Skip to content

12 Mountfield Road Lewes East Sussex BN7 2UR

SDNP/26/01035/HOUSHouseholderApproved

Approved on 8 May 2026

Delegated (officer decision)

Site boundary (council red line)

Proposal

Erection of single-storey side extension and front porch extension

Received
16 March 2026
Decision level
Delegated (officer decision)
Council
South Downs
Ward
Lewes Priory Ward
Agent
Ben Jones Architects
  1. Received16 Mar
  2. Validated16 Mar
  3. Consult.15 Apr
  4. Target11 May
  5. Decided8 May

Decided in 53 days (council typically 56)

About this application

This is a full planning application for a single storey side extension at 12 Mountfield Road Lewes East Sussex BN7 2UR. South Downs has handled 5,093 applications of this type. This one was decided in 53 days, 3 days quicker than South Downs's typical decision time. There are no previous applications recorded at this address. In the past year there have been 69 applications across Lewes Priory Ward. We hold 4,321 applications in total for the BN7 postcode area.

88% of full applications at South Downs 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
BN7 2UR
Application type
Householder
Scale / size
Small
Parish
Lewes Town Council

Planning application dates

Date validated
16 March 2026
Last date for comments
15 April 2026
Target decision date
11 May 2026
Permission expires
8 May 2029

Applicant and agent

Agent
Ben Jones Architects
Agent address
47 Priory Street Lewes BN7 1HJ

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14766159
Documents
15

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • National park: South Downs
  • Brownfield land register: East Sussex College Group, Mountfield Road LewesRegister site at or near this address
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: Article 4 directions and tree preservation orders.

Also checked, none recorded (20)

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 Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves and heritage coasts.

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: South Downs

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near BN7

New planning applications delivered to your inbox daily.

Around this site

For applicants and trades

Planning something similar?

See what the council approved and refused for single-storey side extensions on your street. Pick your home and get the evidence before you pay for drawings.