Planning application
Dorlyn House London Road Ashington West Sussex RH20 3JT
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of a single storey and two storey rear extensions, loft conversion with front and rear rooflighs, and alteration to fenestration.
As published by the council, reference DC/25/1472
Application record
- Reference
- DC/25/1472
- Type
- Householder
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 15 Sep 2025
- Validated
- 23 Sep 2025
- Decided
- 18 Nov 2025
- Ward
- West Chiltington, Thakeham and Ashington
- Parish
- Ashington PC
- Decision by
- Delegated Decision
- Postcode
- RH20 3JT
Site history
Applications at this address on the Horsham register
This site has had 3 applications since 2025: 1 approved, 1 refused.
-
DC/26/1362 Awaiting decision
Dorlyn House London Road Ashington West Sussex RH20 3JT
Variation of condition 3 of previously approved application reference DC/25/1472 (Erection of a single storey and two storey rear extensions, loft conversion with front and rear roof lights, and alteration to fenestration) changes to external finishes.
-
DC/26/0131 Refused
Dorlyn House London Road Ashington West Sussex RH20 3JT
Conversion of existing 1no. 3 bedroom flat into 1no. 1 bedroom flat and 1no. 3 bedroom flat, conversion of the loft into habitable living space with the installation of 3no. rooflights, erection of a two storey and single storey rear extension, and alterations to fenestration.
Timeline
Dates from the published record
-
15 Sep 2025
Received by Horsham
-
23 Sep 2025
Validated
Checked as complete and ready for consideration.
-
18 Nov 2025
Decision issued: Application Permitted
-
12 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
DC/26/1362 Awaiting decision
Dorlyn House London Road Ashington West Sussex RH20 3JT
Variation of condition 3 of previously approved application reference DC/25/1472 (Erection of a single storey and two storey rear extensions, loft conversion with front and rear roof lights, and alteration to fenestration) changes to external finishes.
Who's behind it
Company information only, from the register and Companies House
RMR Architecture Ltd Agent, an architecture practice registered in Worthing
Dissolved · incorporated 2019 · Worthing
35 applications on PlanIndex · across 5 councils · 79% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
8 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 documentsWhat this grant of permission means
Horsham granted permission on 18 November 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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
-
Dorlyn House London Road Ashington West Sussex RH20 3JT
92% historically approved · decision due ~3 Nov
Variation of condition 3 of previously approved application reference DC/25/1472 (Erection of a single storey and two storey rear extensions, loft conversion with front and rear roof lights, and alteration to fenestration) changes to external finishes.
Awaiting decision Amendments Extension Loft or dormer +1 7 docsSmall domestic -
Dorlyn House London Road Ashington West Sussex RH20 3JT
Conversion of existing 1no. 3 bedroom flat into 1no. 1 bedroom flat and 1no. 3 bedroom flat, conversion of the loft into habitable living space with the installation of 3no. rooflights, erection of a two storey and single storey rear extension, and alterations to fenestration.
Refused Full applications Extension Loft or dormer +1 12 docsSmall domestic -
Sunbeams London Road Ashington West Sussex RH20 3JT
Creation of wider vehicular access
Granted Householder 10 docsDomestic -
Land East of The Lawns London Road Ashington West Sussex RH20 3JR
81% historically approved · decision due ~20 Oct
Erection of 2 dwellings, gardens, parking and associated works
Awaiting decision Full applications 14 docsSeveral homes -
Four Acres Rectory Lane Ashington Pulborough West Sussex RH20 3LH
Erection of 1 residential dwelling, parking and access
Refused Full applicationsDomestic -
The Lawns London Road Ashington West Sussex RH20 3JR
98% historically approved · decision due ~22 Jan
Erection of a single storey rear extension replacing conservatory, first floor extension and balcony/terrace balustrading (Retrospective).
Awaiting decision Householder Extension 9 docsSmall domestic
Other householder applications
In Horsham
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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.
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DC/26/1291 Granted
The Spinney Melrose Place Storrington West Sussex RH20 3HH
Erection of a single-storey rear extension.
-
DC/26/1279 Granted
21 Wood Croft Billingshurst West Sussex RH14 9XL
Erection of a single storey rear extension.
-
DC/26/1264 Granted
25 Springfield Park North Parade Horsham West Sussex RH12 2BF
Loft conversion with installation of front and rear roof lights.
-
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.