Planning application
3 Arnold Road Laleham Staines-upon-Thames TW18 1LY
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 23/00398/CPD
Application record
- Reference
- 23/00398/CPD
- Type
- Cert. of Lawful Proposed Use and Dev
- Status
- Decided
- Decision
- Granted As published: Grant Cert Lawful Prop Use/Dev
- Received
- 27 Mar 2023
- Validated
- 27 Mar 2023
- Decided
- 10 May 2023
- Ward
- Staines South
- Parish
- Staines South And Ashford West ED
- Decision by
- Delegated Decision
- Postcode
- TW18 1LY
Timeline
Dates from the published record
-
27 Mar 2023
Received by Spelthorne
-
10 May 2023
Decision issued: Grant Cert Lawful Prop Use/Dev
-
14 Sep 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Studio 136 Architects Ltd Agent, an architecture practice registered in Berkhamsted
Active · incorporated 2000 · Berkhamsted
405 applications on PlanIndex · across 32 councils · 79% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
- CPCPDZ CERT PROPOSED DEV
- APPLICATIONFORMREDACTED
- FEECALCULATION
- ATTACHMENTSUMMARY
- 3 ARNOLD ROAD - REVD
- 3 ARNOLD ROAD - SITE AND LOCATION PLAN
- PORTAL DOCUMENT
- ACKCPD ACK LETTER CPD
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Spelthorne granted permission on 10 May 2023, 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
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141 Elizabeth Avenue Laleham Staines-upon-Thames TW18 1JN
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 docsSmall domestic -
23 Arnold Road Laleham Staines-upon-Thames TW18 1LY
Erection of conservatory to rear of property.
Granted Householder Extension 11 docsSmall domestic -
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 Extension 11 docsSmall domestic -
21 Arnold Road Laleham Staines-upon-Thames TW18 1LY
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.)
Decided Loft or dormer 11 docs -
58 Templedene Avenue Staines-upon-Thames TW18 1LW
Certificate of Lawfulness for existing use or development of a loft conversion to include hip to gable extension, the installation of a rear facing dormer and 2 no. roof lights within the front roof slope.
Granted Extension Loft or dormer 17 docs -
4 Ash Grove Staines-upon-Thames TW18 1JD
Certificate of Lawfulness for the proposed development of loft alterations to include a hip to gable alteration, a rear facing dormer with Juliet Balcony, 3 no. roof lights within the front roof slope.
Granted Lawful development Loft or dormer 17 docs
Other lawful development applications
In Spelthorne
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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)
-
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.
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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)
-
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.
-
26/00575/CLD Refused
96 Groveley Road Sunbury-on-Thames TW16 7LB
Certificate of Lawfulness for an existing development and use for a ground floor rear extension, roof alterations including a rear roof dormer and a hip to gable conversion with insertion of rooflights, and use as a small HMO (use class C4)