Skip to content

21 St Michaels Avenue Hemel Hempstead Hertfordshire HP3 8HG

20/02986/HPAHouseholder Prior ApprovalApproved
Householder

Approved on 5 November 2020

Council decision: Prior Approval Not RequiredDelegated (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

Single storey rear extension

Received
5 October 2020
Decision level
Delegated (officer decision)
Ward
Leverstock Green
  1. Received5 Oct
  2. Validated5 Oct
  3. Consult.26 Oct
  4. Target4 Nov
  5. Decided5 Nov

Decided in 31 days (council typically 49)

About this application

This is an outline application for a single storey rear extension at 21 St Michaels Avenue Hemel Hempstead Hertfordshire HP3 8HG. Dacorum has handled 723 applications of this type. This one was decided in 31 days, 3 weeks quicker than Dacorum's typical decision time. There has been 1 other application at this address. In the past year there have been 47 applications across Leverstock Green. We hold 1,287 applications in total for the HP3 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
HP3 8HG
Application type
Householder Prior Approval
Scale / size
Small

Planning application dates

Date validated
5 October 2020
Consultation expiry
26 October 2020
Neighbour consultation start
9 October 2020
Neighbour consultation end
26 October 2020
Last date for comments
26 October 2020
Target decision date
4 November 2020
Permission expires
5 November 2023

Applicant and agent

Agent address
11 High Oaks Enfield EN2 8JJ

Planning decision

Statutory period
30 days

Additional information

Planning Portal ID
PP-09122044
Comments
0
Documents
8
Constraints
8

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.

Source: Dacorum

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near HP3

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused for single-storey rear extensions on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address