Green Acre Westmill Hertfordshire SG9 9LL
Refused on 7 September 2026
Council decision: CL Proposed Refuse
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 following the removal of the conservatory
- Received
- 18 June 2026
- Ward
- The Mundens
- ReceivedReceived18 Jun
- ValidatedValidated14 Jul
- Consult.Consultation
- TargetTarget Date
- DecidedDecided7 Sep
Decided in 55 days
About this application
This is a planning application for a single storey rear extension at Green Acre Westmill Hertfordshire SG9 9LL. East Hertfordshire has handled 13,484 applications of this type. This one was decided in 55 days, 8 days quicker than East Hertfordshire's typical decision time. The site is in the Westmill conservation area. There has been 1 other application at this address. In the past year there have been 75 applications across The Mundens. We hold 1,660 applications in total for the SG9 postcode area.
Application details
- Postcode
- SG9 9LL
- Parish
- Westmill Parish Council
Planning application dates
- Date validated
- 14 July 2026
Applicant and agent
- Applicant
- Private applicant
- Architect profile
- DPA (LONDON) LIMITED
Planning decision
- Case officer
- Sarah Griffee
Additional information
- Documents
- 7
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Westmill
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage 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.
Planning history at this site
1 other application at this property, newest first.
Source: East Hertfordshire
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Around this site
Nearby applications
- 6 The Terrace Westmill Hertfordshire SG9 9LP3/26/0069/HH · FullApproved0.0 mi
- The Beeches Classified Road Ne From C16 Through Westmill To Football Ground Westmill Hertfordshire SG9 9LLX/26/0199/CND · ConditionsApproved0.1 mi
- Green Acre Westmill Hertfordshire SG9 9LL3/26/0297/CLPO · OutlineWithdrawn0.1 mi
- Orchard House Westmill Hertfordshire SG9 9LL3/24/0570/HH · FullRefused0.1 mi
- Covey Cherry Green Lane Westmill Hertfordshire SG9 9LF3/24/1962/HH · FullApproved0.3 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atomico Electrical LLPElectrician1.1 mi
- Embrace Electrical LtdElectrician1.3 mi
- Aurum Contracts LtdElectrician1.3 mi
- Format Build LtdBuntingford1.3 mi
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.