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Planning application

21/1436/HOT

21C Ailsa Road Twickenham TW1 1QJ

Granted Richmond upon Thames Householder Application

Proposal

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

As published by the council, reference 21/1436/HOT

Timeline

Dates from the published record

  1. 23 Apr 2021

    Received by Richmond upon Thames

  2. 30 Apr 2021

    Validated

    Checked as complete and ready for consideration.

  3. 13 Jul 2021

    Decision issued: Granted Permission

  4. 26 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • PA26/0162 Granted

    21 Ailsa Road, Twickenham

    Replacement front garden wall.

    19 Jan 2026 20m away Householder
  • PA26/2041 Awaiting decision

    17, Ailsa Road, Twickenham, TW1 1QJ

    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.

    11 Jun 2026 38m away Householder
  • 06/T0080/TCA Granted

    St Margarets Lake Grounds St Margarets Drive Twickenham Richmond Upon Thames TW1

    T1 - 22 Turkey Oak (Quercus cerris) - Clean up corwn damaged in gales. T2 - 26 Tree of Heaven (Ailanthus altissima) - Lightly crown lift. Reduce excessively extended branches. Clear dead wood and ivy stems. T3 - 29 Sweet Chestnut (Castanaea sativa) - Reduce large high branch with large central cavity. Remove branches with bark loss. Crown prune. T4 - 30 Oak (Quercus spp.) - Reduce largest limb for safety. T5 - 47 Plane (Platanus spp.) - Remove crossing branches. Remove large dead branch. T6 - Oak sapling (Quercus spp.) - Excavate and move to a more suitable location. T7 - 23 Horse Chestnut (Aesculus hippocastanum) - Reduce longest limbs to alleviate pressure. T8 - 5 Lime (Tilia spp.) - Remove large dead limbs at the top. Crown prune. Remove dead wood. T9 - Oak (Quercus spp.) - Cut back overhang.

    30 Jan 2006 91m away Trees
  • 06/T0183/TCA Granted

    15 St Margarets Drive Twickenham Richmond Upon Thames TW1 1QL

    T1 - Pine (Pinus spp.) - Fell. T2 - Pine (Pinus spp.) - Fell.

    14 Mar 2006 98m away Trees
  • 06/T0067/TCA Granted

    Boundary House St Margarets Road Twickenham Richmond Upon Thames TW1 1NW

    T1 - Ash (Fraxinus excelsior) - Remove all limbs overhanging boundary to neighbouring property. T2 - Holly (Ilex aquifolium) - Reduce and shape by 20%

    23 Jan 2006 113m away Trees
  • PA26/2252 Awaiting decision

    42, Ailsa Road, Twickenham, TW1 1QW

    Leyland cypress: Fell and remove stump. Circled in Red - at the back of the property. There is no tree preservation order. The tree in question is a Leyland cypress which is approximately 17 metres in height and growing. It has a stem diameter of 580mm (measures at 1.6metres in height). The tree is located on my northern boundary and along the boundary wall of number 44 Ailsa Road as shown on the site plan attached. I have already applied to fell and remove the other Leyland cypress and now feel that this one may cause damage as well - it is currently pulling up the wooden boarder and likely to be better to take both trees down at the same time to avoid disruption. They are close together so likely to affect each other. If the tree is allowed to grow to maturity, it may grow to excess of 30metres in height and achieve a 1000mm stem diameter. There are no prominent features, it is no native to the UK and necessarily adding to the value of the local area. The loss would have no impact on the area as we back on to the St Margarets Pleasure Grounds where there are many large and beautiful trees exists so the loss of this tree would have no adverse impact on the local area.

    29 Jun 2026 117m away Trees

In Richmond upon Thames

  • PA26/2232 Withdrawn

    9, Maze Road, Kew, Richmond, TW9 3DA

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    25 Jun 2026 Householder
  • PA26/2136 Granted

    21 Lower Mortlake Road Richmond TW9 2LR

    Rear single-storey extension.

    16 Jun 2026 Householder
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    41 Glebe Road Barnes London SW13 0EB

    The replacement of existing poor repair windows with high quality double-glazed units. The proposed replacement windows will replicate the original design, preserving the historic character of the property while addressing modern requirements for energy efficiency and noise reduction.

    29 Jul 2026 Householder
  • PA26/2642 Awaiting decision

    32 Kings Road East Sheen London SW14 8PF

    Demolition of the existing rear extension and erection of a single-storey rear extension.

    29 Jul 2026 Householder
  • PA26/1339 Granted

    22, Michelham Gardens, Twickenham, TW1 4SB

    Rear dormer roof extension. Rooflights to front elevation

    16 Apr 2026 Householder