48 Aldenham Avenue Radlett Hertfordshire WD7 8HY Data via plota.co.uk

26/0523/HSE - Householder Application Approved
Extensions & alterations

Proposal

Single storey rear extension and conversion of loft to habitable space including alterations to roof and fenestration. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
17 Apr 2026
✓
Approved
11 Jun 2026
✓
Consultation
12 Jun 2026

Approved on 11 Jun 2026 · Delegated Decision · Last checked 5 Jul 2026

Documents 21

Decision & officer reports 2

PDF Delegated report Delegated Report · 12 Jun 2026 View ↗ PDF Decision Decision · 12 Jun 2026 View ↗

Statements & assessments 1

PDF Design and access statement Supporting Documents · 17 Apr 2026 View ↗

Plans & drawings 16

PDF Adr - p 2 6 - 0 1 Location plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 2 Existing block plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 6 Existing front and side elevation Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 7 Existing rear and side elevation Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 8 Proposed block plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 9 Proposed ground floor plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 0 Proposed first floor plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 1 Proposed loft plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 2 Proposed loft section Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 3 Proposed front and side elevation Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 4 Proposed rear and side elevation Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 5 3d front view Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 1 6 3d rear view Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 3 Existing ground floor plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 4 Existing first floor plan Drawing/Plans · 17 Apr 2026 View ↗ PDF Adr - p 2 6 - 0 5 Existing roof plan Drawing/Plans · 17 Apr 2026 View ↗

Application forms 1

PDF Applicationformredacted Application Form · 17 Apr 2026 View ↗

Consultation & comments 1

PDF Consultee comment submitted online Consultee Comment · 20 May 2026 View ↗

All documents on the council site ↗

Other new applications on this street

55 Aldenham Avenue Radlett Hertfordshire WD7 8JA

Construction of first floor rear extension and conversion of loft to habitable s...

26/0327/HSE - 11 Mar 2026

Site Of Former 57 Aldenham Avenue Radlett Hertfordshire

Application for approval of details reserved by conditions 7 (footway / kerb / h...

26/0257/DOC - 26 Feb 2026

Nearby new applications

Pathways The Pathway Radlett Hertfordshire WD7 8JB

Erection of a small elevated timber built play structure.

26/0894/HSE - 29 Jun 2026

12 The Rose Walk Radlett Hertfordshire WD7 7JS

6no. LEYLAND CYPRESS. Reduce by approximately 8m in height leaving a finished he...

26/0753/TRC - 2 Jun 2026

18 The Rose Walk Radlett Hertfordshire WD7 7JS

Application for approval of details reserved by conditions 4 (landscaping and bo...

26/0726/DOC - 28 May 2026

65 Gills Hill Lane Radlett Hertfordshire WD7 8PD

Construction of two storey front and side extensions, single storey rear extensi...

26/0709/HSE - 22 May 2026

9 Loom Lane Radlett Hertfordshire WD7 8AA

Single storey rear and side extension to include removal of existing gazebo and ...

26/0618/HSE - 7 May 2026

Woodland Lodge Guide Hut Scrubbitts Park Road Radlett Hertfordshire WD7 8JN

Replacement of existing doors to Guide Hut.

26/0568/FUL - 27 Apr 2026

Important details

Council
Hertsmere
Application type
Householder Application
Postcode
WD7 8HY
Received
17 Apr 2026
Validated
17 Apr 2026
Ward
Aldenham East
Parish
Aldenham Parish
Case officer
Track to view
Target decision
12 Jun 2026
Decision
Grant Permission
Decision date
11 Jun 2026
Decision level
Delegated Decision
Applicant
Track to view
Agent
ADTC

Consultation & key dates

Alt. reference
PP-14866823
Neighbours
28 Apr 2026
Consultation
12 Jun 2026
Comments by
26 May 2026
Env. assessment
No

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Approved
Two storey side extension with alterations to roof and fenestration, and first floor fron…
23/1791/HSE
2023 Approved
Two storey side extension with alterations to roof and fenestration, and first floor fron…
23/1791/HSE
Within ~100m

