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9 The Barns Hemel Hempstead Hertfordshire HP3 8DB

25/02416/LBCListed Building ConsentApproved

Approved on 30 January 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

Conversion of existing farm buildings to 2 residential dwellings (9 and 10 The Barns) and Listed Building consent for internal and external alterations - retrospective

Received
29 September 2025
Decision level
Delegated (officer decision)
Public comments
1
Ward
Nash Mills
Agent
D2 Design Studio Limited
  1. Received29 Sep
  2. Validated1 Oct
  3. Consult.5 Nov
  4. Target
  5. Decided30 Jan

Decided in 121 days (council typically 49)

About this application

This is a heritage application at 9 The Barns Hemel Hempstead Hertfordshire HP3 8DB. Dacorum has handled 255 applications of this type. This one was decided in 123 days, 11 weeks longer than Dacorum's typical decision time. The site is in 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 17 applications across Nash Mills. We hold 1,286 applications in total for the HP3 postcode area.

93% of heritage 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.See what's approved near your address

Application details

Postcode
HP3 8DB
Application type
Listed Building Consent
Scale / size
Small
Parish
Nash Mills Parish Council

Planning application dates

Date validated
1 October 2025
Last date for comments
5 November 2025

Applicant and agent

Agent
D2 Design Studio Limited
Architect profile
D2 DESIGN STUDIO LTD
Agent address
The School House Belswains Lane Nash Mills Hemel Hempstead United Kingdom (+44) HP3 9XB

Additional information

Planning Portal ID
PP-14363465
Documents
9
Constraints
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Green belt: Dacorum
  • 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 (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.

Planning history at this site

1 other application at this property, newest first.

  1. 2025
    7 Oct

    Retention of Change of Use from Agriculture to Use Class B2

    PendingVariation of conditions (s73)25/02415/RET

Source: Dacorum

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