Planning application
48 Aldenham Avenue Radlett Hertfordshire WD7 8HY
Works: Extension Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey rear extension and conversion of loft to habitable space including alterations to roof and fenestration.
As published by the council, reference 26/0523/HSE
Application record
- Reference
- 26/0523/HSE
- Type
- Householder Application
- Status
- Decided
- Decision
- Granted As published: Grant Permission
- Received
- 17 Apr 2026
- Validated
- 17 Apr 2026
- Decided
- 11 Jun 2026
- Ward
- Aldenham East
- Parish
- Aldenham Parish
- Decision by
- Delegated Decision
- Postcode
- WD7 8HY
Timeline
Dates from the published record
-
17 Apr 2026
Received by Hertsmere
-
11 Jun 2026
Decision issued: Grant Permission
-
9 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
ADTC Agent, registered in Manchester
Active · incorporated 1995 · Manchester
9 applications on PlanIndex · across 2 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
21 documents on file for this application
- Delegated report
- Decision
- Consultee comment submitted online
- Applicationformredacted
- Location plan
- Existing block plan
- Existing front and side elevation
- Existing rear and side elevation
- Proposed block plan
- Proposed ground floor plan
- Proposed first floor plan
- Proposed loft plan
- Proposed loft section
- Proposed front and side elevation
- Proposed rear and side elevation
- 3d front view
- 3d rear view
- Design and access statement
- Existing ground floor plan
- Existing first floor plan
- Existing roof plan
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Hertsmere granted permission on 11 June 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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
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55 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Construction of first floor rear extension and conversion of loft to habitable space with associated roof alterations, to include raised ridge height, 2x rear dormers and insertion of 3x front and 1x side rooflights, and alterations to fenestration.
Granted Householder Extension Loft or dormer +2 12 docsDomestic -
55 Aldenham Avenue Radlett Hertfordshire WD7 8JA
T3 and T4 2no. BEECH. Approx height 16m and spread 16m. Crown reduce the side which overhangs the clients garden (not the height) by removing approximately 2-3m pruning to suitable growth points. Crown lift the side that overhangs the clients garden only to approx 6m above ground level
Refused Trees 5 docs -
59 Aldenham Avenue Radlett Hertfordshire WD7 8JA
T10 COPPER BEECH. Current height approx. 23m and spread 20m. Crown lift to 4m, reduce height by 2m and reduce lateral spread by 2m.
Granted Trees 3 docs -
47A Aldenham Avenue Radlett Hertfordshire WD7 8JA
Part single, part two-storey rear and side extension; front porch extension; roof alterations to include removal of chimney stacks; alterations to fenestration.
Decided Householder Extension Roofing +1 9 docsSmall domestic -
59 Aldenham Avenue Radlett Hertfordshire WD7 8JA
75% historically approved · decision due ~15 Dec
T9 Silver Birch Tree - fell
Awaiting decision Trees -
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Application for a non-material amendment to allow for alterations to footprint and fenestration following the grant of planning permission ref 21/2257/FUL.
Granted Amendments Windows or glazing 5 docs
Other householder applications
In Hertsmere
-
26/0805/HSE Granted
Rydal Mount Lodge Baker Street Potters Bar Hertfordshire EN6 2BP
Demolition of existing conservatory to facilitate construction of single storey rear extension and front porch extension.
-
26/1218/HSE Refused
22 The Grove Radlett Hertfordshire WD7 7NF
Conversion of garage to habitable space with window to replace garage door and new pitched roof, construction of first floor side extension and part single, part two storey rear extension with insertion of 1x side rooflight, alterations to fenestration and front hard landscaping.
-
26/1253/HSE Granted
159 Arundel Drive Borehamwood Hertfordshire WD6 2LZ
Construction of single storey rear extension with pitched roof and 3x rooflights, and alterations to fenestration.
-
26/1250/HSE Granted
3 The Walk Potters Bar Hertfordshire EN6 1QL
Single storey side extension following demolition of existing detached garage and shed.
-
26/1075/HSE Granted
7 Belmor Elstree Borehamwood Hertfordshire WD6 3JX
Proposed boundary treatments to the rear of the property including replacement fence.