Planning application
7 Shortwood Avenue Staines-upon-Thames TW18 4JN
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawfulness for the proposed loft conversion facilitated by a hip to gable extension and 1 no. rear facing dormer with juliet balcony. Insertion of 3 no. rooflights on front roof slope.
As published by the council, reference 26/00261/CPD
Application record
- Reference
- 26/00261/CPD
- Type
- Cert. of Lawful Proposed Use and Dev
- Status
- Decided
- Decision
- Granted As published: Grant Cert Lawful Prop Use/Dev
- Received
- 16 Mar 2026
- Validated
- 16 Mar 2026
- Decided
- 7 May 2026
- Ward
- Staines
- Parish
- Staines ED
- Decision by
- Delegated Decision
- Postcode
- TW18 4JN
Site history
Applications at this address on the Spelthorne register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/00260/PDH Granted
7 Shortwood Avenue Staines-upon-Thames TW18 4JN
Prior Approval Notification for a single storey rear extension extending 5 metres beyond the rear wall of the original dwellinghouse, with a maximum height of 3.85 metres and eaves height of 2.9 metres. (As shown on plans 7SA-E/30092025/PD received 16.03.2026)
Timeline
Dates from the published record
-
16 Mar 2026
Received by Spelthorne
-
7 May 2026
Decision issued: Grant Cert Lawful Prop Use/Dev
-
11 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
S9 DESIGNS Agent, a design practice registered in Newcastle Upon Tyne
Active · incorporated 2026 · Newcastle Upon Tyne
7 applications on PlanIndex · across 4 councils
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
7 documents on file for this application
- CPCPDZ CERT PROPOSED DEV
- DELEGATED REPORT UPDATED 24.6.20
- ACKCPD ACK LETTER CPD
- APPLICATIONFORMREDACTED
- FEECALCULATION
- ATTACHMENTSUMMARY
- PLANS COMBINED
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Spelthorne granted permission on 7 May 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 0.3 miles
-
7 Shortwood Avenue Staines-upon-Thames TW18 4JN
Prior Approval Notification for a single storey rear extension extending 5 metres beyond the rear wall of the original dwellinghouse, with a maximum height of 3.85 metres and eaves height of 2.9 metres. (As shown on plans 7SA-E/30092025/PD received 16.03.2026)
Granted Prior approval Extension 7 docsSmall domestic -
282 London Road Staines-upon-Thames TW18 4JX
Change of Use from a 6-Bed HMO (Use Class C4) to a 7-Bed HMO (Sui Generis)
Granted Full applications 12 docs -
21 Shortwood Avenue Staines-upon-Thames TW18 4JN
Erection of a single storey rear/side extension
Granted Householder Extension 4 docsSmall domestic -
193 London Road Staines-upon-Thames TW18 4HR
Non Material Amendment to increase roof height by 1.5m on proposed self storage facility building relating to planning permission 23/01524/FUL
Refused Amendments 8 docs -
Brecknock Stanwell New Road Staines-upon-Thames TW18 4HY
63% historically approved · decision due ~8 Dec
Conversion of house into Children home C2
Awaiting decision Full applications 11 docs -
57 Leacroft Staines-upon-Thames TW18 4PB
Erection of a single storey rear extension, conversion of existing integral garage into a habitable room and extension to the front driveway to include alterations to the landscaping
Granted Householder Extension 18 docsSmall domestic
Other lawful development applications
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.
-
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.
-
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.