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18 Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8RY

26/0215/PDEPD - ExtensionsApproved
Outline / PiP

Approved on 19 March 2026

Council decision: no objectionDelegated (officer decision)

Site boundary (council red line)

Proposal

Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.40 metres, maximum eaves height 3.40 metres)

Received
12 February 2026
Decision level
Delegated (officer decision)
Ward
Gade Valley
  1. Received12 Feb
  2. Validated24 Feb
  3. Consult.18 Mar
  4. Target7 Apr
  5. Decided19 Mar

Decided in 23 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 18 Hyde Lane Nash Mills Hemel Hempstead Hertfordshire HP3 8RY. Three Rivers has handled 531 applications of this type. This one was decided in 35 days, 3 weeks quicker than Three Rivers's typical decision time. There have been 2 other applications at this address. In the past year there have been 38 applications across Gade Valley. We hold 1,286 applications in total for the HP3 postcode area.

92% of outline applications at Three Rivers District 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.See what's approved near your address

Application details

Postcode
HP3 8RY
Application type
PD - Extensions
Scale / size
Small
Parish
Abbots Langley Parish Council

Planning application dates

Date validated
24 February 2026
Consultation expiry
18 March 2026
Neighbour consultation end
18 March 2026
Target decision date
7 April 2026
Decision issued
20 March 2026

Applicant and agent

Agent address
Architects Corporation Ltd 1 Thornhill House 14 Upton Road Watford WD18 0JP

Planning decision

Statutory period
42 days

Additional information

Planning Portal ID
PP-14697944
Comments
0
Documents
6
Constraints
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Green belt: Three Rivers
  • 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 (21)

flood storage areas, conservation areas, listed buildings, 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. 2026
    12 Feb

    Prior Approval: Single storey rear extension (depth 6.00 metres, maximum height 3.40 metres, maximum eaves…

    This applicationApprovedOutline26/0215/PDE
  2. 2026
    12 Feb

    Certificate of Lawfulness Proposed Development: Construction of outbuilding; loft conversion including hip to…

    PendingCertificate of Lawfulness - Proposed UseFiled alongside26/0216/CLPD

Source: Three Rivers

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