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Planning application

54 Lilly Hill Olney MK46 5EZ

Refused Milton Keynes 20/01325/CLUP Lawful development certificate (proposed)

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Certificate of lawfulness for the proposed single storey rear extension

As published by the council, reference 20/01325/CLUP

Application record

Reference
20/01325/CLUP
Type
Lawful development certificate (proposed)
Status
Decision Made
Decision
Refused
Received
8 Jun 2020
Validated
11 Jun 2020
Decided
4 Aug 2020
Ward
Olney (Historic 2026)
Parish
Olney
Decision by
Delegated Decision
Postcode
MK46 5EZ

Timeline

Dates from the published record

  1. 8 Jun 2020

    Received by Milton Keynes

  2. 11 Jun 2020

    Validated

    Checked as complete and ready for consideration.

  3. 4 Aug 2020

    Decision issued: Refused

  4. 1 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, a design practice

6 applications on PlanIndex · across 2 councils

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Documents

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

5 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.

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Open the documents

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

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    20/00019/FUL Submitted 7 Jan 2020 57m away

    First Floor Side Extension

    Granted Full applications Extension 6 docs

  • Land Adjacent 30 Stilebrook Road Olney

    19/02737/NMA Submitted 16 Oct 2019 157m away

    Non material amendment to application 19/01089/FUL to change the colour of fire escape doors from light grey to anthracite (dark grey).

    Granted Amendments 7 docs

  • Land Adjacent 30 Stilebrook Road Olney

    19/02736/NMA Submitted 16 Oct 2019 157m away

    Non material amendment to application 19/01089/FUL for the relocation of Bird and Bat boxes from face of building to adjacent trees within the site.

    Withdrawn Amendments Trees 4 docs

  • Land Adjacent 30 Stilebrook Road Olney

    19/03020/FULMMA Submitted 12 Nov 2019 157m away

    Variation of condition 1 (approved plans) and condition 15 (bird and bat boxes) attached to planning permission 19/01089/FUL to add first floor mezzanine and first floor windows, and move bird and bat boxes from building to trees.

    Granted Amendments Windows or glazing Trees 10 docs

  • Unit 32 To 40 Stilebrook Road Olney MK46 5EA

    20/00440/ADV Submitted 19 Feb 2020 170m away

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  • 43 WELLINGBOROUGH ROAD, OLNEY, MK46 4BJ

    PLN/2025/1820 Submitted 2 Sep 2025 173m away

    The erection of a single storey side extension with roof lights and loft conversion including roof lights to front and rear roof slopes

    Granted Householder Extension Loft or dormer 6 docs
    Small domestic

In Milton Keynes

  • PLN/2026/1586 Withdrawn

    4 BROMHAM MILL, GIFFARD PARK, MILTON KEYNES, MK14 5QP

    Certificate of lawfulness for the proposed garage conversion and side extension

    29 Jul 2026 Lawful development
  • PLN/2026/1370 Refused

    15 CASTLE ROSE, WOUGHTON PARK, MILTON KEYNES, MK6 3BQ

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    29 Jun 2026 Lawful development
  • PLN/2026/1393 Refused

    2 GREATCHESTERS, BANCROFT, MILTON KEYNES, MK13 0PA

    Certificate of lawfulness for the proposed demolition of existing conservatory, erection of a new rear extension, infill the space under the carport and loft conversion with a rear dormer

    2 Jul 2026 Lawful development
  • PLN/2026/1741 Awaiting decision

    5 Spring Mews, Sherington, MK16 9FT

    Certificate of lawfulness for the existing detached rear outbuilding for use as a garden studio

    18 Aug 2026 Lawful development
  • PLN/2026/1170 Granted

    61 WINDSOR STREET, BLETCHLEY, MILTON KEYNES, MK2 2LN

    Certificate of lawfulness for proposed loft conversion with rear and side dormer extension and rooflights to front roof slope

    2 Jun 2026 Lawful development