Nearby activity

2025 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T4 (27/2009) BEECH. Reduce the southwest, west, east and northwest canopy sides by 1.5 m…
25/0992/TPO
2025 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T4 (27/2009) BEECH. Reduce the southwest, west, east and northwest canopy sides by 1.5 m…
25/0992/TPO
2024 Approved
56 Aldenham Avenue Radlett Hertfordshire WD7 8HY
Demolition of existing detached dwelling and garage to facilitate construction of detache…
24/1402/FUL
2023 Approved
57 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Demolition of existing house and construction of replacement 2 detached dwellings to incl…
23/0934/FUL
2023 Approved
57 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Demolition of existing house and construction of replacement 2 detached dwellings to incl…
23/0934/FUL
2023 Approved
High Gable/Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T1 BEECH. (27/2009) Reduce by 1.5-2m all the way up on Beech Tree House side from 14m to…
23/1311/TPO
2023 Approved
High Gable/Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T1 BEECH. (27/2009) Reduce by 1.5-2m all the way up on Beech Tree House side from 14m to…
23/1311/TPO
2023 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T4 GREEN BEECH. Crown reduce by 2-2.5m height and 1-1.5m spread and from 18-19m high and…
23/1189/TPO
2023 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T4 GREEN BEECH. Crown reduce by 2-2.5m height and 1-1.5m spread and from 18-19m high and…
23/1189/TPO
2022 Withdrawn
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Alterations to existing dwelling to include conversion of loft to form habitable space wi…
22/1417/FUL
2022 Withdrawn
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Alterations to existing dwelling to include conversion of loft to form habitable space wi…
22/1417/FUL
2022
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Conversion of loft to form habitable space including insertion of roof lights to all elev…
22/1417/HSE
2022
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Conversion of loft to form habitable space including insertion of roof lights to all elev…
22/1417/HSE
2021 Approved
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Alterations to existing detached dwelling and erection of a new 3-bed detached dwelling w…
21/2257/FUL
2021 Approved
51 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Alterations to existing detached dwelling and erection of a new 3-bed detached dwelling w…
21/2257/FUL
2021 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T1 SYCAMORE. Fell.
21/2179/TPO
2021 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T1 SYCAMORE. Fell.
21/2179/TPO
2021 Approved
55 Aldenham Avenue Radlett Hertfordshire WD7 8JA
T3 and T4 2no. BEECH. Crown lift. Raise the lower crown which overhangs clients garden on…
21/1731/TPO
2021 Approved
55 Aldenham Avenue Radlett Hertfordshire WD7 8JA
T3 and T4 2no. BEECH. Crown lift. Raise the lower crown which overhangs clients garden on…
21/1731/TPO
2021 Approved
49 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Installation of sliding gate to front elevation to include associated landscaping.
21/1681/HSE
2016 Approved
60 Aldenham Avenue Radlett Hertfordshire WD7 8HY
Demolition of existing dwelling and erection of replacement, 2 storey, detached, 6 bedroo…
16/1294/FUL
2016 Refused
59 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Alterations to existing dwelling to include raising the ridge height to create additional…
16/2282/HSE
2016 Refused
59 Aldenham Avenue Radlett Hertfordshire WD7 8JA
Alterations to existing dwelling to include raising the ridge height to create additional…
16/2282/HSE
2016 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T4 BEECH. Approximately 18.00m. Remove broken branches and dead wood throughout crown. Ju…
16/1156/TPO
2016 Approved
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
T4 BEECH. Approximately 18.00m. Remove broken branches and dead wood throughout crown. Ju…
16/1156/TPO
Hertsmere
Planning Authority Score
3.2/10
Poor
#230 of 292 councils
Relevant to this application:
Householder decisions

Hertsmere is slower than most councils at deciding householder applications, ranking #240 out of 292. The council extends the time limit on 55% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Frequently extends decision deadlines
expect longer than the statutory limit
These figures are council-wide context, not a prediction for this application. View full council performance
Hertsmere decision performance
Based on MHCLG data, 2025
93%
Overall approval rate
Above avg (87%) #61 of 292
94%
Householder approved
Above avg (90%) #107 of 292
49%
Decided in 8 weeks
Below avg (64%) #240 of 292
55%
Extended time limit
Above avg (40%) #251 of 292
84%
Minor dwellings approved
102 decided (1-9 homes)
75%
Major dwellings approved
8 decided (10+ homes)
88%
Change of use approved
25 decided
749
Total decisions
56 refused in 2025
Source: MHCLG planning statistics · See full council rankings