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Planning application

21 Arnold Road Laleham Staines-upon-Thames TW18 1LY

Decided Spelthorne 26/00571/CPD

Works: Loft or dormer

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Certificate of Lawfulness for proposed hip to gable roof alteration with rear facing dormer and 2 no. roof lights on front roof plane (As shown on Location plan and plans no's MATTHEW/PLAN/001, /002, /003, /004 rec'd 01.06.2026.)

As published by the council, reference 26/00571/CPD

Application record

Reference
26/00571/CPD
Status
Decided
Received
1 Jun 2026
Validated
1 Jun 2026
Decided
27 Jul 2026
Ward
Staines South
Parish
Staines South And Ashford West ED
Decision by
Delegated Decision
Postcode
TW18 1LY

Site history

Applications at this address on the Spelthorne register

This site has had 2 applications since 2026.

  • 26/00570/PDH Decided

    21 Arnold Road Laleham Staines-upon-Thames TW18 1LY

    Prior approval notification for a single storey rear extension measuring 6 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 3 metres and a height to the eaves of 3 metres. (As shown on location plan and plans no'd MATHEW/PLAN/001, /002, /003 rec'd 01.06.2026).

    Decided 13 Jul 2026

Timeline

Dates from the published record

  1. 1 Jun 2026

    Received by Spelthorne

  2. 27 Jul 2026

    Decision issued

  3. 30 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • Application: 26/00570/PDH (Decided (Prior Approval not required))

Who's behind it

Company information only, from the register and Companies House

M C S Design Architectural Services Agent, an architecture practice

118 applications on PlanIndex · across 21 councils · 67% granted

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

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Documents

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

11 documents on file for this application

  • CPCPDZ CERT PROPOSED DEV Decision Notice · 27 Jul 2026
  • DELEGATED REPORT UPDATED 24.6.20 Officers Report · 27 Jul 2026
  • ACKCPD ACK LETTER CPD Correspondence · 04 Jun 2026
  • APPLICATIONFORMREDACTED Application Form · 01 Jun 2026
  • FEECALCULATION Fee · 01 Jun 2026
  • ATTACHMENTSUMMARY Other Documents · 01 Jun 2026
  • SITE LOCATION PLAN Plans - Location Plan · 01 Jun 2026
  • EXISTING ELEVATIONS Plans - Elevations · 01 Jun 2026
  • PROPOSED ELEVATIONS Plans - Elevations · 01 Jun 2026
  • EXISTING AND PROPOSED FLOOR PLANS Plans - Floor Plans · 01 Jun 2026
  • EXISTING AND PROPOSED ROOF PLANS Plans - Roof · 01 Jun 2026

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After the decision

Spelthorne has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 Spelthorne's portal will say. Our guide explains the common types.

Nearby applications

Within 500 metres

  • 21 Arnold Road Laleham Staines-upon-Thames TW18 1LY

    26/00570/PDH Submitted 1 Jun 2026 0m away

    Prior approval notification for a single storey rear extension measuring 6 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 3 metres and a height to the eaves of 3 metres. (As shown on location plan and plans no'd MATHEW/PLAN/001, /002, /003 rec'd 01.06.2026).

    Decided Extension 11 docs
    Small domestic

  • 23 Arnold Road Laleham Staines-upon-Thames TW18 1LY

    23/00222/HOU Submitted 23 Feb 2023 67m away

    Erection of conservatory to rear of property.

    Granted Householder Extension 11 docs
    Small domestic

  • 141 Elizabeth Avenue Laleham Staines-upon-Thames TW18 1JN

    26/00533/PDH Submitted 21 May 2026 91m away

    Prior Approval Notification for a single storey rear extension extending 5.0 metres beyond the rear wall of the original house, with a maximum height of 2.94 metres and a height of 2.79 metres to the eaves (As shown on plans: 2623_1; 2; 3; 4; 5; 6 received 21.05.2026)

    Granted Prior approval Extension 12 docs
    Small domestic

  • Woodthorpe Methodist Church Edinburgh Drive Laleham Staines-upon-Thames TW18 1PH

    25/01279/FUL Submitted 22 Oct 2025 123m away

    Construction of a two-storey building containing 8 flats on empty land adjacent to the existing church building with associated parking, amenity space and a dropped kerb. 2No single storey side infill extensions and external wall and roof cladding with replacement fenestration to the existing church buildings

    Granted Full applications New dwelling Extension +1 46 docs
    Several homes

  • 3 Arnold Road Laleham Staines-upon-Thames TW18 1LY

    23/00398/CPD Submitted 27 Mar 2023 144m away

    Certificate of lawfulness for proposed development of a loft conversion to include a hip to gable extension, a rear facing dormer, 3 no. front facing rooflights, a Juliet balcony and a side window.

    Granted Lawful development Extension Loft or dormer +1 9 docs

  • 52 Berryscroft Road Laleham Staines-upon-Thames TW18 1NB

    26/00092/CPD Submitted 30 Jan 2026 150m away

    Certificate of Lawfulness for the proposed loft conversion facilitated by a hip to gable extension and insertion of a rear facing dormer with juliet balcony. Insertion of 4 no. rooflights on front roof slope. Erection of outbuilding in rear garden.

    Granted Lawful development Extension Loft or dormer 8 docs