35 Cobden Hill Radlett Hertfordshire WD7 7JL Data via plota.co.uk
26/0225/HSE - Householder Application
Approved
Proposal
Single storey side extension and part single, part two storey rear extension; alterations to fenestration. Data via plota.co.uk
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Application progress
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Received
20 Feb 2026
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Consultation
3 Mar 2026
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Approved
21 May 2026
Approved on 21 May 2026 · Delegated Decision · Last checked 6 Jul 2026
Documents 10
Decision & officer reports 2
Plans & drawings 6
PDF
Location plan
Drawing/Plans · 20 Feb 2026
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PDF
3959-24a2-305 rev a Proposed site plan
Drawing/Plans · 20 Feb 2026
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PDF
3959-24a1-301 rev a Existing floor and roof plans, elevations, and section
Drawing/Plans · 20 Feb 2026
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PDF
3959-24a1-302 rev a Proposed floor and roof plans
Drawing/Plans · 20 Feb 2026
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PDF
3959-24a1-303 rev a Proposed elevations and section
Drawing/Plans · 20 Feb 2026
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PDF
3959-24a2-304 rev a Existing site plan
Drawing/Plans · 20 Feb 2026
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Application forms 1
Consultation & comments 1
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Important details
- Council
- Hertsmere
- Application type
- Householder Application
- Postcode
- WD7 7JL
- Received
- 20 Feb 2026
- Validated
- 20 Feb 2026
- Ward
- Aldenham East
- Parish
- Aldenham Parish
- Case officer
- Show
- Target decision
- 22 May 2026
- Decision
- Grant Permission
- Decision date
- 21 May 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Sole Concepts Limited
Consultation & key dates
- Alt. reference
- PP-14718960
- Neighbours
- 3 Mar 2026
- Consultation
- 3 Mar 2026
- Comments by
- 24 Mar 2026
- Env. assessment
- No
Historical activity at this location
30 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2024
Approved
Construction of single storey rear extension with lantern rooflight, conversion of loft t…
2024
Refused
Construction of single storey rear extension. Conversion of loft to habitable space with…
2024
Refused
Single storey side and rear extensions with relocation of front door. Conversion of loft…
2024
Approved
Single storey side extension and part single, part two-storey rear extension.
2024
Withdrawn
Front boundary works to include extension to existing dropped kerb.
Within ~100m
Nearby activity
2025
Refused
Land Rear Of 5 To 23 Cobden Hill Radlett Hertfordshire
Construction of 4x 4 bed dwellings and 2x 3 bed dwellings with new vehicular and pedestri…
2025
Refused
Land Rear Of 5 To 23 Cobden Hill Radlett Hertfordshire
Construction of 4x 4 bed dwellings and 2x 3 bed dwellings with new vehicular and pedestri…
2025
Approved
1 The Mews Cobden Hill Radlett Hertfordshire WD7 7JL
T1 SILVER BIRCH. Remove (lift) lowest limb. As per annotated photo.
2025
Approved
1 The Mews Cobden Hill Radlett Hertfordshire WD7 7JL
T1 SILVER BIRCH. Remove (lift) lowest limb. As per annotated photo.
2023
Approved
1A Loom Lane Radlett Hertfordshire WD7 8AA
Associated roof alterations to allow for new internal insulation, removal of existing roo…
2023
Approved
1A Loom Lane Radlett Hertfordshire WD7 8AA
Associated roof alterations to allow for new internal insulation, removal of existing roo…
2023
Approved
45 Cobden Hill Radlett Hertfordshire WD7 7JL
Construction of single storey side and rear extension following demolition of existing si…
2023
Approved
45 Cobden Hill Radlett Hertfordshire WD7 7JL
Construction of single storey side and rear extension following demolition of existing si…
2023
Approved
43 Cobden Hill Radlett Hertfordshire WD7 7JL
Demolition of existing rear extension, construction of single storey rear extension, sing…
2023
Approved
43 Cobden Hill Radlett Hertfordshire WD7 7JL
Demolition of existing rear extension, construction of single storey rear extension, sing…
2022
Approved
43 Cobden Hill Radlett Hertfordshire WD7 7JL
Conversion of loft to form habitable space, to include rear dormer. Certficate of Lawful…
2022
Approved
43 Cobden Hill Radlett Hertfordshire WD7 7JL
Conversion of loft to form habitable space, to include rear dormer. Certficate of Lawful…
2022
Withdrawn
43 Cobden Hill Radlett Hertfordshire WD7 7JL
Two storey side extension, part single/part two storey rear extension and conversion of l…
2022
Withdrawn
43 Cobden Hill Radlett Hertfordshire WD7 7JL
Two storey side extension, part single/part two storey rear extension and conversion of l…
2020
Refused
Land Rear Of 5 To 23 Cobden Hill Radlett Hertfordshire
Alterations to No 15 Cobden Hill; erection of 8 dwellings with garages and parking spaces…
2020
Refused
Land Rear Of 5 To 23 Cobden Hill Radlett Hertfordshire
Alterations to No 15 Cobden Hill; erection of 8 dwellings with garages and parking spaces…
2021
Approved
1 The Mews Cobden Hill Radlett Hertfordshire WD7 7JL
T1 COPPER BEECH. Crown reduce 1.5-2m top and 1m from sides. T2 SYCAMORE. Crown Lift lowes…
2021
Approved
1 The Mews Cobden Hill Radlett Hertfordshire WD7 7JL
T1 COPPER BEECH. Crown reduce 1.5-2m top and 1m from sides. T2 SYCAMORE. Crown Lift lowes…
2020
Approved
25 Cobden Hill Radlett Hertfordshire WD7 7JL
T1 SYCAMORE. Prune back to boundary and away from building by 2m. T2 SILVER BIRCH. Prune…
2020
Approved
25 Cobden Hill Radlett Hertfordshire WD7 7JL
T1 SYCAMORE. Prune back to boundary and away from building by 2m. T2 SILVER BIRCH. Prune…
2018
Approved
6 Cobden Hill Radlett Hertfordshire WD7 7JP
Single storey rear extension and front porch extension.
2016
Approved
29 Cobden Hill Radlett Hertfordshire WD7 7JL
Erection of a detached dwelling and detached garage, demolition of existing garage , amen…
2016
Approved
29 Cobden Hill Radlett Hertfordshire WD7 7JL
Erection of a detached dwelling and detached garage, demolition of existing garage , amen…
2016
Approved
1 The Rose Walk Radlett Hertfordshire WD7 7JS
Conversion of detached garage to habitable room and side extension to link to main house…
2016
Approved
1 The Rose Walk Radlett Hertfordshire WD7 7JS
Conversion of detached garage to habitable room and side extension to link to main house…
Hertsmere
Planning Authority Score
3.3/10
Poor
#225 of 296 councils
Relevant to this application:
Householder decisions
Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).
Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
Hertsmere decision performance
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #57 of 296
94%
Householder approved
Above avg (90%) #108 of 296
49%
Decided in 8 weeks
Below avg (63%) #243 of 296
55%
Extended time limit
Above avg (41%) #249 of 296
84%
Minor dwellings approved
102 decided (1-9 homes)
75%
Major dwellings approved
8 decided (10+ homes)
89%
Change of use approved
27 decided
742
Total decisions
55 refused in the year to March 2026
Track this application
35 Cobden Hill Radlett Hertfordshire WD7 7JL
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