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Planning application

26/01312/PDE

20 Grayscroft Road London SW16 5UP

Awaiting decision Lambeth Householders Extensions Prior Approval

Proposal

Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 4.00m (length), 3.94m (total maximum height) and 2.94m (height to the eaves).

As published by the council, reference 26/01312/PDE

Timeline

Dates from the published record

  1. 27 Apr 2026

    Received by Lambeth

  2. 25 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Lambeth for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 16/05272/FUL Refused

    16 Grayscroft Road London SW16 5UP

    Erection of a single storey ground floor rear extension with installation of a wheel chair ramp to the front and a stairlift to the rear of the property

    6 Sep 2016 11m away Full applications
  • 16/05184/LDCP Granted

    37 Glenister Park Road London SW16 5DS

    Application for a Certificate of Lawful Development (Proposed) with respect to a loft conversion involving the installation of 3no. roof lights to the front roof slope and raising existing chimney.

    31 Aug 2016 111m away Lawful development
  • 26/01055/PDE Decided

    27 Sherwood Avenue London Lambeth SW16 5EW

    Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 6.00m (length), 3.00m (total maximum height) and 2.70m (height to the eaves).

    1 Apr 2026 130m away Prior approval
  • 20/02188/FUL Granted

    23 Streatham Vale London SW16 5SE

    Demolition of existing rear extension and erection of new ground floor rear extension for use as studio flat.

    3 Jul 2020 139m away Full applications
  • 24/02663/PDE Decided

    11 Drakewood Road London Lambeth SW16 5DT

    Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 6.00m (length), 2.98m (total maximum height) and 2.98m (height to the eaves).

    23 Aug 2024 141m away Prior approval
  • 26/01472/DET Awaiting decision

    100 Woodgate Drive London SW16 5YP

    Approval of details pursuant to condition 16 (Acoustics - Residential units in proximity to amenity spaces) of Planning Permission Ref: 22/00300/FUL (Redevelopment of the site, including demolition of all existing buildings and structures, comprising new homes across four new buildings and the provision of flexible Class E floorspace at ground level fronting Streatham Vale and Woodgate Drive. Provision of associated private and communal landscaped amenity areas, play space, disabled parking spaces, refuse storage and cycle parking (consolidated and decentralised) with ancillary workshop.), granted on 07.04.2025.

    14 May 2026 149m away Conditions

In Lambeth

  • 26/01806/PDE Decided

    104 Knollys Road London SW16 2JU

    Application for prior approval for the erection of a single storey ground floor rear and side extensions with dimensions of 6.00m (length), 3.00m (total maximum height) and 3.00m (height to the eaves).

    19 Jun 2026 Prior approval
  • 26/01801/PDE Granted

    51 Glennie Road London SE27 0LX

    Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 4.00m (length), 3.48m (total maximum height) and 2.92m (height to the eaves).

    18 Jun 2026 Prior approval
  • 26/02095/PDE Awaiting decision

    8 Trouville Road London SW4 8QL

    Application for prior approval for the erection of a single storey ground floor rear extension with dimensions of 4.00m (length), 3.20m (total maximum height) and 3.20m (height to the eaves).

    20 Jul 2026 Prior approval
  • 26/01714/PDE Decided

    1 Kemerton Road London SE5 9AP

    Application for prior approval for the erection of a single storey ground floor side infill extension with dimensions of 6.00m (length), 4.00m (total maximum height) and 3.00m (height to the eaves) and new french doors to the rear elevation.

    11 Jun 2026 Prior approval
  • 26/02070/G31 Awaiting decision

    Oakfield School 125 - 127 Thurlow Park Road London SE21 8JJ

    Application for prior approval under Schedule 2, Class B, Part 11 of the Town and Country (General Permitted Development)(England) Order 2015 (as amended) for the demolition of a small timber framed lean-to extension to side elevation.

    16 Jul 2026 Prior approval