Planning application
26/1011/CLE
6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD
Proposal
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).
As published by the council, reference 26/1011/CLE
Timeline
Dates from the published record
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21 Jul 2026
Received by Hertsmere
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1 Aug 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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26/1002/FUL Awaiting decision
6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD
Subdivision of the existing dwelling into two self-contained one-bedroom dwellings (Use Class C3), together with minor internal alterations, enlarged refuse storage, secure cycle storage and associated operational improvements. (Part retrospective.)
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TP/10/1715 Withdrawn
31-33 Theobald Street Borehamwood WD6 4RN
Retrospective application for a timber boarded storage shed and succah area to rear of property.
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25/1645/FUL Awaiting decision
49C Theobald Street Borehamwood Hertfordshire WD6 4RZ
Change of Use Commercial (Class E) to Community Hall (Class F2).
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26/0890/HSE Awaiting decision
33 Park Crescent Elstree Borehamwood Hertfordshire WD6 3PT
Demolition of existing detached garage and construction of part single, part two storey side and rear extension with new entrance porch and associated roof alterations to include additional front dormer, and removal of front rooflight and chimney stack.
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21/1153/VOC Granted
11 Gables Avenue Borehamwood Hertfordshire WD6 4SP
Application for variation of condition 3 (materials) to allow for alterations to the roof tiles from Redland 49 tiles to Jutland Slate tiles following grant of planning permission 21/0427/HSE.
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26/0788/FUL Awaiting decision
Elstree Telephone Exchange 23 Shenley Road Borehamwood Hertfordshire WD6 1AU
Replacement of 1x existing window pane with aluminium louvre, on each of North West and North East elevations.
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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26/0791/CLP Granted
56 Rushfield Potters Bar Hertfordshire EN6 3HJ
Conversion of loft to habitable space with rear dormer and Juliet balcony, and insertion of 3x front rooflights. Certificate of Lawful Development (Proposed).