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11 York Way Welwyn AL6 9LB

6/2026/0033/HOUSEHOUSEHOLDER APPLICATIONApproved
Householder

Approved on 27 March 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 a part single, part two storey side extension

Received
8 January 2026
Decision level
Delegated (officer decision)
Ward
Welwyn West
  1. Received8 Jan
  2. Validated15 Jan
  3. Consult.24 Mar
  4. Target
  5. Decided27 Mar

Decided in 71 days (council typically 56)

About this application

This is a full planning application for a two storey side extension at 11 York Way Welwyn AL6 9LB. Welwyn Hatfield has handled 2,195 applications of this type. This one was decided in 78 days, 3 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 102 applications across Welwyn West. We hold 969 applications in total for the AL6 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
AL6 9LB
Application type
HOUSEHOLDER APPLICATION
Parish
Welwyn

Planning application dates

Date validated
15 January 2026
Consultation expiry
24 March 2026
Consultation end
24 March 2026

Applicant and agent

Agent address
22 Post Office Road Broomfield Chelmsford CM1 7AD

Publicity

Site notice end
24 March 2026

Additional information

UPRN
100080991090

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Green belt: Welwyn HatfieldNext to the site
  • 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

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