Planning application
17, Ailsa Road, Twickenham, TW1 1QJ
Works: Extension Loft or dormer Demolition 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
Construction of a part single-storey, part two-storey rear and side extension following the demolition of the existing rear extension, side extension, and front garage. Ridgeline roof conversion featuring one front and one side conservation style rooflight. Installation of a swimming pool to the rear.
As published by the council, reference PA26/2041
Application record
- Reference
- PA26/2041
- Type
- Householder Application
- Status
- Decided
- Decision
- Refused As published: Refused Permission
- Received
- 11 Jun 2026
- Validated
- 15 Jun 2026
- Decided
- 21 Jul 2026
- Ward
- St. Margarets & North Twickenham Ward [SMN]
- Decision by
- Delegated Decision Team Leader
- Postcode
- TW1 1QJ
Timeline
Dates from the published record
-
11 Jun 2026
Received by Richmond upon Thames
-
15 Jun 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Decision issued: Refused Permission
-
26 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
37 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this refusal means
Richmond upon Thames 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
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21 Ailsa Road, Twickenham
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Tree Number - T1 Tree Type - Magnolia Approx. Diameter at 1.5m - 0.4m Approx. Height - 9m Approx. Crown Spread Diameter - 13m Location - No.23 Service - Crown Reduction Work Required - Reduce height by up to 1.5m and lateral spread on all sides by up to 1.5m Reason - As per clients specification Priority Code - On Tree number - T2 Tree type - Robinia Location - No.23 Service - Remove hanging limb Work required - Remove x1 partially snapped limb Reason - as per clients specification Priority code - on Tree Number - T3 Tree Type - Robinia Approx. Diameter at 1.5m - 0.3m Approx. Height - 8m Approx. Crown Spread Diameter - 6m Location - No.23 Service - Section dismantle Work Required - Section dismantle tree to near ground level Reason - Tree is dead Priority Code - On
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23 Ailsa Road Twickenham TW1 1QJ
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Other householder applications
In Richmond upon Thames
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PA26/2361 Refused
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Single storey rear extension to replace existing rear extension.
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PA26/2869 Refused
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Improvements to the front elevation, replacement of the coach house, replacement of the rear extensions, first and second floor rear extension and new basement excavation.
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PA26/2821 Granted
192A, Sheen Lane, London, SW14 8LF
Alterations to the existing dwelling, including enlarging existing window and door openings, replacement windows and doors, new rooflight openings, replacement rooflights in existing openings, rendering the external brickwork, installation of an air source heat pump, air conditioning unit and photovoltaic panels, installation of woodburner flue, removal of the brick chimney stack at roof level and replacement of a brick garden wall with a timber screen.
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PA26/2256 Refused
36A Cambridge Park Twickenham TW1 2JU
Erection of a detached domestic garage to serve the existing dwelling, positioned toward the front/side of the plot and associated frontage boundary alterations including replacement wall/fence/hedging treatment.
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PA26/2671 Granted
30, The Avenue, Twickenham, TW1 1RY
Demolition of garage, ground floor rear extension, ground floor side extension, new conservation rooflights to main roof and removal of one window.