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46 Overstone Road Harpenden Hertfordshire AL5 5PJ

5/2025/2004FullApproved

Approved on 31 March 2026

Council decision: DC3 Conditional PermissionDelegated (officer decision)3 conditions

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

Proposal

Ground and first floor rear extension. Including new windows and new rooflights. Alterations to existing rear dormer at 46 Overstone Road Harpenden Hertfordshire AL5 5PJ

Submitted
31 October 2025
Decision level
Delegated (officer decision)
Ward
Harpenden West
  1. Received31 Oct
  2. Validated
  3. Consult.
  4. Target
  5. Decided31 Mar

Decided in 151 days (council typically 56)

About this application

This is a full planning application for a dormer extension at 46 Overstone Road Harpenden Hertfordshire AL5 5PJ. St Albans has handled 3,966 applications of this type. This one was decided in 151 days, 14 weeks longer than St Albans's typical decision time. There have been 2 other applications at this address. In the past year there have been 196 applications across Harpenden West. We hold 3,774 applications in total for the AL5 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
AL5 5PJ
Application type
Full
Scale / size
Medium

Planning application dates

Consultation expiry
28 March 2026

Applicant and agent

Applicant
Private applicant
Agent
Whittaker Parsons
Architect profile
WHITTAKER PARSONS 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. 2025
    31 Oct

    Ground and first floor rear extension. Including new windows and new rooflights. Alterations to existing rear…

    This applicationDC3 Conditional PermissionFull5/2025/2004
  2. 2025
    31 Oct

    Certificate of Lawfulness (proposed) - The proposal seeks to add a front porch to the property and remove the…

    RefusedCertificate of Lawfulness - (proposed)Filed alongside5/2025/2005

Source: St Albans

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