Planning application
41 Lyndhurst Avenue Sunbury-on-Thames TW16 6QZ
Works: Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness for proposed loft conversion comprising hip-to-gable roof alteration, rear facing dormer and 2 no roof lights on front roof plane. Erection of outbuilding in rear garden. (As shown on plan no's 01C, 02C, 03C, 04C, 05C, 06C, 07C, 08C, 09C, 10C, 11C, 12C, 13C rec'd 10.07.2026)
As published by the council, reference 26/00464/CPD
Application record
- Reference
- 26/00464/CPD
- Type
- Cert. of Lawful Proposed Use and Dev
- Status
- Decided
- Decision
- Grant Cert Lawful Prop Use/Dev
- Received
- 6 May 2026
- Validated
- 6 May 2026
- Decided
- 10 Jul 2026
- Ward
- Halliford And Sunbury West
- Parish
- Lower Sunbury And Halliford ED
- Decision by
- Delegated Decision
- Postcode
- TW16 6QZ
Site history
Applications at this address on the Spelthorne register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/00201/PDH Granted
41 Lyndhurst Avenue Sunbury-on-Thames TW16 6QZ
Prior approval notification for a single storey rear extension measuring 4 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 3.2 metres and a height to the eaves of 2.95 metres. (as shown on plan no's 01A, 02A, 03A, 04A, 05A, 06A, 07A, 08A received 13.03.2026).
Timeline
Dates from the published record
-
6 May 2026
Received by Spelthorne
-
10 Jul 2026
Decision issued: Grant Cert Lawful Prop Use/Dev
-
30 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
- Application: 26/00201/PDH (Decided (Approved))
Who's behind it
Company information only, from the register and Companies House
EnGage Reliance Limited Agent, registered in West Drayton
Active · incorporated 2008 · West Drayton
20 applications on PlanIndex · across 11 councils · 84% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
- AMENDED PLANS COMBINED
- CPCPDZ CERT PROPOSED DEV
- DELEGATED REPORT UPDATED 24.6.20
- AMENDED PLANS COMBINED
- ACKCPD ACK LETTER CPD
- APPLICATIONFORMREDACTED
- FEECALCULATION
- LOCATIONPLAN
- SITELOCATION
- EXISTING AND PROPOSED
- PDH DECISION NOTICE
Trade members open them from here.
Open the documentsWhat this grant of permission means
Spelthorne granted permission on 10 July 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 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 500 metres
-
41 Lyndhurst Avenue Sunbury-on-Thames TW16 6QZ
Prior approval notification for a single storey rear extension measuring 4 metres in depth beyond the rear wall of the original dwelling house measuring a maximum height of 3.2 metres and a height to the eaves of 2.95 metres. (as shown on plan no's 01A, 02A, 03A, 04A, 05A, 06A, 07A, 08A received 13.03.2026).
Granted Prior approval Extension 8 docsSmall domestic -
7 Lyndhurst Avenue Sunbury-on-Thames TW16 6QZ
Removal of condition 4 and informative 1 relating to planning permission 06/00071/FUL
Granted Amendments 9 docs -
5 Croysdale Avenue Sunbury-on-Thames TW16 6QP
Erection of a single storey infill side extension and bay window at rear of existing bedroom.
Granted Householder Extension Windows or glazing 19 docsSmall domestic -
6 Fairlawns Sunbury-on-Thames TW16 6QR
Certificate of Lawfulness for the proposed development of a single storey rear extension.
Granted Lawful development Extension 9 docsSmall domestic -
Berwick House Green Street Sunbury-on-Thames TW16 6RA
TPO055/77/T77 - 1 x Oak to re-pollard back to 1.5m to original pollard point.
Granted Trees 5 docs -
Land Off Hazelwood Hazelwood Drive Sunbury-on-Thames TW16 6QU
Discharge condition 5 (Habitat Creation and Enhancement Plan) relating to planning permission 23/00070/FUL
Granted Conditions 8 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)
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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)
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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.
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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)