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21 Monnow Gardens, West End, Southampton, SO18 3QD

PN/26/101199Prior notificationApproved
Outline / PiP

Approved on 18 May 2026

Council decision: Prior Approval Not RequiredDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Prior Notification for the construction of a single storey rear extension (depth 4 metres, eaves height not exceeding 3 metres, and maximum height not exceeding 4 metres), following removal of existing conservatory.

Received
2 April 2026
Decision level
Delegated (officer decision)
Ward
West End South Ward
  1. Received2 Apr
  2. Validated16 Apr
  3. Consult.10 May
  4. Target28 May
  5. Decided18 May

Decided in 32 days (council typically 49)

About this application

This is an outline application for a single storey rear extension at 21 MONNOW GARDENS, WEST END, SOUTHAMPTON, SO18 3QD. Eastleigh has handled 135 applications of this type. This one was decided in 46 days, 3 days quicker than Eastleigh's typical decision time. There are no previous applications recorded at this address. In the past year there have been 33 applications across West End South Ward. We hold 120 applications in total for the SO18 postcode area.

74% of outline applications at Eastleigh Borough Council were approved. Across all application types, the council typically decides in about 7 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
SO18 3QD
Application type
Prior notification
Development type
Notification for Prior Approval for Larger Household Extension
Scale / size
Small
Parish
West End CP

Planning application dates

Date validated
16 April 2026
Consultation expiry
10 May 2026
Consultation end
10 May 2026
Last date for comments
10 May 2026
Target decision date
28 May 2026

Applicant and agent

Agent address
19 ST. JAMES PARK ROAD SHIRLEY, SOUTHAMPTON, SO16 6HL

Planning decision

Case officer
Sarah Douglas
Statutory period
42 days

Additional information

Planning Portal ID
14830949
Documents
10

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Nutrient neutrality catchment: River Itchen SACApplies to new homes and overnight accommodation · +1 more
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

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, 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: Eastleigh

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