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Planning application

05/3137/PS192

4 Powder Mill Lane Twickenham Richmond Upon Thames TW2 6ED

Granted Richmond upon Thames Section 192 Permitted Development

Proposal

The Complete Removal Of An Existing Glass House Followed By The Construction Of The Proposed Loft Conversion With Rear Dormer.

As published by the council, reference 05/3137/PS192

Timeline

Dates from the published record

  1. 19 Oct 2005

    Received by Richmond upon Thames

  2. 14 Dec 2005

    Decision issued: Permitted

  3. 27 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 prior approval applications

How this application type works

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

Nearby applications

Within 500 metres

  • PA26/1714 Awaiting decision

    22, Powder Mill Lane, Twickenham, TW2 6ED

    Loft conversion with rear box dormer and juliet balcony doors, and 3 rooflights to front roof slope.

    18 May 2026 54m away Prior approval
  • PA26/2564 Awaiting decision

    85 Hospital Bridge Road Twickenham Middlesex TW2 6DG

    Hip to gable loft conversion with rear dormer and velux windows to the front.

    23 Jul 2026 93m away Prior approval
  • 05/T0747/TPO Granted

    2 Longford Road Twickenham Richmond Upon Thames TW2 6EA

    T1 - Eucalyptus gunnii - Reduce height by approximately 1/3 and reducing remaining crown by 1.5-2.0 metres.

    26 Nov 2005 111m away Trees
  • PA26/0224 Awaiting decision

    50 Powder Mill Lane Twickenham TW2 6ED

    Erection of a single-storey rear extension

    26 Jan 2026 141m away Householder
  • 21/1950/HOT Granted

    18 Waverley Avenue Twickenham TW2 6DW

    Proposed single storey rear / side extension

    28 May 2021 178m away Householder
  • PA26/2212 Awaiting decision

    Church Of St Augustine Of Canterbury Hospital Bridge Road Twickenham

    T1 Lombardy Poplar (Populus nigra 'Italica') Reduce height by 6-8m. Final height = 18m and final spread = 10m.

    24 Jun 2026 181m away Trees

In Richmond upon Thames

  • PA26/2637 Awaiting decision

    17 Kingsway Mortlake London SW14 7HL

    Rear L Shaped dormer with roof lights on front slope

    29 Jul 2026 Prior approval
  • PA26/2643 Awaiting decision

    22, Michelham Gardens, Twickenham, TW1 4SB

    Proposed loft dormer conversion, internal alterations and addition of Velux to front roof slope.

    29 Jul 2026 Prior approval
  • PA26/2618 Awaiting decision

    Grove Cottage, Lower Teddington Road, Hampton Wick, Kingston Upon Thames, KT1 4HJ

    Erection of a rear garden studio building overlooking the Thames River.

    28 Jul 2026 Prior approval
  • PA26/2615 Awaiting decision

    30, Jubilee Avenue, Twickenham, TW2 6JB

    Loft conversion with roof extension and proposed out building in the rear garden.

    27 Jul 2026 Prior approval
  • PA26/2300 Granted

    16 Enmore Gardens East Sheen London SW14 8RF

    Single storey rear extension, 5m in depth from original house, 3.8m in height and 3m at the eaves.

    30 Jun 2026 Prior approval