Rosslyn 5 Trundle Mead Horsham West Sussex RH12 2LY Data via plota.co.uk
Proposal
Conversion of loft into habitable living space, erection of side and rear extensions, re-pitched roof with the installation of front and rear pitched roof dormers. Data via plota.co.uk
Application progress
Approved on 13 Nov 2025 · Last checked 14 Oct 2026
Planning committee
Decided by Horsham Planning Committee on 4 Nov 2025.
Approved
As officers recommended.
- Officers advised approval because the design and extensions would respect the area and avoid harm to neighbours.
- Residents and the neighbourhood council raised concerns about scale, character, bungalow loss, overlooking and neighbouring amenity.
- The committee approved the application in accordance with the officer recommendation.
Source: Plota analysis of Horsham's committee minutes of 4 Nov 2025.
Site constraints 3
Checked on 14 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 3
Last sold for £615,000 in January 2025. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in September 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Horsham - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
How this decision compares
Decided in 115 days from validation, 59 days slower than Horsham's median of 56 for householder applications. Approved, as 98% of householder applications here are.
Plota live figures for householder applications decided by Horsham in the last twelve months, from validation. Horsham decision record →
Public comments
No public comments yet.
6 neighbours consulted · Last counted 14 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14174330
- Planning Portal ref
- PP-14174330
- Comments by
- 28 Aug 2025
- Committee
- 4 Nov 2025
- Statutory expiry
- 15 Sept 2025
- Env. assessment
- No
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Horsham ranks #105 out of 296 councils for householder decision speed. Householder applications are more likely to be approved here than most councils, with a 97% approval rate vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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Rosslyn 5 Trundle Mead Horsham West Sussex RH12 2LY
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