Planning application
21 Gills Hill Lane Radlett Hertfordshire WD7 8DE
Works: Extension Loft or dormer Roofing Demolition Windows or glazing 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
Demolition of existing car port, conservatory and single storey rear extension to facilitate construction of part single, part two storey side and rear extension. Alterations to fenestration and front porch. Conversion of loft to habitable space to include increased ridge height, hip to gable roof alterations and rear dormer.
As published by the council, reference 25/1572/HSE
Application record
- Reference
- 25/1572/HSE
- Type
- Householder Application
- Status
- Unknown
- Decision
- Appeal decision
- Received
- 30 Oct 2025
- Validated
- 5 Nov 2025
- Decided
- 9 Jul 2026
- Ward
- Aldenham West
- Parish
- Aldenham Parish
- Postcode
- WD7 8DE
Timeline
Dates from the published record
-
30 Oct 2025
Received by Hertsmere
-
5 Nov 2025
Validated
Checked as complete and ready for consideration.
-
9 Jul 2026
Decision issued: Appeal decision
-
24 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
- Appeal: 26/0007/APP (Appeal Dismissed)
Who's behind it
Company information only, from the register and Companies House
PLK Design Limited Agent, a design practice registered in Borehamwood
Active · incorporated 2014 · Borehamwood
25 applications on PlanIndex · across 7 councils · 84% 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
24 documents on file for this application
- Appeal decision
- Appeal questionnaire
- Appeal form
- Grounds of appeal
- Appendix 8 decision notice 23 gills hill lane jan 2026
- Appendix 7 officer report 23 gills hill lane jan 2026
- Appendix 6 email from case officer 9th january 2026
- Appendix 5 292-plk-04revh
- Appendix 4 292-plk-03revh
- Appendix 3 email from applicants 31st december 2025
- Appendix 2 email from case officer 29th december 2025
- Appendix 1 acknowledgment letter
- Appendix 1 acknowledgment letter (evidence of agreement to change description)
- Appendix 4 292-plk-03revh (new plans or drawings)
- Appendix 5 292-plk-04revh (new plans or drawings)
- Start letter
- Consultee comment submitted online
- Proposed plans & elevations
- Applicationformredacted
- Location plan
- Design and access statement final oct 25
- Existing plans & elevations
- Existing sections, stree scene & roof plan
- Proposed sections, streetscene & roof plan
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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
23 Gills Hill Lane Radlett Hertfordshire WD7 8DE
Application for approval of details reserved by condition 5 (landscaping scheme) of planning permission reference 24/0575/HSE.
Granted Conditions 8 docs -
Church Of St John And Hall Gills Hill Lane Radlett Hertfordshire WD7 8DF
Application for approval of details reserved by conditions 9 (Car Park Management), 10 (Construction Management) and 11 (Tree Protection Plan) of planning permission reference 19/0044/FUL.
Granted Conditions Trees 11 docs -
12 Gills Hill Lane Radlett Hertfordshire WD7 8DF
Demolition of existing outbuilding and erection of outbuilding to rear
Granted Householder Demolition 9 docsSmall domestic -
36 Elm Walk Radlett Hertfordshire WD7 8DP
92% historically approved · decision due ~15 Dec
First floor front extension and conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer and insertion of 2x front roof lights.
Awaiting decision Householder Extension Loft or dormer +1Domestic -
36 Elm Walk Radlett Hertfordshire WD7 8DP
*Electronic record only, no paper fileErection of single storey side and rear extension following demolition of existing garage (Revised application).
Granted Full applications Extension Demolition 4 docsSmall domestic -
Land At Rear Of 9-13 Gills Hill Lane Radlett Hertfordshire WD7 8DE
Partial demolition of 13 Gills Hill Lane and erection of 4 x 5 bed detached dwellings to include habitable loft accommodation with front and rear dormer windows, integral garages, associated access, car parking and landscaping on land at rear of 9-13 Gills Hill Lane (Revised Application).
Refused Full applications Loft or dormer Demolition +1 28 docs
Other householder applications
In Hertsmere
-
26/1319/HSE Granted
54 The Shrublands Potters Bar Hertfordshire EN6 2BW
Single storey side extension and front porch.
-
26/1324/HSE Granted
12 Nightingale Close Radlett Hertfordshire WD7 8NT
Partial conversion of garage to habitable space, construction of single storey rear extension and front porch extension, alterations to fenestration.
-
26/1263/HSE Granted
11 Juniper Gardens Shenley Radlett Hertfordshire WD7 9LA
Single storey rear extension.
-
26/1303/HSE Granted
14 Hartfield Avenue Elstree Borehamwood Hertfordshire WD6 3JE
Alterations to fenestration to include replacement of garage door with window and side elevation window changes.
-
26/1248/HSE Granted
24 Farm Way Bushey Hertfordshire WD23 3SS
Single storey rear extension; single storey front extension to include porch, conversion of garage to habitable space and replacement of garage door with window; first floor side extension.