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Planning application

18 Penn Road Datchet Slough SL3 9HT

Refused Windsor and Maidenhead 21/01945/FULL Full

Works: Extension Loft or dormer Demolition Windows or glazing

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 part first floor side/rear extension with undercroft and raising of the roof to provide accommodation in roof space with x1 dormer to each side elevation and alteration to fenestration following demolition of existing garage and front canopy.

As published by the council, reference 21/01945/FULL

Application record

Reference
21/01945/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
24 Jun 2021
Validated
1 Jul 2021
Decided
26 Aug 2021
Ward
Datchet Horton And Wraysbury
Parish
Datchet Parish
Decision by
Delegated
Postcode
SL3 9HT

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2021: 0 approved, 3 refused.

  • 25/02262/FULL Refused

    18 Penn Road Datchet Slough SL3 9HT

    Resiting of the existing front entrance, first floor side/rear extension, ground floor side infill, lowering of the existing front ridge and eaves, 1no. rear Juliet balcony and alterations to fenestration.

    Decided 25 Nov 2025 Full applications
  • 23/01771/FULL Refused

    18 Penn Road Datchet Slough SL3 9HT

    Part first floor part two storey side/rear extension with undercroft, relocation of entrance door, 2no. parking spaces and widening of the existing drop kerb.

    Decided 15 Sep 2023 Full applications

Timeline

Dates from the published record

  1. 24 Jun 2021

    Received by Windsor and Maidenhead

  2. 1 Jul 2021

    Validated

    Checked as complete and ready for consideration.

  3. 26 Aug 2021

    Decision issued: Refuse

  4. 24 Aug 2026

    Added to PlanIndex

Documents

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

13 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

  • 18 Penn Road Datchet Slough SL3 9HT

    25/02262/FULL Submitted 2 Sep 2025 50 yards away

    Resiting of the existing front entrance, first floor side/rear extension, ground floor side infill, lowering of the existing front ridge and eaves, 1no. rear Juliet balcony and alterations to fenestration.

    Refused Full applications Extension Windows or glazing 18 docs

  • 18 Penn Road Datchet Slough SL3 9HT

    23/01771/FULL Submitted 20 Jul 2023 50 yards away

    Part first floor part two storey side/rear extension with undercroft, relocation of entrance door, 2no. parking spaces and widening of the existing drop kerb.

    Refused Full applications Extension 11 docs

  • 9 Penn Road Datchet Slough SL3 9HS

    23/00203/PDXL Submitted 23 Jan 2023 50 yards away

    Single storey rear extension no greater than 3.00m in depth, 2.48m high with an eaves height of 2.30m.

    Granted Prior approval Extension 9 docs
    Small domestic

  • 3 Penn Road Datchet Slough SL3 9HS

    21/01458/PDXL Submitted 10 May 2021 50 yards away

    Single storey rear extension no greater than 5.98m depth, 3.76m high and an eaves height of 2.33m

    Granted Prior approval Extension 15 docs
    Small domestic

  • 147 Horton Road Datchet Slough

    25/02754/FULL Submitted 17 Oct 2025 50 yards away

    Retrospective planning application for 2nos. of new hoarding along the boundary fences, 1no. canopy, resiting of the existing canopy, detached storage unit, staff facilities and new signage.

    Refused Full applications 19 docs

  • 147 Horton Road Datchet Slough

    20/00278/FULL Submitted 4 Feb 2020 100 yards away

    Single storey rear extension.

    Refused Full applications Extension 16 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