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Planning application

17, Ailsa Road, Twickenham, TW1 1QJ

Refused Richmond upon Thames PA26/2041 Householder Application

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

  1. 11 Jun 2026

    Received by Richmond upon Thames

  2. 15 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Decision issued: Refused Permission

  4. 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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What 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.

Nearby applications

Within 0.3 miles

  • 21 Ailsa Road, Twickenham

    PA26/0304 Submitted 29 Jan 2026 0.1 miles away

    FRONT GARDEN G1 Mixed Species Cherry - Fell to ground level in order to facilitate new front boundary wall to be built. Cherry within group of shrubs and small diameter saplings.

    Granted Trees 3 docs
    Small domestic

  • 21 Ailsa Road, Twickenham

    PA26/0162 Submitted 19 Jan 2026 0.1 miles away

    Replacement front garden wall.

    Granted Householder 18 docs
    Domestic

  • 21C Ailsa Road Twickenham TW1 1QJ

    21/1436/HOT Submitted 23 Apr 2021 0.1 miles away

    Demolition of old single storey prefabricated garage and construction of a proposed single storey side extension

    Granted Householder Extension Demolition 19 docs
    Small domestic

  • 13 Ailsa Road Twickenham Richmond Upon Thames TW1 1QJ

    05/T0272/TCA Submitted 19 Apr 2005 0.1 miles away

    T1 - Eucalyptus gunnii - Crown reduce by 30%

    Granted Trees

  • 23 Ailsa Road Twickenham TW1 1QJ

    PA26/0614 Submitted 24 Feb 2026 0.1 miles away

    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

    Granted Trees 6 docs

  • 23 Ailsa Road Twickenham TW1 1QJ

    23/T0034/TCA Submitted 12 Jan 2023 0.1 miles away

    T1 Robinia pseudoacacia: Fell to ground level Reasons: V shape union largely decayed, poor form, tree has a limited public view and the life expectancy and the amenity is extremely low T2 Magnolia reduce by approx. 1.5m from height and width leaving a finished height and spread of approx. 4.5m - Reason: Routine maintenance

    Granted Trees 6 docs

In Richmond upon Thames

  • PA26/3174 Awaiting decision

    6 Fielding Mews Barnes London SW13 9EY

    Existing roof lantern to be replaced with flat skylight with the same dimensions and installation of skylight

    Received 14 Sep, published by the council 17 Sep 2026 Householder
  • PA26/2509 Refused

    76, Milner Drive, Twickenham, TW2 7PJ

    New front porch to give access to the house from the front elevation. Brick up side door. New bi-fold doors to the rear and internal modifications to improve general access and circulation on the ground floor

    Received 20 Jul, published by the council 26 Jul 2026 Householder
  • PA26/2531 Granted

    15 Wick Road Teddington TW11 9DN

    Proposed single storey rear infill extension.

    Received 21 Jul, published by the council 16 Aug 2026 Householder
  • PA26/2549 Granted

    54A, Somerset Road, Teddington, TW11 8RY

    External alterations including the application of render, the installation of new first-floor rear windows and replacement of existing windows, replacement of the front door, the conversion and extension of the existing garage to residential use and the replacement of its door, and the construction of an infilling single-storey rear extension.

    Received 22 Jul, published by the council 26 Jul 2026 Householder
  • PA26/2517 Granted

    61 Gordon Avenue Twickenham TW1 1NH

    Replacement of openings to rear elevation and modified rear elevation to side extension

    Received 20 Jul, published by the council 26 Jul 2026 Householder