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Planning application

The Firs Mill Lane Horton Slough SL3 9PN

Refused Windsor and Maidenhead 21/01100/FULL Full

Works: Extension Demolition 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

Part single part two storey side/rear extension to create x1 dwelling, following demolition of the existing garage.

As published by the council, reference 21/01100/FULL

Application record

Reference
21/01100/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
8 Apr 2021
Validated
8 Apr 2021
Decided
6 Sep 2021
Ward
Datchet Horton And Wraysbury
Parish
Horton Parish
Decision by
Delegated
Postcode
SL3 9PN

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2020: 1 approved, 1 refused.

  • 20/01906/FULL Withdrawn

    The Firs Mill Lane Horton Slough SL3 9PN

    Two storey side/rear extension to create x1 dwelling, following demolition of the existing garage.

    Decided 22 Sep 2020 Full applications
  • 20/01598/CPD Granted

    The Firs Mill Lane Horton Slough SL3 9PN

    Certificate of lawfulness to determine whether the proposed side dormer to facilitate a loft conversion is lawful.

    Decided 25 Aug 2020 Lawful development

Timeline

Dates from the published record

  1. 8 Apr 2021

    Received by Windsor and Maidenhead

  2. 6 Sep 2021

    Decision issued: Refuse

  3. 3 Sep 2026

    Added to PlanIndex

Documents

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

23 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.

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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

  • The Firs Mill Lane Horton Slough SL3 9PN

    20/01906/FULL Submitted 30 Jul 2020 50 yards away

    Two storey side/rear extension to create x1 dwelling, following demolition of the existing garage.

    Withdrawn Full applications Extension Demolition 15 docs
    Domestic

  • The Firs And Land At The Firs Mill Lane Horton Slough

    20/02941/FULL Submitted 4 Nov 2020 50 yards away

    Two storey side extension following the demolition of the existing garage.

    Granted Full applications Extension Demolition 15 docs

  • The Firs Mill Lane Horton Slough SL3 9PN

    20/01598/CPD Submitted 3 Jul 2020 50 yards away

    Certificate of lawfulness to determine whether the proposed side dormer to facilitate a loft conversion is lawful.

    Granted Lawful development Loft or dormer 10 docs

  • The Haven Mill Lane Horton Slough SL3 9PN

    21/01584/FULL Submitted 21 May 2021 50 yards away

    New outbuilding to be used ancillary to the main dwelling following the demolition of the existing garage.

    Granted Full applications Demolition 8 docs
    Small domestic

  • Lucky For Some Mill Lane Horton Slough SL3 9PL

    22/01261/FULL Submitted 11 May 2022 50 yards away

    x1 rear outbuilding - retrospective.

    Granted Full applications 19 docs

  • Coppertops Mill Lane Horton Slough SL3 9PN

    26/00886/FULL Submitted 8 Apr 2026 50 yards away

    Single storey rear extension and first floor rear/side extension following demolition of existing conservatory.

    Granted Full applications Extension Demolition 25 docs
    Small domestic

In Windsor and Maidenhead

  • 26/02029/FULL Granted

    5 Kimber Close Windsor SL4 4BJ

    Single storey rear extension.

    Received 17 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01955/FULL Granted

    2 Holmlea Road Datchet Slough SL3 9HQ

    Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

    Received 7 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01121/FULL Granted

    Zain House 15 Wilton Crescent Windsor SL4 4YJ

    Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

    Received 6 May, published by the council 11 Aug 2026 Full applications
  • 26/01977/FULL Granted

    9 St Marks Place Windsor SL4 3BG

    Garage conversion and alterations to fenestration.

    Received 11 Aug, published by the council 24 Aug 2026 Full applications
  • 26/01804/FULL Granted

    16 Devereux Road Windsor SL4 1JJ

    Installation of air conditioning compressor unit to the first floor side elevation.

    Received 23 Jul, published by the council 24 Aug 2026 Full applications