Islip House Mildred Avenue Borehamwood Hertfordshire WD6 2DH Data via plota.co.uk

26/0549/HSE - Householder Application Approved
Extensions & alterations

Proposal

Retrospective application for the retention of an existing garden building. Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
23 Apr 2026
✓
Approved
16 Jun 2026
✓
Consultation
17 Jun 2026

Approved on 16 Jun 2026 · Delegated Decision · Last checked 5 Jul 2026

Documents 6

Decision & officer reports 2

PDF Delegated report Delegated Report · 17 Jun 2026 View ↗ PDF Decision Decision · 17 Jun 2026 View ↗

Plans & drawings 3

PDF Location plan Drawing/Plans · 23 Apr 2026 View ↗ PDF 1214 p 100 Existing site plan Drawing/Plans · 23 Apr 2026 View ↗ PDF 1214 p 101 Existing garden building plans and elevations Drawing/Plans · 23 Apr 2026 View ↗

Application forms 1

PDF Applicationformredacted Application Form · 23 Apr 2026 View ↗

All documents on the council site ↗

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Important details

Council
Hertsmere
Application type
Householder Application
Postcode
WD6 2DH
Received
23 Apr 2026
Validated
23 Apr 2026
Ward
Borehamwood Hillside
Parish
Elstree & Borehamwood Town Council
Case officer
Show
Target decision
18 Jun 2026
Decision
Grant Permission
Decision date
16 Jun 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Randall Architecture

Consultation & key dates

Alt. reference
PP-14882430
Neighbours
17 Jun 2026
Consultation
17 Jun 2026
Comments by
22 May 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2024 Approved
T25,T26 and T27 3no. LIMES. Cut regrowth back to the former pollard points at about 2.5m…
24/1552/TPO
2024 Refused
T25,T26 and T27 3no. LIMES. Reduce the overall height of all trees from 5m to 3.5m and sp…
24/1218/TPO
2021 Approved
Demolition of existing conservatory, construction of part single, part two storey rear ex…
21/2055/HSE
2021 Approved
Demolition of existing conservatory, construction of part single, part two storey rear ex…
21/2055/HSE
Within ~100m

Nearby activity

2023 Approved
110 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
Single storey rear extension Depth: 6m, Height: 2.75m, Eaves: 2.5m
23/1709/PD42
2023 Approved
110 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
Single storey rear extension Depth: 6m, Height: 2.75m, Eaves: 2.5m
23/1709/PD42
2023 Refused
1 Almond Way Borehamwood Hertfordshire WD6 1HF
Installation of an Air Source Heat Pump unit to the rear.
23/0985/HSE
2023 Refused
1 Almond Way Borehamwood Hertfordshire WD6 1HF
Installation of an Air Source Heat Pump unit to the rear.
23/0985/HSE
2023 Approved
Homeleigh Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Conversion of loft to habitable room with rear dormer and to include insertion of roof li…
23/0426/HSE
2023 Approved
Homeleigh Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Conversion of loft to habitable room with rear dormer and to include insertion of roof li…
23/0426/HSE
2023 Approved
Homeleigh Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Conversion of loft to habitable room with rear dormer, insertion of roof lights to side e…
23/0359/HSE
2023 Approved
Homeleigh Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Conversion of loft to habitable room with rear dormer, insertion of roof lights to side e…
23/0359/HSE
2023 Approved
Furze Lodge Mildred Avenue Borehamwood Hertfordshire WD6 2DH
T1 LONDON PLANE. Height to previous pollard point is c.11'.11'' Height of the previous 2/…
23/0119/TPO
2022 Approved
142 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
T16 HORSE CHESTNUT. Fell
22/1325/TPO
2022 Approved
142 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
T16 HORSE CHESTNUT. Fell
22/1325/TPO
2022 Approved
Homeleigh Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Conversion of loft to habitable room with rear dormer and to include insertion of roof li…
22/0906/HSE
2022 Approved
Homeleigh Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Conversion of loft to habitable room with rear dormer and to include insertion of roof li…
22/0906/HSE
2022 Approved
5 Mildred Avenue Borehamwood Hertfordshire WD6 1ET
Part single/part two storey rear extension.
22/0325/HSE
2022 Approved
5 Mildred Avenue Borehamwood Hertfordshire WD6 1ET
Part single/part two storey rear extension.
22/0325/HSE
2019 Approved
136 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
T17 and T18 2no. LIMES . Prune back to previous cuts, reduce overhanging branches as per…
19/0924/TPO
2019 Approved
Furze Lodge Mildred Avenue Borehamwood Hertfordshire WD6 2DH
T1 LONDON PLANE. Prune back to previous pollard points
19/0361/TPO
2018 Approved
136 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
T17 and T18 2no. LIMES. Reduce crown by a max. 3m . To leave a height of 12m and spread o…
18/2022/TPO
2018 Approved
142 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
T16 HORSE CHESTNUT. Crown thin by 30%. Crown reduce all over by 1m (12m x 24m)
18/1438/TPO
2018 Approved
Greycot Mildred Avenue Borehamwood Hertfordshire WD6 2DH
Single storey rear extension to include internal alterations. (Revised application - 17/2…
18/0748/HSE
2016 Approved
11 Mildred Avenue Borehamwood Hertfordshire WD6 1ET
Front porch extension and first floor rear extension.
16/2469/HSE
2016 Refused
Greycot Mildred Avenue Borehamwood Hertfordshire WD6 2DH
T2 LIME. Pollard back to previous points.
16/2385/TPO
2016 Refused
Greycot Mildred Avenue Borehamwood Hertfordshire WD6 2DH
T2 LIME. Pollard back to previous points.
16/2385/TPO
2016 Approved
126 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
First floor side and rear extension
16/0994/HSE
2016 Approved
126 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
First floor side and rear extension
16/0994/HSE
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
Source: MHCLG planning statistics · See full council rankings