Planning application
26/0813/CLP
37 Ayot Path Borehamwood Hertfordshire WD6 5BL
Proposal
Construction of single storey rear extension and detached garage to rear garden; conversion of loft to habitable space with rear dormer and Juliet balcony, and insertion of 3x front rooflights. Certificate of Lawful Development (Proposed).
As published by the council, reference 26/0813/CLP
Timeline
Dates from the published record
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11 Jun 2026
Received by Hertsmere
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24 Jul 2026
Added to PlanIndex
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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 Hertsmere 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.
Nearby applications
Within 500 metres
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26/0814/CLP Awaiting decision
38 Ayot Path Borehamwood Hertfordshire WD6 5BL
Construction of single storey rear extension and detached double garage to rear garden, following demolition of existing rear outbuilding; conversion of loft to habitable space with rear dormer and Juliet balcony, and insertion of 3x front rooflights. Certificate of Lawful Development (Proposed).
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26/0438/HSE Granted
76 Stapleton Road Borehamwood Hertfordshire WD6 5BW
Single storey side and rear extension and front porch. (Retrospective application) (amended description)
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21/1236/HSE Granted
34 Stapleton Road Borehamwood Hertfordshire WD6 5BP
Construction of an outbuilding (Part-Retrospective).
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23/0136/CLP Granted
150 Stanborough Avenue Borehamwood Hertfordshire WD6 5LR
Conversion of loft to form habitable space including rear dormer and 3 roof lights to front and removal of chimney. Certificate of Lawful Development (Proposed).
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24/1148/HSE Granted
140 Stanborough Avenue Borehamwood Hertfordshire WD6 5LR
Excavation of basement. Construction of single storey front extension. First floor rear extension to include 1x rooflight at ground level and associated roof works. Conversion of loft to habitable space to include 3x front rooflights, rear dormer and removal of chimney stack. Alterations to fenestration (Revised application from 24/0699/HSE).
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26/0986/FUL Awaiting decision
138 Stanborough Avenue Borehamwood Hertfordshire WD6 5LR
Retention of the change of use from a single dwellinghouse (Use Class C3) into 3no. self-contained flats (Use Class C3), including associated cycle and refuse storage.
Other lawful development applications
In Hertsmere
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26/0872/CLP Granted
118 Theobald Street Borehamwood Hertfordshire WD6 4PA
Conversion of loft to habitable space with associated hip to gable roof alterations, to include rear dormer, insertion of 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).
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26/0681/CLP Granted
40 Carrington Avenue Borehamwood Hertfordshire WD6 2HA
Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack Certificate of Lawful Development (Proposed).
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26/1014/CLP Awaiting decision
24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD
Construction of a single-storey outbuilding within the rear garden. Certificate of Lawful Development (Proposed).
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26/1015/CLP Awaiting decision
24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD
Construction of a single-storey BBQ within the garden. Certificate of Lawful Development (Proposed).
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26/1011/CLE Awaiting decision
6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD
Construction of a single-storey detached outbuilding within the rear garden of the existing dwellinghouse for use as a private gym incidental to the enjoyment of the main dwelling (Use Class C3). Certificate of Lawful Development (Existing).