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

40,229Searchable applications

309Recorded as pending

86%Approval rate · 33,738 approved or refused records

4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2016/0268/LAWP
Certificate of lawfulness for the erection of a proposed rear extension
2 Elmoor Close Welwyn AL6 9PF
Received 15 Feb 2016
Decided - Granted6/2024/0080/FULL
Addition of 14 visitor parking bays
Land to the front of The Frythe and to the south of Butterwick Way Wilshere Park Welwyn Garden City
Received 12 Jan 2024
Decided - Granted6/2017/2644/EM
Erection of a pagoda
62 Attimore Road Welwyn Garden City AL8 6LP
Received 13 Nov 2017
Decided - RefusedN6/2007/0623/FP
ERECTION OF 1.8 METRE SIDE BOUNDARY FENCE.
1 St Ives Close Digswell Welwyn AL6 0BB
Received 24 Apr 2007
Decided6/2026/0778/TC
Maple to crown reduce by 30% or 1.5m off radius.
71 Longcroft Lane Welwyn Garden City AL8 6EL
Received 5 May 2026
DecidedN6/2014/1649/TC
Fell Pine tree and removal of one branch from Conifer tree
8 Ashley Close, Welwyn Garden City, AL8 7LH
Received 21 Jul 2014
Decided - Refused6/2021/0161/TPO
3 x Pine trees - fell
16 Bennett Close Welwyn Garden City AL7 4JA
Received 20 Jan 2021
Decided - Granted6/2024/2101/EMT
Reduce 1 x ash tree by 30%.
52 Lemsford Lane, Welwyn Garden City, AL8 6YJ
Received 31 Oct 2024
Decided - RefusedS6/2006/0223/FP
ERECTION OF FIRST FLOOR REAR EXTENSION
24 Bramble Road Hatfield AL10 9SA
Received 21 Feb 2006
Decided - RefusedS6/2013/0023/FP
Erection of two storey side and rear extension
Oak Cottage Residential Home, 4 Wilkins Green Lane, HATFIELD, AL10 9RT
Received 3 Jan 2013
Decided - RefusedS6/2008/1225/FP
CHANGE OF USE OF PART OF PUBLIC HOUSE (A4) TO HOT FOOD OUTLET (A5) & ENTERNAL ALTERATIONS INCLUDING NEW WINDOWS & ACCESS DOOR
The Harrier Public House 91 Bishops Rise Hatfield AL10 9BZ
Received 7 Aug 2008
Decided - Withdrawn6/2026/1036/LAWE
Certificate of Lawfulness for the erection of a first floor external balcony to the rear of the house
25 Bluebells Welwyn AL6 0XD
Received 15 Jun 2026
Decided - Granted6/2021/2773/HOUSE
Erection of a single storey front extension and two storey side extension
133 Bramble Road Hatfield AL10 9SD
Received 27 Sept 2021
Decided - Granted6/2022/2687/HOUSE
Erection of hipped crown roof with front and rear dormers following removal of existing roof to provide additional accommodation
27 Westland Drive Brookmans Park AL9 7UG
Received 25 Nov 2022
Decided - GrantedN6/2015/0910/FP
Erection of single storey front infill extension following demolition of existing conservatory
16 Great North Road Welwyn AL6 0PL
Received 8 Apr 2015
Decided - Granted6/2017/0181/LAWP
Certificate of lawfulness for the erection of a single storey rear extension.
48 Bradgate Cuffley Potters Bar EN6 4RN
Received 1 Feb 2017
Decided - Granted6/2026/0171/HOUSE
Erection of two single storey rear extensions
67 London Road Woolmer Green SG3 6HG
Received 2 Feb 2026
Decided - Refused6/2024/1975/COND
Submission of details pursuant to Condition 5 (Samples of External Materials) Condition 6 (Cycle Store) Condition 7 (Refuse Storage) Condition 8 (SUDs Plan) Condition 9 (Hard and Soft Landscaping Plan) and Condition 12 (Accessible Housing Statement) on planning permission 6/2022/0866/FULL
The Hope and Anchor 2 Station Road Welham Green Hatfield AL9 7PJ
Received 14 Oct 2024
Decided - GrantedN6/2014/0139/TP
Removal of sweet chestnut, 2x ash and reduction of sweet chestnut by 20% covered by TPO 24 A3
20 Hillside Way Welwyn AL6 0TY
Received 20 Jan 2014
Decided - Granted6/2020/0011/EM
Reduce 1x Oak tree by 33%
252 Heronswood Road Welwyn Garden City AL7 3JQ
Received 3 Jan 2020
Decided - Granted6/2016/2082/EM
Crown reduce 1 x hornbeam (T1) by 2.5 metres, crown reduce 1 x hawthorne (T2) by 2 metres and lift a group of beech trees (T3) to 2.5 metres.
11 Hillside Welwyn Garden City AL7 4PZ
Received 29 Sept 2016
Decided - GrantedN6/2010/0263/MA
ERECTION OF TWO STOREY BUILDING FOR EMPLOYMENT (B1) USE
BIO-PARK, BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3AX
Received 15 Feb 2010
Decided - Granted6/2018/2045/HOUSE
Installation of 1 x front dormer
35 Huggins Lane Welham Green Hatfield AL9 7LJ
Received 6 Aug 2018
Decided - Granted6/2017/1836/VAR
Variation of condition (approved plans) on planning permission N6/2014/1785/FP, dated 03/03/2015
16 Turpins Chase Welwyn AL6 0RA
Received 17 Aug 2017

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