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
- Category
- Full applications
- 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 58 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
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
24 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
Trade members open them 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 90 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 500 metres
-
20 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Single storey rear extension.
Decided Householder Extension 7 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 -
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 -
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 -
25 Grange Road Elstree Borehamwood Hertfordshire WD6 3LY
Single storey front, side and rear extensions, conversion of garage to habitable space and extension to rear dormer window.
Granted Householder Extension Loft or dormer +1 8 docsSmall domestic -
42 Grange Road Elstree Hertfordshire WD6 3LY
Conversion of loft to habitable room with associated roof alterations to include insertion of dormer windows to front and side elevations, construction of single storey side extensions and alterations to fenestration.
Withdrawn Householder Extension Loft or dormer +2 18 docsSmall domestic
Other full applications
In Hertsmere
-
26/0671/FUL Decided
27A Harcourt Road Bushey Hertfordshire WD23 3PP
Change of Use from C3 Dwelling to Children's residential home (C2).
-
26/0632/FUL Decided
Earls Farm Earls Lane South Mimms Potters Bar Hertfordshire EN6 3LT
Demolition of existing stables block & ancillary building and rebuild of replacement stables building.
-
26/1008/FUL Decided
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C4 (6 Bed HMO) to sui generis (11 bedroom HMO) use facilitated by internal alterations, provision of waste and cycle storage, and installation of new dropped kerb.
-
25/1648/FUL Decided
30 Beech Avenue Radlett Hertfordshire WD7 7DE
Demolition of existing dormer bungalow and construction of two storey detached house with accommodation at loft level, cycle and bin stores, front boundary works, and alterations to front and rear hard and soft landscaping.
-
26/0248/FUL Granted
8 - 9 Station Close Potters Bar Hertfordshire EN6 1TL
Change of use from existing warehouse (Use Class B8) to provision of medical or health services (Use Class E) and erection of cycle storage.