21 Ailsa Road, Twickenham

This site has had 2 applications since 2026: 2 approved, 0 refused.

• PA26/0304 Granted

  21 Ailsa Road, Twickenham

  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.

  Decided 13 Mar 2026 Trees

1. 19 Jan 2026

   Received by Richmond upon Thames

2. 9 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 17 Jul 2026

   Decision issued: Granted Permission

4. 26 Jul 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 17 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.

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.

• 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

• 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

• 17, Ailsa Road, Twickenham, TW1 1QJ

  PA26/2041 Submitted 11 Jun 2026 0.1 miles away

  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.

  Refused Householder Extension Loft or dormer +1 37 docs
  Small domestic

• 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

• 25 Ailsa Road Twickenham TW1 1QJ

  PA26/0440 Submitted 10 Feb 2026 0.1 miles away

  Tree Number - T4 Tree Type - Oak (Quercus robur) Approx. Diameter at 1.5m - 0.4m Approx. Height - 11m Approx. Crown Spread Diameter - 9m Location - See map 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 - T5 Tree Type - Holm oak Approx. Diameter at 1.5m - 0.6m Approx. Height - 13m Approx. Crown Spread Diameter - 13m Location - See map 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 - T6 Tree type - Lawson cypress (Chamaecyparis lawsoniana) Approx Height - 15m Location - See map Service - Hedge trimming Work required - Trim annual growth all round as high as possible working off ladders. Take care when trimming as the tree has a history of browning. Reason - As per clients specifications Priority code - ON Tree Number - T7 Tree Type - Hazel Approx. Height - 7m Approx. Crown Spread Diameter - 5m Location - See map Service - Coppice Work Required - Coppice down to fence height Reason - As per clients specification Priority Code - On

  Granted Trees 3 docs
  Small domestic

• 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