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Planning application

15 Nyes Lane Southwater West Sussex RH13 9GP

Awaiting decision Horsham DC/26/1140 Householder

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Demolition of the existing conservatory and erection of a part single and part two storey rear extension.

As published by the council, reference DC/26/1140

Application record

Reference
DC/26/1140
Type
Householder
Status
Registered
Received
16 Jul 2026
Validated
16 Jul 2026
Ward
Southwater North
Parish
Southwater PC
Decision by
Delegated Decision
Postcode
RH13 9GP

Timeline

Dates from the published record

  1. 16 Jul 2026

    Received by Horsham

  2. 31 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 10 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Horsham took a median of 56 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Blackstone Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2010 · London

36 applications on PlanIndex · across 20 councils · 96% granted

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Documents

Plans, drawings, consultee responses and the officer's report

7 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What happens while it is decided

This application is with Horsham for determination, against a statutory target of eight weeks. Over the last year Horsham decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

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.

Nearby applications

Within 500 metres

  • Roundstone Park Worthing Road Southwater West Sussex

    S106/26/0018 Submitted 18 Mar 2026 99m away

    97% historically approved · decision due ~26 May

    Discharge of Schedule 2, Clauses 2 & 3 (Management Plan) to the s106 agreement pursuant to planning permission DC/22/0096

    Awaiting decision Conditions 3 docs
  • Roundstone Park Worthing Road Southwater West Sussex RH13 9JG

    DISC/24/0215 Submitted 22 Aug 2024 99m away

    Application for Approval of Details Reserved by Conditions 10 & 16 to approved application DC/22/0096

    Granted Conditions 21 docs
  • Roundstone Park Worthing Road Southwater West Sussex

    S106/26/0004 Submitted 2 Feb 2026 99m away

    97% historically approved · decision due ~20 Apr

    Application to modify clauses 1 & 2 of Schedule 2 of the S106 agreement to DC/22/0096 to change the trigger for the payment of the Affordable Housing Contribution.

    Awaiting decision Conditions 6 docs
  • 4 Blakes Farm Road Southwater Horsham West Sussex RH13 9GJ

    DC/26/1166 Submitted 20 Jul 2026 142m away

    98% historically approved · decision due ~14 Sep

    Demolition of existing conservatory and erection of a single storey flat roof extension.

    Awaiting decision Householder Extension Demolition 13 docs
    Small domestic
  • 51 Blakes Farm Road Southwater Horsham West Sussex RH13 9GH

    DC/21/1104 Submitted 13 May 2021 178m away

    Non Material Amendment to previously approved application DC/20/0198 (Erection of single and two storey pitched roof rear extensions) to allow for the permitted utility room to be extended by 1m.

    Withdrawn Amendments Extension 4 docs
  • 7 Cedar Drive Southwater West Sussex RH13 9UF

    DC/26/0803 Submitted 18 May 2026 190m away

    94% historically approved · decision due ~13 Jul

    Variation of Condition 1 of previously approved application reference DC/25/0800 (Erection of a single storey side extension with associated alterations) relating to extending to the rear and simplifying the roof design.

    Awaiting decision Amendments Extension 4 docs
    Small domestic

In Horsham

  • DC/26/1047 Granted

    Hammerhill House Hammerpond Road Plummers Plain Horsham West Sussex RH13 6PE

    Demolition of existing chalet. Erection of a replacement chalet and associated development.

    30 Jun 2026 Householder
  • DC/26/1032 Granted

    3 Oaklands Redford Avenue Horsham West Sussex RH12 2RD

    Demolition of existing conservatory and erection of a single storey rear extension. (Retrospective).

    26 Jun 2026 Householder
  • DC/26/1148 Granted

    20 Nelson Road Horsham West Sussex RH12 2JE

    Erection of single storey rear extension. Erection of rear dormer and installation of 2no front rooflights.

    17 Jul 2026 Householder
  • DC/26/1006 Granted

    1 Avebury Close Horsham West Sussex RH12 5JY

    Demolition of the existing rear conservatory and erection of a single storey rear extension. Part garage conversion into habitable living space. Installation of 2no. front dormers, 2no. rear rooflights and 4no. side rooflights. Alterations to fenestration.

    22 Jun 2026 Householder
  • DC/26/1113 Granted

    Whiteoaks Monkmead Lane West Chiltington West Sussex RH20 2NH

    Demolition of existing conservatory and erection of a two storey extension to northern elevation, conversion of garage into habitable living space, replacement of all windows, installation of new roof covering, installation of new rendering, extension and repositioning of the existing driveway with the erection of a new gated entrance.

    13 Jul 2026 Householder