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21 Unwin Road Stevenage Herts SG2 9SZ

17/00871/HPAHouseholder Prior Approval (extended PD)Approved
Householder

Approved on 12 January 2018

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 which will project beyond the rear wall of the original house by 4.5m, for which the maximum height will be 3.1m and the height to the eaves will be 2.25m

Received
12 December 2017
Decision level
Delegated (officer decision)
Ward
Shephall
  1. Received12 Dec
  2. Validated12 Dec
  3. Consult.4 Jan
  4. Target23 Jan
  5. Decided12 Jan

Decided in 31 days (council typically 49)

About this application

This is an outline application for a single storey rear extension at 21 Unwin Road Stevenage Herts SG2 9SZ. Stevenage has handled 301 applications of this type. This one was decided in 31 days, 3 weeks quicker than Stevenage's typical decision time. There have been 2 other applications at this address. In the past year there have been 29 applications across Shephall. We hold 1,264 applications in total for the SG2 postcode area.

85% of outline applications at Stevenage 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
SG2 9SZ
Application type
Householder Prior Approval (extended PD)
Scale / size
Small

Planning application dates

Date validated
12 December 2017
Consultation expiry
4 January 2018
Neighbour consultation start
14 December 2017
Neighbour consultation end
4 January 2018
Last date for comments
4 January 2018
Target decision date
23 January 2018
Permission expires
12 January 2023

Planning decision

Statutory period
42 days

Additional information

Comments
0
Documents
6
Constraints
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Stevenage
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation areas, listed buildings, 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: Stevenage

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