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40 Portland Drive, Willen, Milton Keynes, MK15 9JP

PLN/2026/0351Non-Material AmendmentApproved
Discharge / amendments

Approved on 20 March 2026

Delegated (officer decision)

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

Proposal

Non-material amendment seeking to amend window, door and rooflight layout (relating to permission ref. PLN/2025/2249 for Proposed demolition of existing conservatory and roof (part), Construction of new single storey rear extension with vaulted ceiling and installation of new PV array)

Received
20 February 2026
Decision level
Delegated (officer decision)
Ward
Broughton
  1. Received20 Feb
  2. Validated20 Feb
  3. Consult.
  4. Target
  5. Decided20 Mar

Decided in 28 days (council typically 56)

About this application

This is an application to amend a permission at 40 PORTLAND DRIVE, WILLEN, MILTON KEYNES, MK15 9JP. Milton Keynes has handled 206 applications of this type. This one was decided in 28 days, 4 weeks quicker than Milton Keynes's typical decision time. There are no previous applications recorded at this address. In the past year there have been 16 applications across Broughton. We hold 47 applications in total for the MK15 postcode area.

81% of amendment applications at Milton Keynes City 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
MK15 9JP
Application type
Non-Material Amendment
Scale / size
Small
Parish
Campbell Park

Planning application dates

Date validated
20 February 2026
Application expires
20 March 2026

Planning decision

Statutory period
28 days

Additional information

Planning Portal ID
PP-14723013
Documents
7

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Article 4 direction: Article 4 Direction relating to Houses in Multiple Occupation (HIMO) - Immediate direction+1 more
  • Tree Preservation Order: Ref PS/540/15/22
  • Flood zone 1: Low probability (rivers and sea)
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: Milton Keynes

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