Skip to content
PlanIndex Get alerts
Menu

Planning application

40 PORTLAND DRIVE, WILLEN, MILTON KEYNES, MK15 9JP

Granted Milton Keynes PLN/2025/2249 Householder planning permission

Works: Extension Demolition Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Proposed demolition of existing conservatory and roof (part), Construction of new single storey rear extension with vaulted ceiling and installation of new PV array

As published by the council, reference PLN/2025/2249

Application record

Reference
PLN/2025/2249
Type
Householder planning permission
Status
Decision Made
Decision
Granted As published: Approved with Conditions
Received
24 Oct 2025
Validated
24 Oct 2025
Decided
18 Dec 2025
Ward
Broughton
Parish
Campbell Park
Decision by
Delegated Decision
Postcode
MK15 9JP

Site history

Applications at this address on the Milton Keynes register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • PLN/2026/0351 Granted

    40 PORTLAND DRIVE, WILLEN, MILTON KEYNES, MK15 9JP

    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)

    Decided 20 Mar 2026 Amendments

Timeline

Dates from the published record

  1. 24 Oct 2025

    Received by Milton Keynes

  2. 18 Dec 2025

    Decision issued: Approved with Conditions

  3. 10 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • PLN/2026/0351 Granted

    40 PORTLAND DRIVE, WILLEN, MILTON KEYNES, MK15 9JP

    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)

    Decided 20 Mar 2026 Amendments

Documents

Plans, drawings, consultee responses and the officer's report

17 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Milton Keynes granted permission on 18 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 40 PORTLAND DRIVE, WILLEN, MILTON KEYNES, MK15 9JP

    PLN/2026/0351 Submitted 20 Feb 2026 50 yards away

    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)

    Granted Amendments Extension Loft or dormer +2 7 docs
    Small domestic
  • 2 Linford Lane Willen Milton Keynes MK15 9DL

    19/03419/FUL Submitted 20 Dec 2019 100 yards away

    Alterations to existing dwelling and single storey side extension.

    Granted Full applications Extension 22 docs
    Small domestic
  • 2 Linford Lane Willen Milton Keynes MK15 9DL

    20/01603/NMA Submitted 2 Jul 2020 100 yards away

    Non material amendment to application 19/03419/FUL for the formation of Porch to south (front) elevation by insetting entrance doorway, relocation of x1 skylight from east (side) elevation to north (rear) elevation, minor fenestration alterations (slight move of windows and doors and removal kitchen window) and colour of fenestration to be changed to RAL 7004 (Signal Grey).

    Granted Amendments Extension Windows or glazing 7 docs
    Small domestic
  • 42 Portland Drive Willen Milton Keynes MK15 9JP

    22/02616/CLUP Submitted 18 Oct 2022 100 yards away

    Certificate of Lawfulness for proposed alterations to adhere to the requirements of enforcement notice 4 (ENF/18/00283/COMPCH) as modified by appeal decision APP/Y0435/C/20/3247864

    Refused Lawful development 18 docs
  • 2 Linford Lane Willen Milton Keynes MK15 9DL

    20/00996/DISCON Submitted 24 Apr 2020 100 yards away

    Details submitted for discharge of condition 3 (Arboricultural survey/report, impact/method statemen and tree protection plan) condition 4 (construction details, nil-excavation an hard surfacng Gym and Car Port), condition 5 (method statement for execution of boundary works within RPA) and 6 (Schedule of external materials) relating to planning application 19/03419/FUL.

    Granted Conditions Trees 9 docs
  • Fox Covert 1 Linford Lane Willen Milton Keynes MK15 9DL

    20/01333/FUL Submitted 8 Jun 2020 150 yards away

    Alterations to dwelling: front extension with attic accommodation connecting to associated rooms and 2 storey front porch; replacement roof; single-storey side/rear extension; side extension with projecting rear canopy and attic room joined to remodelled outbuilding including front and side extensions to the latter to form west wing of dwelling incorporating triple garage with attic accommodation and associated rooms above; reconfiguration of driveway and installation of sliding access gate; associated landscaping.

    Refused Full applications Extension Roofing 44 docs
    Small domestic

In Milton Keynes

  • PLN/2026/1700 Granted

    63 MOORES HILL, YARDLEY ROAD, OLNEY, MK46 5DY

    Proposed erection of a single storey rear extension and front porch extension

    Received 12 Aug, published by the council 22 Aug 2026 Householder
  • PLN/2026/1279 Granted

    12 STATHAM PLACE, OLDBROOK, MILTON KEYNES, MK6 2HD

    Proposed demolition of existing rear facing conservatory, the erection of a single storey side extension, erection of front & rear extensions with conversion of garage into habitable space and a new hardstanding area to the front for off road parking

    Received 16 Jun, published by the council 27 Jul 2026 Householder
  • PLN/2026/1666 Granted

    148 CAMBRIDGE STREET, WOLVERTON, MILTON KEYNES, MK12 5AQ

    Replacement windows and entrance door to front elevation (part retrospective)

    Received 5 Aug, published by the council 22 Aug 2026 Householder
  • PLN/2026/1612 Granted

    68 HENGISTBURY LANE, TATTENHOE, MILTON KEYNES, MK4 3EL

    Installation of a dormer extension and rooflights to front roof slope and rooflights to rear roofslope.

    Received 31 Jul, published by the council 22 Aug 2026 Householder
  • PLN/2026/1516 Granted

    252 PRIESTLEY DRIVE, TATTENHOE PARK, MILTON KEYNES, MK4 4QB

    Erection of a pergola structure with polycarbonate roof covering to the rear of the house and a single storey garden office (retrospective)

    Received 17 Jul, published by the council 4 Aug 2026 Householder