England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

35,183Searchable applications

313Recorded as pending

87%Approval rate · 29,309 approved or refused records

3,929Refused applications

25,380 approved · 3,929 refused · 1,830 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Planning information Planning and building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records

Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

Decided - Granted6/2025/1584/EM
Installation of solar panels
42 Colgrove Welwyn Garden City AL8 6HU
Received 22 Jul 2025
Decided6/2021/0181/MAJ
Hybrid planning application comprising: Detailed Planning Application for 399 Private Rented Sector (PRS) dwellings and 153 dwellings (Class C3), 250 units of residential care accommodation for the elderly (Use Class C2) with associated communal facilities, 15,247m2 of community and commercial hub (Use Classes E and F1) with associated cycling hub, car parking, access, landscaping, public art and other supporting infrastructure; and Outline Planning Application for up to 418 dwellings (Class C3) with all matters reserved except access.
Former Shredded Wheat Factory Broadwater Road Welwyn Garden City AL7 1RR
Received 20 Jan 2021
Decided - Withdrawn6/2017/0131/PN8
Prior approval for the erection of a single storey rear extension measuring 4m. in depth, 2.833m. in height and 2.391m. to the eaves, including insertion of roof light
31 The Cloisters Welwyn Garden City AL8 6DU
Received 23 Jan 2017
Decided6/2024/1137/TC
Line of Western Red Cedar to reduce by approximately 2.5m in height. Lift section over garage entrance to 2.4m above ground level, lift to clear garage roof by 300mm. Trim width all over by 300mm
16 Moorend Welwyn Garden City AL7 4QL
Received 18 Jun 2024
Decided - Granted6/2021/1872/HOUSE
Erection of a single storey rear/side extension and the removal of part of the existing hedge
2 Broadfield Place Welwyn Garden City AL8 6LJ
Received 17 Jun 2021
Appeal Decided - AllowedS6/2010/0077/FP
ERECTION OF A FRONT PORCH, ERECTION OF A SINGLE STOREY SIDE AND REAR EXTENSION AND ALTERATIONS TO FENESTRATION FOLLOWING DEMOLITION OF EXISTING GARAGE
2 Ash Close Brookmans Park Hatfield AL9 7AX
Received 20 Jan 2010
Decided - Granted6/2020/0317/COND
Submission of details pursuant to condition 1 (details of the new windows, doors and the shopfront at a scale of 1:1 to 1:20 (as appropriate) on Listed Building Consent 6/2018/2498/LB
1-3 Park Street Hatfield AL9 5AT
Received 4 Feb 2020
Under Consideration6/2025/0998/COND
Submission of details pursuant of condition 27 (S278 Agreement Arrangement) on planning permission 6/2021/0516/VAR
Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ
Received 28 May 2025
Decided - Granted6/2024/1951/HOUSE
Erection of first floor side extension, single storey rear extension and patio alterations
19 Roe Green Lane Hatfield AL10 0SH
Received 10 Oct 2024
Decided - Granted6/2020/1874/HOUSE
Part single, part double storey rear extension, single storey side extension, part garage conversion and erection of front porch
11 The Quadrangle Welwyn Garden City AL8 6SG
Received 29 Jul 2020
Decided - Granted6/2023/1164/EM
Erection of single storey rear extension following demolition of existing conservatory
154 Parkway Welwyn Garden City AL8 6HZ
Received 1 Jun 2023
Decided - Granted6/2019/1802/EM
Remove 1 x Leyland Cypress hedge
354 Knightsfield Welwyn Garden City AL8 7NG
Received 15 Jul 2019
Decided - GrantedS6/2015/1268/FP
Alterations to shop front
35 Dellsome Lane Welham Green Hatfield AL9 7DY
Received 12 Jun 2015
Decided - Withdrawn6/2017/2281/HOUSE
Erection of ground floor extension & construction of a basement following evacuation and demolition of existing pool and outbuilding structures
Wildewood Kentish Lane Brookmans Park Hatfield AL9 6JG
Received 5 Oct 2017
Decided - Granted6/2016/2647/HOUSE
Erection of single storey rear extension, alterations to double hip roofs to gables on the front elevation and alterations to the front facing central dormer window
26 Hertford Road Digswell Welwyn AL6 0DB
Received 13 Dec 2016
Decided - RefusedS6/2014/2287/HH
Prior approval for a single storey rear conservatory
23 Fillingham Way Hatfield AL10 9GE
Received 17 Oct 2014
Decided - Granted6/2016/1519/HOUSE
Proposed raising of the roof height to existing side/rear ground floor extension.
64 Parkway, Welwyn Garden City, AL8 6HH
Received 26 Jul 2016
Decided - Withdrawn6/2016/1977/COND
Approval of details reserved by condition 3 (Materials) on planning permission S6/2014/1963/FP
14 Northaw Road West, Northaw, Potters Bar, EN6 4NR
Received 26 Sept 2016
Decided - Granted6/2025/0466/HOUSE
Erection of a single storey rear extension, internal and external alterations including all windows to be replaced, smooth painted render to front elevation and flat roofs on dormers replaced with pitched roofs
56 Brookside Crescent Cuffley Potters Bar EN6 4QN
Received 12 Mar 2025
Decided - GrantedW6/2008/1846/EM
EXTENSION OF HARDSTANDING
8 FEARNLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HW
Received 25 Sept 2008
Decided6/2020/1297/TC
Reduce 1 x Leyland Cypress Tree by 6m height & reduce width by 2.5m
12 Homerfield Welwyn Garden City AL8 6QZ
Received 9 Jun 2020
Decided - Granted6/2020/1779/COND
Submission of detail pursuant to conditions 2 [Investigation and risk assessment] and 5 [Environmental noise assessment ] planning permission 6/2018/2387/MAJ
Studio Four 37 Broadwater Road Welwyn Garden City AL7 3AX
Received 20 Jul 2020
Decided - Granted6/2017/2192/HOUSE
Erection of a part two storey and part single storey rear extension following demolition of existing conservatory and erection of front porch
7 Burgundy Croft Welwyn Garden City AL7 3QA
Received 27 Sept 2017
Decided6/2023/0491/TC
1 x Cherry to remove 1 limb, reduce remaining overhanging branches back by 1.2m. Reduce 2 lowest branches over garden area by 1m. - See annotated picture. 1 x Pear to reduce lower collection of branches overhanging the carpark by 1m - See annotated picture. Church next door have voiced concerns about overhanging branches
5 Barleycroft Road Welwyn Garden City AL8 6JX
Received 3 Mar 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
Understanding planning · 13 min read
Planning permission drawings: how to read plans
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
Property research · 13 min read
Planning approval rates: how to read council statistics
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage