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Planning application

12, Hillside, Slough, SL1 2RW

Granted Slough P/20667/002 Certificate Proposed (Use/Development)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Lawful Development Certificate for a proposed detached outbuilding to the rear g

As published by the council, reference P/20667/002

Application record

Reference
P/20667/002
Type
Certificate Proposed (Use/Development)
Decision
Approved Grant CLU/D;Informatives
Received
2 Feb 2026
Validated
3 Feb 2026
Decided
1 Apr 2026
Postcode
SL1 2RW

Site history

Applications at this address on the Slough register

This site has had 3 applications since 2024: 2 approved, 1 refused.

  • P/20667/001 Granted

    12, Hillside, Slough, SL1 2RW

    Lawful development certificate for a proposed single storey side extension, loft conversion with rear dormer, 2no front roof lights and internal alterations

    Decided 4 Dec 2024 Outline
  • Y/20667/000 Refused

    12, Hillside, Slough, SL1 2RW

    The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.0m, with a maximum height of 2.9m, and an eaves height of 2.8m

    Decided 25 Nov 2024 Prior approval

Timeline

Dates from the published record

  1. 2 Feb 2026

    Received by Slough

  2. 3 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 1 Apr 2026

    Decision issued: Approved Grant CLU/D;Informatives

  4. 25 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Authorised Designs Ltd Agent, a design practice registered in Berkhamsted

Active · incorporated 2011 · Berkhamsted

95 applications on PlanIndex · across 8 councils · 76% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

What this grant of permission means

Slough granted permission on 1 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About this record

The published feed does not state which type of application this is; the register entry on Slough's portal will say. Our guide explains the common types.

Nearby applications

Within 500 metres

  • 54, Hillside, Slough, SL1 2RW

    P/21089/000 Submitted 30 Jun 2026 0m away

    Construction of a proposed part single storey, part two storey rear extension to

    Granted Full applications Extension
    Small domestic

  • 12, Hillside, Slough, SL1 2RW

    P/20667/001 Submitted 18 Oct 2024 51m away

    Lawful development certificate for a proposed single storey side extension, loft conversion with rear dormer, 2no front roof lights and internal alterations

    Granted Outline Extension Loft or dormer 2 docs
    Small domestic

  • 12, Hillside, Slough, SL1 2RW

    Y/20667/000 Submitted 10 Oct 2024 51m away

    The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.0m, with a maximum height of 2.9m, and an eaves height of 2.8m

    Refused Prior approval Extension 2 docs
    Small domestic

  • 81, Ledgers Road, Slough, SL1 2RQ

    P/15972/001 Submitted 27 Mar 2026 71m away

    Lawful Development Certificate for a proposed dropped kerb.

    Withdrawn

  • 85, Ledgers Road, Slough, SL1 2RQ

    P/00829/018 Submitted 30 Dec 2025 71m away

    Lawful Development Certificate for a proposed single storey rear extension to ex

    Granted Extension
    Small domestic

  • 91, Ledgers Road, Slough, SL1 2RQ

    P/20710/001 Submitted 6 May 2026 71m away

    Lawful development certificte for a proposed rear outbuilding for use of gym/hom

    Refused