Planning application
40 PORTLAND DRIVE, WILLEN, MILTON KEYNES, MK15 9JP
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
- 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)
Timeline
Dates from the published record
-
24 Oct 2025
Received by Milton Keynes
-
18 Dec 2025
Decision issued: Approved with Conditions
-
10 Aug 2026
Added to PlanIndex
Related applications
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)
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.
Trade members open them from here.
Open the documentsWhat 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 500 metres
-
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)
Granted Amendments Extension Loft or dormer +2 7 docsSmall domestic -
2 Linford Lane Willen Milton Keynes MK15 9DL
Alterations to existing dwelling and single storey side extension.
Granted Full applications Extension 22 docsSmall domestic -
2 Linford Lane Willen Milton Keynes MK15 9DL
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 docsSmall domestic -
42 Portland Drive Willen Milton Keynes MK15 9JP
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
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.
Decided Conditions Trees 9 docs -
Fox Covert 1 Linford Lane Willen Milton Keynes MK15 9DL
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 docsSmall domestic
Other householder applications
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-
PLN/2026/1194 Granted
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Erection of two storey front, side and rear extensions and alterations to existing fenestrations
-
PLN/2026/1183 Granted
163 BROADLANDS, NETHERFIELD, MILTON KEYNES, MK6 4HN
Erection of a single storey rear extension and conversion of garage
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PLN/2026/1388 Granted
7 HOLLAND WAY, WALTON, MILTON KEYNES, MK7 7FB
Retention of existing air conditioning units
-
PLN/2026/1802 Awaiting decision
44 BERNAY GARDENS, BOLBECK PARK, MILTON KEYNES, MK15 8QD
Removal of front porch & proposed single storey front extension with roof light
-
PLN/2026/1187 Granted
7 MORTON ROAD, EAGLE FARM SOUTH, MILTON KEYNES, MK17 7BS
Erection of a single storey rear extension