Planning application
27 Old Windmill Way Long Crendon Buckinghamshire HP18 9BQ
Works: Extension 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
Certificate of lawfulness for the proposed partial garage conversion and single storey side extension.
As published by the council, reference PL/26/02090/SA
Application record
- Reference
- PL/26/02090/SA
- Type
- Certificate of Lawful Use - Proposed
- Status
- Decided
- Decision
- Granted As published: Cert of Law PROPOSED-granted
- Received
- 13 Mar 2026
- Validated
- 13 Mar 2026
- Decided
- 7 May 2026
- Ward
- Long Crendon
- Parish
- Long Crendon
- Decision by
- Delegated Decision
- Postcode
- HP18 9BQ
Timeline
Dates from the published record
-
13 Mar 2026
Received by Buckinghamshire
-
7 May 2026
Decision issued: Cert of Law PROPOSED-granted
-
12 Sep 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
PCMS Design Agent, a design practice
23 applications on PlanIndex · across 4 councils · 100% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
3 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 documentsWhat this grant of permission means
Buckinghamshire granted permission on 7 May 2026, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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17 Old Windmill Way Long Crendon Buckinghamshire HP18 9BQ
85% historically approved · decision due ~7 Oct
Single storey front extension.
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66% historically approved · decision due ~23 Jan
Outline planning permission for erection of up to 97 dwellings (of which 25% would be affordable homes), together with access and footways, highways and drainage works, car park/parking, open space, amenity space, landscaping, play area(s) and associated infrastructure
Awaiting decision Outline 34 docsMajor scheme -
Reflections 18A Chilton Road Long Crendon Buckinghamshire HP18 9BU
85% historically approved · decision due ~24 Nov
Householder application for the construction of a single storey rear infill extension
Awaiting decision ExtensionSmall domestic -
6 Chilton Road Long Crendon Buckinghamshire HP18 9BU
85% historically approved · decision due ~17 Nov
Holly (T1) - Fell - reason: damaging wall and to allow more light into the property and Cherry (T2) - Fell - reason: to allow more light into the property and to stop future damage to foundations of property.
Decided -
27 Chilton Road Long Crendon Buckinghamshire HP18 9BU
85% historically approved · decision due ~24 Sep
Certificate of lawfulness for proposed drop kerb and hardstanding
Decided -
6 Bonnersfield Long Crendon Buckinghamshire HP18 9DJ
Certificate of Lawfulness for Proposed vehicular access and permeable hardstanding, drop kerb with shingle driveway
Granted Lawful development 3 docs
Other lawful development applications
In Buckinghamshire
-
PL/26/01937/SA Granted
63 Ingram Avenue Aylesbury Buckinghamshire HP21 9DJ
Certificate of lawfulness for proposed dropped kerb.
-
PL/26/02452/SA Granted
217A Desborough Avenue High Wycombe Buckinghamshire HP11 2TW
Certificate of lawfulness for the proposed erection of an outbuilding.
-
PL/26/00836/SA Granted
33 South View Downley Buckinghamshire HP13 5UL
Certificate of lawfulness for the proposal to create new access at the front of the property.
-
PL/26/07553/SA Awaiting decision
4 Marlborough Road Aylesbury Buckinghamshire HP21 8AU
Certificate of Lawfulness for proposed new vehicular crossover (dropped kerb) to 4.6m total width including transition kerbs, with associated enlargement of the opening in the front boundary wall, and formation of a permeable hardstanding within the front garden to provide off-street parking for the existing dwellinghouse. Works are engineering/building operations as defined by s55 TCPA 1990. No change of use is proposed; the dwelling remains in Use Class C3. Existing drop kerb reinstated.
-
PL/26/07397/EU Awaiting decision
22 Priory Road High Wycombe Buckinghamshire HP13 6SL
Certificate of lawfulness for existing use of property as a block of eight self-contained flats, each falling within use class C3.