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17 Radlett Park Road Radlett Hertfordshire WD7 7BG

25/0662/HSEHouseholder ApplicationApproved
Householder

Approved on 3 October 2025

Council decision: Grant PermissionDelegated (officer decision)5 conditions

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Conversion of garage to habitable space to include replacement of garage door with relocation of front door. Construction of a part single, part two storey rear extension with 2x rooflights. First floor side extension with associated roof works. Conversion of loft to habitable space to include alterations to ridge height, removal of chimney stack and insertion of 6x rooflights. Alterations to fenestration. (AMENDED PLAN RECEIVED: 12/09/2025 - existing and proposed street scene).

Received
30 April 2025
Decision level
Delegated (officer decision)
Public comments
1
Ward
Aldenham East
  1. Received30 Apr
  2. Validated30 May
  3. Consult.23 Jun
  4. Target6 Oct
  5. Decided3 Oct

Decided in 126 days (council typically 56)

About this application

This is a full planning application for a two storey rear extension at 17 Radlett Park Road Radlett Hertfordshire WD7 7BG. Hertsmere has handled 1,861 applications of this type. This one was decided in 156 days, 14 weeks longer than Hertsmere's typical decision time. There has been 1 other application at this address. In the past year there have been 172 applications across Aldenham East. We hold 1,025 applications in total for the WD7 postcode area.

90% of full applications at Hertsmere Borough Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
WD7 7BG
Application type
Householder Application
Scale / size
Medium
Parish
Aldenham Parish

Planning application dates

Date validated
30 May 2025
Consultation expiry
30 September 2025
Consultation start
6 October 2025
Consultation end
23 June 2025
Neighbour consultation start
16 September 2025
Neighbour consultation end
30 September 2025
Last date for comments
30 September 2025
Target decision date
6 October 2025
Decision issued
6 October 2025
Permission expires
6 October 2028

Applicant and agent

Agent address
15 Colchester Avenue London E12 5LE

Planning decision

Statutory period
129 days

Additional information

Planning Portal ID
PP-13982723
Documents
8
Constraints
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2025
    30 Oct

    Variation of condition 2 (plans) to allow for raising of rear ridge height on the first floor roof following…

    ApprovedVariation of conditions (s73)25/1573/VOC
  2. 2025
    30 Apr

    Conversion of garage to habitable space to include replacement of garage door with relocation of front door…

    This applicationApprovedFull25/0662/HSE

Source: Hertsmere

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