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23 Roundfield Avenue Harpenden Hertfordshire AL5 5BD

5/2026/1202Approved

Approved on 29 September 2026

Council decision: DC3 Conditional Permission3 conditions

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

Proposal

Erection of single storey extension to the side and rear of existing dwelling at 23 Roundfield Avenue Harpenden Hertfordshire AL5 5BD

Received
23 June 2026
Ward
Harpenden East
  1. Received23 Jun
  2. Validated24 Jun
  3. Consult.22 Sep
  4. Target22 Sep
  5. Decided29 Sep

Decided in 97 days

About this application

This is a planning application for an extension at 23 Roundfield Avenue Harpenden Hertfordshire AL5 5BD. St Albans has handled 12,340 applications of this type. This one was decided in 81 days, 4 weeks longer than St Albans's typical decision time. There are no previous applications recorded at this address. In the past year there have been 87 applications across Harpenden East. We hold 3,774 applications in total for the AL5 postcode area.

Application details

Postcode
AL5 5BD
Parish
Harpenden Town

Planning application dates

Date validated
24 June 2026
Consultation end
22 September 2026
Target decision date
22 September 2026

Applicant and agent

Applicant
Private applicant
Agent
Gebhard and Goodwin
Architect profile
GEBHARD AND GOODWIN ARCHITECTS LIMITED

Planning decision

Case officer
Daniel Sands

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.

Source: St Albans

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