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Planning application

PLN/2026/1234

17 FORTHILL PLACE, SHENLEY CHURCH END, MILTON KEYNES, MK5 6FS

Awaiting decision Milton Keynes Lawful development certificate (proposed)

Proposal

Certificate of lawfulness for the proposed loft conversion with two rear dormers and rooflights to front roof slope

As published by the council, reference PLN/2026/1234

Timeline

Dates from the published record

  1. 27 May 2026

    Received by Milton Keynes

  2. 11 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 27 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Milton Keynes for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • PLN/2026/1355 Awaiting decision

    3 RUSHLEYS CLOSE, LOUGHTON, MILTON KEYNES, MK5 8DH

    Erection of single storey side and rear extension

    25 Jun 2026 388m away Householder
  • PLN/2026/0963 Granted

    12 REDDING GROVE, CROWNHILL, MILTON KEYNES, MK8 0BD

    Erection of front porch to replace existing

    11 May 2026 439m away Householder

In Milton Keynes

  • PLN/2026/1139 Refused

    SADDLEGATE, MIDDLE WEALD, CALVERTON, MILTON KEYNES, MK19 6EJ

    Certificate of lawfulness for the existing use of land as residential and the stationing of a mobile home for purposes ancillary to the main dwellinghouse

    29 May 2026 Lawful development
  • PLN/2026/1146 Refused

    14 RUNNYMEDE, GIFFARD PARK, MILTON KEYNES, MK14 5QL

    Certificate of lawfulness for proposed loft conversion with roof alteration, front rooflights, rear dormer window and chimney removal and the erection of a single storey rear conversion with removal of existing conservatory

    1 Jun 2026 Lawful development
  • PLN/2025/1262 Refused

    14 WINCANTON HILL, BLETCHLEY, MILTON KEYNES, MK3 5LJ

    Certificate of lawfulness for the retention of waste skip in relation to renovation work to the dwelling and commercial uses

    18 Jun 2025 Lawful development
  • PLN/2026/1203 Granted

    16 CHALMERS AVENUE, HAVERSHAM, MILTON KEYNES, MK19 7AG

    Lawful development certificate for existing to demonstrate the commencement of planning permission 18/02523/FUL and confirm the permission is extant

    5 Jun 2026 Lawful development
  • PLN/2026/1152 Granted

    7 BRIDGNORTH DRIVE, KINGSMEAD, MILTON KEYNES, MK4 4AJ

    Certificate of lawfulness for proposed erection of a single storey side extension

    1 Jun 2026 Lawful development