Skip to content

Windmill House Tylers Causeway Newgate Street Hertford SG13 8QN

6/2026/0264/HOUSEHOUSEHOLDER APPLICATIONApproved
Householder

Approved on 11 May 2026

Council decision: GrantedDelegated (officer decision)2 conditions

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

Erection of single storey side extension

Received
16 February 2026
Decision level
Delegated (officer decision)
Ward
Northaw and Cuffley
  1. Received16 Feb
  2. Validated16 Feb
  3. Consult.31 Mar
  4. Target
  5. Decided11 May

Decided in 84 days (council typically 56)

About this application

This is a full planning application for a single storey side extension at Windmill House Tylers Causeway Newgate Street Hertford SG13 8QN. Welwyn Hatfield has handled 2,195 applications of this type. This one was decided in 84 days, 4 weeks longer than Welwyn Hatfield's typical decision time. There are no previous applications recorded at this address. In the past year there have been 96 applications across Northaw and Cuffley. We hold 390 applications in total for the SG13 postcode area.

83% of full applications at Welwyn Hatfield Borough 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
SG13 8QN
Application type
HOUSEHOLDER APPLICATION
Parish
Hatfield

Planning application dates

Date validated
16 February 2026
Consultation expiry
31 March 2026
Consultation end
31 March 2026

Applicant and agent

Agent address
19-25 Salisbury Square Old Hatfield AL9 5BT

Additional information

UPRN
100081250082

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Green belt: Welwyn Hatfield
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (21)

flood storage areas, conservation areas, listed buildings, 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: Welwyn Hatfield

Track this application

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

Get email alerts near SG13

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 side 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