Planning application
10 And 12 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Works: Extension Loft or dormer Roofing Demolition Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Demolition of no. 12's existing garage and no. 10's outbuilding to facilitate construction of two storey side and rear extension across both properties, conversion of loft to habitable space to include increase to ridge height, 2x rear dormers and 2x front and side rooflights across both properties. Single storey front extension to no.12 and alterations to fenestration.
As published by the council, reference 26/0854/FUL
Application record
- Reference
- 26/0854/FUL
- Type
- Full Planning Permission
- Status
- Awaiting decision
- Received
- 19 Jun 2026
- Validated
- 1 Jul 2026
- Ward
- Elstree
- Parish
- Elstree & Borehamwood Town Council
- Postcode
- WD6 3LY
Timeline
Dates from the published record
-
19 Jun 2026
Received by Hertsmere
-
1 Jul 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 26 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hertsmere took a median of 56 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Natalie Leiwy Architects Agent, an architecture practice registered in Edgware
Active · incorporated 2012 · Edgware
17 applications on PlanIndex · across 4 councils · 100% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
28 documents on file for this application
- Bng metric
- Cil exemption form
- New application form
- Consultee comment submitted online
- Cil form 1
- Location plan
- Planning statement
- Cover letter
- Photos_10 and 12 grange road
- Existing ground floor plan
- Existing first floor plan
- Existing roof plans
- Existing front & rear elevation
- Existing side elevations
- Existing side elevations
- Proposed ground floor plans
- Proposed first floor plans
- Proposed loft floor plans
- Proposed roof plans
- Proposed front & rear elevations
- Proposed side elevations
- Proposed side elevations
- Existing block plan
- Proposed block plan
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided full applications in a median of 88 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
10 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Demolition of existing outbuilding and greenhouse to facilitate construction of two storey side and rear extension. Conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 2x rooflights. Front facade extension to bring in line with building.
Withdrawn Full applications Extension Loft or dormer +2 19 docs -
20 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Single storey rear extension.
Decided Householder Extension 7 docsSmall domestic -
22 The Rise Elstree Borehamwood WD6 3JU
Part single, part two storey rear extension; First floor front extension; Two storey front extension; Increase in height of roof of two storey left hand wing; Increase in roof pitch of single storey side wing; Removal of rear porch and chimney; Removal and insertion of windows in side elevations; Conversion of garage into gym store and wc; Loft conversion with 2 rear dormer windows and velux windows.
Granted Householder Extension Loft or dormer +1 24 docsSmall domestic -
11 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Conversion of garage to habitable space to include removal of garage door and insertion of window to front elevation, construction of first floor rear extension and alterations to rear fenestration.
Granted Householder Extension Windows or glazing 10 docsDomestic -
12 The Rise Elstree Borehamwood Hertfordshire WD6 3JU
Single storey rear extension, first floor side extension, front porch canopy, enlargement of habitable loft space and rear dormer, and alterations to fenestration.
Granted Householder Extension Loft or dormer +1 12 docsSmall domestic -
5 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Construction of a part single, part two storey front extension, part single storey, part two storey rear extension, single storey side extension, and alterations to fenestration. Conversion of loft to habitable space with associated roof alterations to include and increase in ridge height, insertion of 2 x rear cabrio balconies and 4 x front roof lights. Associated landscaping works to allow for additional parking on existing driveway and new levelled garden patio to rear (Amended plans received 12.12.22 - solar panels added to roof and air conditioning units added to side elevation facing number 7).
Granted Householder Extension Loft or dormer +2 16 docsSmall domestic
Other full applications
In Hertsmere
-
26/1282/FUL Granted
188 Mutton Lane Potters Bar Hertfordshire EN6 2AW
Change of use from class C4 (6 bedroom HMO) to sui generis (7 bedroom HMO) use facilitated by internal alterations, loft extension and bin and bike storage.
-
26/0914/FUL Granted
24 Southgate Road Potters Bar Hertfordshire EN6 5DZ
Change of use from class C3 to sui generis 10 bedroom HMO use facilitated by demolition of existing conservatory to facilitate construction of single storey rear extension. Conversion of garage to habitable space to include replacement of garage doors with window. Conversion of loft to habitable space to include rear dormer, 2x front rooflights, alterations to fenestration and alterations to roof. Construction of first floor front/ side extension. Alterations to hard landscaping, bin and bike storage.
-
26/1131/FUL Granted
Unit 12 Hamilton Business Park Stirling Way Borehamwood Hertfordshire WD6 2FR
Part first part second floor extension with associated roof alterations.
-
26/1196/FUL Granted
72 Cardinal Avenue Borehamwood Hertfordshire WD6 1ES
Amendment to 25/1574/FUL to include conversion of loft to habitable space with hip-to-gable roof extension and rear dormer, with associated roof alterations.
-
26/0902/FUL Granted
142 Manor Way Borehamwood Hertfordshire WD6 1QX
Part retrospective application for the retention of an outbuilding and the installation of a rear access door in connection with the commercial unit (amended description).