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Planning application

21/02818/HSE

20 Castlemaine Avenue South Croydon CR2 7HQ

Granted Croydon Householder Application

Proposal

The proposal is for alterations and erection of a single storey extension to rear of property, part single part double storey side extension, rebuilding of roof with dormer extension to the rear and rooflights to the front, sides and rear, and top of roof.

As published by the council, reference 21/02818/HSE

Timeline

Dates from the published record

  1. 26 May 2021

    Received by Croydon

  2. 21 Jul 2021

    Decision issued: Permission Granted

  3. 25 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

  • 26/01889/HSE Awaiting decision

    41 Castlemaine Avenue South Croydon CR2 7HU

    Removal of the rear chimney stack and partial removal of a side chimney stack. Structural repair and reduction in height of the remaining two side chimney stacks. Construction of two traditionally styled dormer windows to the rear roof slope, incorporating windows designed to complement the character and appearance of the property. Removal of single sky light and replacement with two new skylights to side hip. Photovoltaic panels to be installed on southern main roof hip.

    30 Jun 2026 48m away Householder
  • 22/05197/CONR Withdrawn

    Rutherford School 1A Melville Avenue South Croydon CR2 7HZ

    Variation of Condition 14 (Landscaping) attached to permission 19/05483/FUL for Demolition of lodge building, alterations, erection of extension to main school to provide additional facilities including multi-use teaching spaces, therapy garden/space, therapy pool and changing facilities, meeting rooms/cafe space, alterations to parking area at front including the provision of 11 parking spaces

    14 Dec 2022 127m away Amendments
  • 23/00506/NMA Granted

    44 Castlemaine Avenue South Croydon CR2 7HR

    Non-material amendment to planning permission ref. 22/00406/HSE for Part demolition of the integrated garage and part demolition of the ground floor side/rear extension including the garden pergola and the shed. Alterations to the rear roofslope, integrated garage, front extension, side/rear extension and flank fenestrations of the existing dwelling. Erection of an interconnected two-storey rear extension and single storey side/rear extensions to the two sides of the site.

    7 Feb 2023 185m away Amendments
  • 25/01918/FUL Awaiting decision

    20 Campden Road South Croydon CR2 7EN

    Change of use to an 8 bedroom HMO.

    10 Jun 2025 249m away Full applications
  • 26/00094/HSE Granted

    18 Melville Avenue South Croydon CR2 7HY

    Demolition of existing attached garage and partial demolition of single storey rear extension. Erection of part single storey/part two storey side and rear extensions, and erection of dormer to rear roof slope and rooflights to front and side roof slope in connection with conversion of roof space to habitable accommodation, together with associated internal alteration works.

    13 Jan 2026 265m away Householder
  • 26/01778/HSE Awaiting decision

    15 Bench Field South Croydon CR2 7HX

    Erection of single-storey front extension, two-storey side and rear extensions, and all associated works.

    19 Jun 2026 272m away Householder

In Croydon

  • 26/01372/HSE Refused

    37 Littleheath Road South Croydon CR2 7SG

    Demolition of existing conservatory and erection of a single-storey rear extension. External alterations including replacement of windows and doors, removal of chimney, replacement of roof coverings and alterations to existing front porch; and associated hard and soft landscaping works to front and rear garden.

    8 May 2026 Householder
  • 26/01630/HSE Refused

    15 Cullesden Road Kenley CR8 5LR

    Erection of single storey rear extension to garage and conversion of garage into annexe. Alterations.

    4 Jun 2026 Householder
  • 26/01468/HSE Refused

    13 Harold Road Upper Norwood London SE19 3PU

    Single storey side/rear extension, rear facing roof dormer, added rooflights, replacement of existing roof and sash windows.

    19 May 2026 Householder
  • 26/01291/HSE Granted

    271 Green Lane Norbury London SW16 3LY

    Erection of single storey rear extension, Erection of single storey side extension, Erection of hip to gable extension and erection of rear dormer. Alterations.

    30 Apr 2026 Householder
  • 26/01316/HSE Granted

    86 Capri Road Croydon CR0 6LF

    Erection of a single-storey rear and side (infill) extension, together with alterations to the existing single-storey rear roof and associated external alterations.

    5 May 2026 Householder