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11 High Ash Road Wheathampstead Hertfordshire AL4 8DY

5/2025/1654FullApproved

Approved on 20 January 2026

Council decision: DC3 Conditional PermissionDelegated (officer decision)4 conditions

Approximate location: the centre of the postcode, not the exact property.

Proposal

Roof extension to increase the width of existing side dormer (west), construction of new dormer (east), insertion of skylights and alterations to half hips to form gables. Insertion of juliet balcony to rear elevation, side extension to garage, increase in garage door width and alterations to garage roof. Painting of existing pink render to white, increase width of dropped kerb and creation of additional off street parking at 11 High Ash Road Wheathampstead Hertfordshire AL4 8DY

Submitted
8 September 2025
Decision level
Delegated (officer decision)
Ward
Sandridge & Wheathampstead
Agent
Argento Design Studio Ltd
  1. Received8 Sep
  2. Validated
  3. Consult.
  4. Target
  5. Decided20 Jan

Decided in 134 days (council typically 56)

About this application

This is a full planning application for a dormer extension at 11 High Ash Road Wheathampstead Hertfordshire AL4 8DY. St Albans has handled 3,966 applications of this type. This one was decided in 134 days, 11 weeks longer than St Albans's typical decision time. There has been 1 other application at this address. In the past year there have been 108 applications across Sandridge & Wheathampstead. We hold 2,082 applications in total for the AL4 postcode area.

86% of full applications at St Albans City and 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.Planning something similar? See what gets approved on your street

Application details

Postcode
AL4 8DY
Application type
Full
Scale / size
Small

Planning application dates

Consultation expiry
24 October 2025

Applicant and agent

Applicant
Private applicant
Agent
Argento Design Studio Ltd
Architect profile
ARGENTO DESIGN STUDIO LTD

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, 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
    2 Apr

    Variation of Condition 2 (approved plans) to include further roof alterations and insertion of windows of…

    PendingVariation of conditions (s73)5/2026/0504
  2. 2025
    8 Sep

    Roof extension to increase the width of existing side dormer (west), construction of new dormer (east)…

    This applicationDC3 Conditional PermissionFull5/2025/1654

Source: St Albans

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