May 2026
Validated
27 May 2026
Decided
17 Aug 2026
Ward
Datchet Horton And Wraysbury
Parish
Datchet Parish
Decision by
Delegated
Postcode
SL3 9NH

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2021: 1 approved, 2 refused.

  • 22/00268/FULL Granted

    3 Montrose Avenue Datchet Slough SL3 9NH

    Garage conversion, single storey side/rear extension and alterations to fenestration.

    Decided 3 May 2022 Full applications
  • 21/03203/FULL Refused

    3 Montrose Avenue Datchet Slough SL3 9NH

    Garage conversion, part single part two storey part first floor side/rear extension and alterations to fenestration.

    Decided 11 Jan 2022 Full applications

Timeline

Dates from the published record

  1. 20 May 2026

    Received by Windsor and Maidenhead

  2. 27 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. 17 Aug 2026

    Decision issued: Refuse

Documents

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

14 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this refusal means

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About full applications

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.

Nearby applications

Within 0.3 miles

  • 3 Montrose Avenue Datchet Slough SL3 9NH

    22/00268/FULL Submitted 3 Feb 2022 0.1 miles away

    Garage conversion, single storey side/rear extension and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 11 docs
    Small domestic

  • 3 Montrose Avenue Datchet Slough SL3 9NH

    21/03203/FULL Submitted 28 Oct 2021 0.1 miles away

    Garage conversion, part single part two storey part first floor side/rear extension and alterations to fenestration.

    Refused Full applications Extension Windows or glazing 10 docs

  • 2 Fairfield Avenue Datchet Slough SL3 9NQ

    21/00790/FULL Submitted 15 Mar 2021 0.1 miles away

    Two storey rear extension, loft conversion and alterations to fenestration.

    Granted Full applications Extension Loft or dormer +1 13 docs

  • 66 London Road Datchet Slough SL3 9LQ

    23/00276/FULL Submitted 2 Feb 2023 0.1 miles away

    Single storey front extension and a part two storey, part first floor side/rear extension and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 18 docs
    Small domestic

  • 6 Fairfield Avenue Datchet Slough SL3 9NQ

    24/02107/FULL Submitted 30 Aug 2024 0.1 miles away

    Part single. part two storey, part first floor side/rear extension, part raising of the ridge and alterations to fenestration following the demolition of the detached garage.

    Granted Full applications Extension Demolition +1 23 docs

  • Fairway Fairfield Avenue Datchet Slough SL3 9NQ

    26/01897/FULL Submitted 3 Aug 2026 0.1 miles away

    71% historically approved · decision due ~8 Oct

    Two storey rear extension, two storey front bay window extension, alterations to fenestration and hip to gable to create loft conversion.

    Awaiting decision Full applications Extension Loft or dormer +1 17 docs

In Windsor and Maidenhead

  • 26/00980/FULL Granted

    19 Linchfield Road Datchet Slough SL3 9NA

    Single storey rear extension

    Received 21 Apr, published by the council 25 Jul 2026 Full applications
  • 26/01706/FULL Granted

    Loraine 36 Forlease Road Maidenhead SL6 1RU

    Single storey rear extension to the main dwelling, partial demolition to existing garage with a relocated door, alterations to the patio and new steps

    Received 13 Jul, published by the council 31 Jul 2026 Full applications
  • 26/01675/FULL Granted

    59 Grove Road Windsor SL4 1HT

    Increase in height of the existing side boundary brick wall following the removal of the existing timber fencing and a reduction in height and new railings to the existing front/side boundary wall.

    Received 9 Jul, published by the council 25 Jul 2026 Full applications
  • 26/01265/FULL Granted

    107 Slough Road Datchet Slough SL3 9AQ

    Single storey rear extension and alterations to fenestration following the demolition of the existing rear element.

    Received 20 May, published by the council 25 Jul 2026 Full applications
  • 26/01700/FULL Granted

    4 Dhoon Rise Maidenhead SL6 1BS

    Garage conversion, front bay window and a single storey front/side extension.

    Received 13 Jul, published by the council 27 Jul 2026 Full applications