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

40,154Searchable applications

303Recorded as pending

86%Approval rate · 33,678 approved or refused records

4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 4 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedS6/2012/2669/LUP
Certificate of Lawfulness for proposed leisure room and engineering operations comprising excavation and retaining wall
36 The Meadway, Cuffley, POTTERS BAR, EN6 4ES
Received 24 Dec 2012
Decided - Granted6/2021/1980/COND
Submission of details pursuant to condition 35 (plan showing proposed first use/users of ground floor commercial units), on planning permission 6/2019/1067/MAJ
Hill-Top Neighbourhood Centre Hatfield AL10 8HZ
Received 29 Jun 2021
Decided - Granted6/2022/2778/EM
Replacement of upstairs windows and new side door to kitchen.
44 Longcroft Lane, Welwyn Garden City, AL8 6EF
Received 7 Dec 2022
Decided - GrantedN6/2004/1057/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION
48 Fordwich Road Welwyn Garden City AL8 6EY
Received 12 Jul 2004
Decided - Granted6/2017/2227/HOUSE
Erection of two storey rear extension
2 Brickwall Cottages Great North Road Welwyn Garden City AL8 7SR
Received 2 Oct 2017
Decided - Granted6/2017/2923/EM
Reduce Beech (Tree 1) by 50% and reduce two Hornbeam trees (Tree 2 & 3) by 40%
34 Woodland Rise Welwyn Garden City AL8 7LF
Received 18 Dec 2017
Decided - Refused6/2021/1068/HOUSE
Demolition of single storey extension and garden shed, erection of single storey front and rear extensions to include alterations to openings on existing side elevation and change of external finish
36 Holme Road Hatfield AL10 9LF
Received 31 Mar 2021
Decided - Granted6/2019/0838/HOUSE
Erection of a bicycle shed-Retrospective
6 Bluebell Way Hatfield AL10 9FJ
Received 8 Apr 2019
Decided - Granted6/2023/0490/HOUSE
Erection of two storey side extension and conversion of garage into habitable accommodation
6 Bishops Rise Hatfield AL10 9HB
Received 3 Mar 2023
Decided - GrantedN6/2005/1572/FP
ERECTION OF FIRST FLOOR REAR EXTENSION TO FACILITATE CONVERSION OF EXISTING FIRST FLOOR FLAT INTO TWO FLATS
1-7 Church Street Welwyn AL6 9LL
Received 20 Dec 2005
Decided - GrantedN6/2004/0854/FP
SINGLE STOREY REAR AND SIDE EXTENSIONS
43 Wilga Road Welwyn AL6 9PT
Received 7 Jun 2004
Decided - GrantedN6/2008/2226/TE
Tree work
23 CONEYDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RX
Received 24 Nov 2008
Decided - GrantedW6/2014/1053/EM
Erection of rear conservatory
239 Heronswood Road, Welwyn Garden City, AL7 3JH
Received 14 May 2014
Decided - Granted6/2022/2585/VAR
Variation of condition 6 (approved plans) on planning permission 6/2020/0956/VAR
27 New Road Digswell Welwyn AL6 0AQ
Received 14 Nov 2022
Decided - Granted6/2015/1951/EM
T1 pear crown reduce 20% (over extended): T2 Hazel trim back 2 branches (over extended): T3 unknown dead tree to fell: and T4 pear Crown reduce 25% (uneven profile).
175 Thistle Grove, Welwyn Garden City, AL7 4AG
Received 17 Sept 2015
Decided - Granted6/2021/2520/EMT
1 x Cherry to reduce by 1.2m height & width and lift to 2.5m, 1 x Portugal Laurel to reduce by 0.5m height and reduce width 1m and balance crown
159 Parkway Welwyn Garden City AL8 6JA
Received 27 Aug 2021
Decided - Refused6/2024/2138/HOUSE
Proposed front porch extension, two storey side extension with habitable space in roof and loft conversion with two rear dormers, demolition of garage
2 Fordwich Road Welwyn Garden City AL8 6EY
Received 6 Nov 2024
Decided - Granted6/2018/2467/EM
Erection of single storey side extension
13 The Croft Welwyn Garden City AL7 4JY
Received 26 Sept 2018
Under Consideration6/2023/2206/VAR
Variation of condition 32 (Approved Drawings) on planning permission 6/2020/2268/MAJ
73 Bridge Road East Welwyn Garden City AL7 1UT
Received 30 Oct 2023
Decided - Withdrawn6/2016/1891/FULL
Erection of 3 no. agricultural barns comprising a grain store, cattle housing and straw/implement storage barn, the creation of a 3m high earth bund and the creation of a balancing pond.
Land at Cucumber Lane, Essendon, Hatfield, AL9 6JB
Received 12 Sept 2016
Decided - RefusedW6/2007/0234/EM
ERECTION OF FIRST FLOOR SIDE EXTENSION.
316 Knightsfield, Welwyn Garden City, AL8 7NQ
Received 13 Feb 2007
Decided - Refused6/2017/2569/HOUSE
Two storey side extension and alterations to front entrance and roof including demolition of existing garage and storage room
4 Hawkshead Lane North Mymms Hatfield AL9 7TB
Received 7 Nov 2017
Decided - Withdrawn6/2018/2301/RW
Diversion of public Footpath/Bridleways/Restricted byway to allow development (City 010)
Unit D City Park Watchmead Welwyn Garden City AL7 1LT
Received 5 Sept 2018
Decided - Granted6/2016/2364/HOUSE
Erection of two storey side extension
25 Marley Road Welwyn Garden City AL7 4BT
Received 7 Nov 2016

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

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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