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Planning application

17 Sidney Road Staines-upon-Thames TW18 4LP

Granted Spelthorne 21/01333/CPD Cert. of Lawful Proposed Use and Dev

Works: Loft or dormer

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

Proposal

Hip-to-gable loft conversion, rear dormer and insertion of skylights to front roofslope under permitted development

As published by the council, reference 21/01333/CPD

Application record

Reference
21/01333/CPD
Type
Cert. of Lawful Proposed Use and Dev
Status
Decided
Decision
Granted As published: Grant Cert Lawful Prop Use/Dev
Received
13 Aug 2021
Validated
13 Aug 2021
Decided
7 Oct 2021
Ward
Staines
Decision by
Delegated Decision
Postcode
TW18 4LP

Site history

Applications at this address on the Spelthorne register

This site has had 2 applications since 2021: 2 approved, 0 refused.

  • 21/01334/CPD Granted

    17 Sidney Road Staines-upon-Thames TW18 4LP

    Hip-to-gable L-shape loft conversion, rear dormer and insertion of skylights to front roofslope under permitted development.

    Decided 8 Oct 2021 Lawful development

Timeline

Dates from the published record

  1. 13 Aug 2021

    Received by Spelthorne

  2. 7 Oct 2021

    Decision issued: Grant Cert Lawful Prop Use/Dev

  3. 8 Oct 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Projection Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2016 · London

67 applications on PlanIndex · across 17 councils · 84% granted

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Documents

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

16 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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What this grant of permission means

Spelthorne granted permission on 7 October 2021, 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 17 Sidney Road Staines-upon-Thames TW18 4LP

    21/01334/CPD Submitted 13 Aug 2021 50 yards away

    Hip-to-gable L-shape loft conversion, rear dormer and insertion of skylights to front roofslope under permitted development.

    Granted Lawful development Loft or dormer 16 docs

  • 19 Sidney Road Staines-upon-Thames TW18 4LP

    21/00860/HOU Submitted 24 May 2021 50 yards away

    Erection of a side/rear extension following demolition of the existing side/rear extension and the erection of an open porch.

    Granted Householder Extension Demolition 16 docs
    Small domestic

  • 19 Sidney Road Staines-upon-Thames TW18 4LP

    21/00861/CPD Submitted 22 May 2021 50 yards away

    Certificate of lawfulness for the proposed development of loft alterations that would include a hip to gable alteration, installation of an L shaped dormer and 3 no. roof lights within the front roof slope.

    Granted Lawful development Loft or dormer 15 docs

  • 19 Sidney Road Staines-upon-Thames TW18 4LP

    21/00859/CPD Submitted 22 May 2021 50 yards away

    Certificate of lawfulness for proposed hip to gable roof alterations to include a rear facing dormer and 3 no roof lights in front.

    Granted Lawful development Loft or dormer Roofing 15 docs

  • 19 Sidney Road Staines-upon-Thames TW18 4LP

    21/01282/HOU Submitted 4 Aug 2021 50 yards away

    Erection of a first floor rear and side extension, a hip to gable alteration, installation of an L-shaped dormer, 3 no. roof lights within the front roof slope and ground floor extensions (Combination of previous applications: 21/00861/CPD and 21/00860/HOU)

    Withdrawn Householder Extension Loft or dormer 14 docs
    Domestic

  • 19 Sidney Road Staines-upon-Thames TW18 4LP

    23/00090/RVC Submitted 24 Jan 2023 50 yards away

    Variation of condition 3 of Planning Permission 21/00860/HOU to allow the enlargement of the side extension to have a set back of 2.8 metres from the main facade (As shown on plans B-01 rev B, A-01 rev H, A-02 rev B, A-03 rev B, A-04 rev H, A-05 rev B, A-06 rev H, A-07 rev B received 24.01.2023)

    Granted Amendments Extension 8 docs

In Spelthorne

  • 26/00916/CPD Awaiting decision

    9 Alexandra Road Ashford TW15 1TW

    Certificate of Lawfulness for proposed conversion of roof space into habitable room, to include a rear dormer and conversion of roof from hip to gable end and 2 no roof lights on front of roof.

    Received 31 Aug, published by the council 9 Sep 2026 Lawful development
  • 26/00452/CLD Granted

    177A Feltham Road Ashford TW15 1BB

    Certificate of Lawfulness for existing use of the ground floor flat as a small HMO (Use Class C4)

    Received 4 May, published by the council 30 Jul 2026 Lawful development
  • 26/00200/CLD Granted

    73 Nursery Gardens Staines-upon-Thames TW18 1EL

    Certificate of Lawfulness to establish the lawful use of the property is as a House in Multiple Occupation (Use Class C4) for up to six occupants. As shown on site location plan and block plan no EX-1003 and Pre-Existing Floor Plans (Page 01 of 02) and Existing Floor Plans (Page 02 of 02) received 27.02.2026.

    Received 26 Feb, published by the council 30 Jul 2026 Lawful development
  • 26/00383/CPD Refused

    13 Meadow Road Ashford TW15 1PL

    Certificate of lawfulness for proposed change of use from a 6 Person HMO (Class C4) to a 7 Person HMO (Sui-Generis)

    Received 14 Apr, published by the council 30 Jul 2026 Lawful development
  • 26/00437/CLD Refused

    4 Sunmead Road Sunbury-on-Thames TW16 6PE

    Certificate of Existing Lawfulness for the conversion of a C3 dwellinghouse to a C4 small 6-person HMO.

    Received 28 Apr, published by the council 30 Jul 2026 Lawful development