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Rosehaven Lockers Park Lane Hemel Hempstead Hertfordshire HP1 1TQ

26/01914/LDPLawful Development Certificate ProposedApproved
Outline / PiP

Approved on 21 October 2026

Council decision: Grant Permission/ConsentDelegated (officer decision)

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

Hip to gable loft conversion with rear dormer

Received
3 September 2026
Decision level
Delegated (officer decision)
Public comments
4
Ward
Boxmoor
Agent
Dimensions- Planning&Architecture
  1. Received3 Sep
  2. Validated3 Sep
  3. Consult.
  4. Target
  5. Decided21 Oct

Decided in 48 days (council typically 49)

About this application

This is an outline application for a loft conversion at Rosehaven Lockers Park Lane Hemel Hempstead Hertfordshire HP1 1TQ. Dacorum has handled 723 applications of this type. This one was decided in 48 days. There has been 1 other application at this address. In the past year there have been 42 applications across Boxmoor. We hold 1,540 applications in total for the HP1 postcode area.

89% of outline applications at Dacorum Borough Council were approved. Across all application types, the council typically decides in about 7 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
HP1 1TQ
Application type
Lawful Development Certificate Proposed
Scale / size
Small
Parish
Hemel Hempstead (No Parish)

Planning application dates

Date validated
3 September 2026

Applicant and agent

Agent
Dimensions- Planning&Architecture
Agent address
Unit 7- Hawthorn Business Park, 165 Granville Road, 165 Granville Road London NW2 2AZ United Kingdom

Additional information

Planning Portal ID
PP-15198882
Documents
23
Constraints
16

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: tree preservation orders. Ask the council if these matter.

Possibly incomplete for this council: Article 4 directions.

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. 2026
    8 Sep

    Conversion of loft space, including the formation rear side dormers to facilitate change of use from C3 to…

    PendingApplicationFiled alongside26/01961/FUL
  2. 2026
    3 Sep

    Hip to gable loft conversion with rear dormer

    This applicationApprovedOutline26/01914/LDP

Source: Dacorum

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