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Planning application

135 And 137 Brightside Avenue Staines-upon-Thames TW18 1NH

Refused Spelthorne 26/00167/FUL Full Application

Works: Extension Loft or dormer Roofing 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

Retrospective application for retention of roof extension including raised ridge height, rear facing dormers and 6 no roof lights on front roof plane. Part two storey part single storey side extension and single storey front and rear extension to 137 Brightside Avenue (as shown on location and block plan rec'd 18.02.2026 and E-01 Rev A and E-02 Rev A rec'd 20.07.2026).

As published by the council, reference 26/00167/FUL

Application record

Reference
26/00167/FUL
Type
Full Application
Status
Decided (Refused)
Decision
Refused As published: Application Refused
Received
18 Feb 2026
Validated
14 Apr 2026
Decided
14 Aug 2026
Ward
Riverside And Laleham
Parish
Staines South And Ashford West ED
Decision by
Delegated Decision
Postcode
TW18 1NH

Timeline

Dates from the published record

  1. 18 Feb 2026

    Received by Spelthorne

  2. 14 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 30 Jul 2026

    Added to PlanIndex

  4. 14 Aug 2026

    Decision issued: Application Refused

Cases linked to this one on the register

  • Application: 24/00637/CPD (Decided)
  • Application: 24/00642/HOU (Decided (Approved))
  • Application: 24/00655/HOU (Decided (Approved))

Who's behind it

Company information only, from the register and Companies House

Design Extension Agent, a design practice registered in Purley

Active · incorporated 2025 · Purley

133 applications on PlanIndex · across 24 councils · 75% granted

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Documents

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

18 documents on file for this application

  • REFULZ DECISION NOTICE REFUSE FULL Decision Notice · 14 Aug 2026
  • DELEGATED REPORT UPDATED 24.6.20 Officers Report · 14 Aug 2026
  • LETTERS OF REPRESENTATION Letters of Representation · 07 Aug 2026
  • EXISTING/AS BUILT ELEVATIONS Plans - Combined · 22 Jul 2026
  • EXISTING/AS BUILT FLOOR PLANS Plans - Combined · 22 Jul 2026
  • PLANNING STATEMENT Other Documents · 14 Jul 2026
  • LETTERS OF REPRESENTATION Letters of Representation · 19 May 2026
  • LETTERS OF REPRESENTATION Letters of Representation · 18 May 2026
  • ACKFUL ACK LETTER FOR FULL Correspondence · 29 Apr 2026
  • EXISTING AND PROPOSED ELEVATIONS Plans Combined - SUPERSEDED · 28 Apr 2026
  • APPLICATIONFORMREDACTED Application Form · 15 Apr 2026
  • APPLICATIONFORMREDACTED Application Form · 18 Feb 2026
  • FEECALCULATION Fee · 18 Feb 2026
  • ATTACHMENTSUMMARY Other Documents · 18 Feb 2026
  • EXISTING AND PROPOSED FRONT, REAR AND SIDE ELEVATION PLANS Plans - Other - SUPERSEDED · 18 Feb 2026
  • EXISTING GROUND AND FIRST FLOOR PLANS Plans - Floor Plans - SUPERSEDED · 18 Feb 2026
  • LOCATION AND BLOCK PLAN Plans - Location Plan · 18 Feb 2026
  • DNA Other Documents · 18 Feb 2026

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What this refusal means

Spelthorne 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

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