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Planning application

Sedgwick Castle House Broadwater Lane Copsale West Sussex RH13 6QJ

Awaiting decision Horsham DC/26/1196 Householder

Works: Extension Windows or glazing 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

Remodelling of existing dwelling comprising a two storey front extension, infill beneath existing undercroft to rear of dwelling, new external fenestration and external finishes.

As published by the council, reference DC/26/1196

Application record

Reference
DC/26/1196
Type
Householder
Status
Registered
Received
27 Jul 2026
Validated
27 Jul 2026
Ward
Nuthurst and Lower Beeding
Parish
Nuthurst PC
Decision by
Delegated Decision
Postcode
RH13 6QJ

Site history

Applications at this address on the Horsham register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • DISC/26/0184 Decided

    Sedgwick Castle House Broadwater Lane Copsale West Sussex RH13 6QJ

    Application for Approval of Details Reserved by Condition 3 and 4 for approved application DC/25/0630

    Submitted 16 Jun 2026 Conditions
  • DC/25/1775 Granted

    Sedgwick Castle House Broadwater Lane Copsale West Sussex RH13 6QJ

    Variation of Condition 1 of previously approved application DC/25/0630 (Erection of a detached garage) to add new fenestration and an external staircase so that the first floor may be used for a home office and gym.

    Decided 29 Dec 2025 Amendments

Timeline

Dates from the published record

  1. 27 Jul 2026

    Received by Horsham

  2. 12 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 21 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.

Cases linked to this one on the register

  • Application: DC/25/0630 (Decided)
  • Application: DC/25/1775 (Decided)
  • Application: DISC/26/0184 (Decided)

Who's behind it

Company information only, from the register and Companies House

dk planning & design Agent, a planning consultancy

41 applications on PlanIndex · across 6 councils · 96% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

15 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.

Watch members (£5 a month) open the document list from here.

Open the documents

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 0.3 miles

  • Sedgwick Castle House Broadwater Lane Copsale West Sussex RH13 6QJ

    DISC/26/0184 Submitted 16 Jun 2026 50 yards away

    97% historically approved · decision due ~11 Aug

    Application for Approval of Details Reserved by Condition 3 and 4 for approved application DC/25/0630

    Decided Conditions 6 docs

  • Sedgwick Castle House Broadwater Lane Copsale West Sussex RH13 6QJ

    DC/25/1775 Submitted 3 Nov 2025 50 yards away

    Variation of Condition 1 of previously approved application DC/25/0630 (Erection of a detached garage) to add new fenestration and an external staircase so that the first floor may be used for a home office and gym.

    Granted Amendments Windows or glazing 10 docs

  • New House Farm Broadwater Lane Copsale West Sussex RH13 6QW

    DC/26/0814 Submitted 19 May 2026 0.3 miles away

    83% historically approved · decision due ~14 Jul

    Prior Notification for change of use of agricultural buildings to 7 dwellinghouses.

    Decided Prior approval 18 docs
    Several homes

  • New House Farm Broadwater Lane Copsale West Sussex RH13 6QW

    DC/26/1364 Submitted 25 Aug 2026 0.3 miles away

    83% historically approved · decision due ~20 Oct

    Prior Notification for the Change of Use of 2no. buildings together with associated operational development to residential use (C3) to provide 7no. dwellings.

    Awaiting decision Prior approval 22 docs
    Several homes

  • Little Coltstaple Farm Coltstaple Lane Horsham West Sussex RH13 9BB

    DC/21/1299 Submitted 3 Jun 2021 0.3 miles away

    Repairs to original oak frame and new insulation in wall panels with weatherboarding to external elevations. Re-tiling of roof using reclaimed tiles and replacement/repair of some windows. Internal alteration including division of existing first floor bathroom into two bathrooms and conversion of ground floor shower room into a wet room (Listed Building Consent).

    Granted Heritage and listed buildings Roofing Windows or glazing 25 docs

In Horsham

  • DC/26/1294 Granted

    Meadow Cottage Wineham Lane Wineham West Sussex BN5 9AY

    Erection of single storey rear extension and replacement of timber garage roof and walls.

    Received 12 Aug, published by the council 2 Sep 2026 Householder
  • DC/26/1291 Granted

    The Spinney Melrose Place Storrington West Sussex RH20 3HH

    Erection of a single-storey rear extension.

    Received 11 Aug, published by the council 2 Sep 2026 Householder
  • DC/26/1279 Granted

    21 Wood Croft Billingshurst West Sussex RH14 9XL

    Erection of a single storey rear extension.

    Received 10 Aug, published by the council 2 Sep 2026 Householder
  • DC/26/1264 Granted

    25 Springfield Park North Parade Horsham West Sussex RH12 2BF

    Loft conversion with installation of front and rear roof lights.

    Received 6 Aug, published by the council 23 Aug 2026 Householder
  • DC/26/1260 Granted

    34 Staples Barn Henfield West Sussex BN5 9PN

    Erection of front porch and alterations to front elevation, replacement of existing brickwork and tile hanging and replacement of existing flat roof with pitched roof.

    Received 6 Aug, published by the council 23 Aug 2026 Householder