Planning application
11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Single storey rear extension, conversion of loft to habitable space including rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).
As published by the council, reference 26/1151/CLP
Application record
- Reference
- 26/1151/CLP
- Category
- Lawful development
- Status
- Decided
- Received
- 11 Aug 2026
- Validated
- 11 Aug 2026
- Decided
- 5 Oct 2026
- Ward
- Borehamwood Brookmeadow
- Parish
- Elstree & Borehamwood Town Council
- Postcode
- WD6 1AY
Site history
Applications at this address on the Hertsmere register
This site has had 3 applications since 2026.
-
26/1148/PD42 Decided
11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Single storey rear extension. Depth: 4.42m, Height: 3.00m, Eaves: 3.00m.
-
26/1150/HSE Decided
11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Single-storey side and rear extension.
Timeline
Dates from the published record
-
11 Aug 2026
Received by Hertsmere
-
18 Aug 2026
Added to PlanIndex
-
5 Oct 2026
Decision issued
-
6 Oct 2026
Status changed to Decided
Previously Awaiting decision.
Documents
Plans, drawings, consultee responses and the officer's report
4 documents on file for this application
- Applicationformredacted
- Proposed plans and elevations
- Existing plans and elevations
- Site images
Watch members (£5 a month) open the document list from here.
Open the documentsAfter the decision
Hertsmere has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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
-
11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Single storey rear extension. Depth: 4.42m, Height: 3.00m, Eaves: 3.00m.
Decided Extension 3 docsSmall domestic -
11 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Single-storey side and rear extension.
Decided Householder Extension 7 docsSmall domestic -
Land To The Rear Of The Wellington Public House Theobald Street Borehamwood Hertfordshire WD6 4SE
Application for approval of details reserved by condition 10 (remedial works) of planning permission reference 17/1570/OUT.
Granted Conditions 5 docs -
13 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Construction of single storey side infill and rear extensions, and alterations to fenestration. Certificate of Lawful Development (Proposed).
Granted Lawful development Extension Windows or glazing 6 docsSmall domestic -
9 Glenhaven Avenue Borehamwood Hertfordshire WD6 1AY
Construction of single storey rear extension. Certificate of Lawful Development (Proposed).
Granted Lawful development Extension 13 docsSmall domestic -
Land Adjacent To The Wellington PH (now Known As 1-9 Robinson Court) Theobald Street Borehamwood Hertfordshire
Application for approval of details reserved by conditions 5 & 9 (Car park management plan) and 8 (Waste management plan) of planning permission reference 18/1006/FUL
Granted Conditions 6 docs
Other lawful development applications
In Hertsmere
-
26/1516/CLP Awaiting decision
83 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DR
Conversion of loft to habitable space with side and rear dormer; single storey rear extension. Certificate of Lawful Development (Proposed).
-
26/1156/CLP Decided
30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR
Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).
-
26/1507/CLP Awaiting decision
30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR
Single storey rear extension and conversion of loft to habitable space including hip to gable roof alterations, rear dormer, and 4x roof lights. Certificate of lawful development (Proposed).
-
26/1494/CLP Awaiting decision
32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN
Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).
-
26/1489/CLP Awaiting decision
6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA
Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).