9 Highlands Road Seaford East Sussex BN25 1SL
Approved on 23 April 2026
Delegated (officer decision)
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Hip to gable roof extension and addition of rear dormer
- Received
- 18 February 2026
- Decision level
- Delegated (officer decision)
- Council
- Lewes District Council
- Ward
- Seaford South
- Agent
- 3-D Architecture Ltd
- ReceivedReceived18 Feb
- ValidatedValidated27 Feb
- Consult.Consultation30 Mar
- TargetTarget Date17 Apr
- DecidedDecided23 Apr
Decided in 55 days (council typically 56)
About this application
This is a full planning application for a dormer extension at 9 Highlands Road Seaford East Sussex BN25 1SL. Lewes has handled 2,780 applications of this type. This one was decided in 64 days, 8 days longer than Lewes's typical decision time. There are no previous applications recorded at this address. In the past year there have been 9 applications across Seaford South. We hold 1,428 applications in total for the BN25 postcode area.
92% of full applications at Lewes District Council were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- BN25 1SL
- Application type
- Householder Planning Permission
- Scale / size
- Small
- Parish
- Seaford
Planning application dates
- Date validated
- 27 February 2026
- Consultation expiry
- 3 April 2026
- Consultation start
- 2 March 2026
- Consultation end
- 30 March 2026
- Neighbour consultation start
- 4 March 2026
- Neighbour consultation end
- 1 April 2026
- Last date for comments
- 3 April 2026
- Target decision date
- 17 April 2026
- Permission expires
- 23 April 2031
Applicant and agent
- Agent
- 3-D Architecture Ltd
- Architect profile
- 3-D ARCHITECTURE LIMITED
- Agent address
- Suite G Kennett House The Office Village Uckfield TN22 1SL
Planning decision
- Statutory period
- 49 days
Publicity
- Last advertised
- 6 March 2026
- Advertisement expiry
- 3 April 2026
- Site notice start
- 11 March 2026
- Site notice end
- 1 April 2026
Additional information
- Planning Portal ID
- PP-14707620
- Documents
- 14
- Constraints
- 9
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.
Also checked, none recorded (22)
flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Source: Lewes
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Around this site
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For applicants and trades
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Find contractors for extensions near this site- Complete Electrical Service LtdElectrician0.3 mi
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Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.