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

40,297Searchable applications

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/2080/VAR
Variation of condition 5 (approved plans) on planning permission 6/2022/1911/FULL to increase the size of the approved agricultural storage building
Land adjacent to 1 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE
Received 11 Oct 2023
DecidedN6/2008/2124/TC
REDUCE AND SHAPE CROWN OF TREE BY 20%.
LAND ADJACENT TO, 47 GUESSENS GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RF
Received 12 Nov 2008
Decided - Granted6/2023/1063/EMT
1 x Yew to reduce height by 2m
10 Mandeville Rise Welwyn Garden City AL8 7JU
Received 19 May 2023
Decided - RefusedW6/2004/1524/EM
FIRST FLOOR SIDE EXTENSION
38 Lemsford Lane, Welwyn Garden City, AL8 6YJ
Received 12 Oct 2004
Decided - RefusedW6/2007/0494/EM
ERECTION OF TWO STOREY SIDE EXTENSION
143 Hollybush Lane, Welwyn Garden City, AL7 4JT
Received 23 Mar 2007
Decided - GrantedC6/1987/0456/FP
Side extension to form garage
68 Maple Grove, Welwyn Garden City, AL7 1NL
Received 1 Jan 1987
Decided - Granted6/2025/1509/EMT
Reduce mature Eucalyptus tree by a third back to previous pruning points
24 Guessens Road Welwyn Garden City AL8 6RA
Received 11 Jul 2025
Decided - GrantedW6/2004/1181/EM
RETENTION OF 2.4 METRE HIGH BOUNDARY FENCE
46 Daniells, Welwyn Garden City, AL7 1QX
Received 3 Aug 2004
Decided - Withdrawn6/2015/2242/VAR
Variation of condition 1 (Plans) of planning permission N6/2015/0560/FP - Erection of Four bedroom semi detached dwellings following demolition of existing public house
The Fox Public House 21 New Road Woolmer Green Knebworth SG3 6JX
Received 3 Nov 2015
Decided - GrantedS6/2013/0406/FP
Retention of single storey rear extension
41 Broad Acres Hatfield AL10 9LE
Received 27 Feb 2013
Decided - GrantedS6/2006/0423/FP
ERECTION OF PART FIRST FLOOR SIDE AND TWO STOREY FRONT EXTENSION , CONVERSION OF EXISTING GARAGE TO HABITABLE ACCOMODATION, NEW GABLE TO FRONT ELEVATION AND ALTERATIONS TO FENESTRATION TO FRONT AND REAR ELEVATIONS
THE SPINNEY, 27 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BB
Received 31 Mar 2006
Decided - Granted6/2026/1586/TPO
T1 - 1 x Beech tree - crown reduce by approx 2-3m - Remove any major deadwood throughout crown
3 Wendover Drive Welwyn AL6 9LT
Received 10 Sept 2026
Decided - Granted6/2020/0049/EM
Installation of fence and replacement of multi-species hedge
23 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 10 Jan 2020
Decided - GrantedW6/2014/0829/EM
Erection of rear conservatory following demolition of existing wooden conservatory
58 Thistle Grove, Welwyn Garden City, AL7 4AN
Received 14 Apr 2014
Decided - Refused6/2018/0541/FULL
Formation of new vehicular access, including the change of use of highway verge to facilitate vehicle crossover and change of use of agricultural land for construction of a driveway.
Stanboroughbury Farm Coopers Green Lane Hatfield AL8 7XA
Received 23 Feb 2018
Decided - Withdrawn6/2015/2426/LAWE
Certificate of lawfulness for the development application for the residential use (C3) of the Business Centre building and land within its curtilage at Rank Xerox, Bessemer Road, AL7 1HE.
Rank Xerox Technical Centre, Bessemer Road, Welwyn Garden City, AL7 1HE
Received 8 Dec 2015
Decided - GrantedW6/2015/0096/TE
Removal of 9 Maple trees
29 Bassingburn Walk, Welwyn Garden City, AL7 3QQ
Received 22 Jan 2015
Decided - GrantedS6/2014/0558/FP
Change of use of existing first floor offices (use class B1) to 3 two bedroom flats (use class C3)
84A Town Centre, Hatfield, AL10 0JW
Received 18 Mar 2014
Decided - Refused6/2024/0202/FULL
Erection of two storey side extension with front gable to the existing dwelling and part single, part two storey rear extension, and change of use of adjacent amenity land to residential
1 Cedar Road Hatfield AL10 8NZ
Received 1 Feb 2024
Decided - GrantedS6/2004/1414/FP
TWO STOREY SIDE EXTENSION
103 Great North Road Hatfield AL9 5LR
Received 22 Sept 2004
Decided6/2020/0699/TC
Reduce 1x Birch Tree [T1] by 30%
9 Barleycroft Green Welwyn Garden City AL8 6JY
Received 11 Mar 2020
Decided - Refused6/2022/0298/HOUSE
Erection of part two storey side extension following conversion of existing car port
18A London Road Woolmer Green Knebworth SG3 6JP
Received 9 Feb 2022
Decided - Granted6/2017/2155/COND
Submission of details pursuant to condition 3 (construction method statement) on planning permission 6/2016/2214/MAJ
Gate House Fretherne Road Welwyn Garden City AL8 6NS
Received 25 Sept 2017
Decided - RefusedW6/2007/1189/EM
ADDITIONAL HARDSTANDING TO FRONT GARDEN
42 The Vineyard, Welwyn Garden City, AL8 7PU
Received 7 Aug 2007

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