England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
24,623Searchable applications
313Recorded as pending
86%Approval rate · 20,183 approved or refused records
2,788Refused applications

17,395 approved · 2,788 refused · 1,297 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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

  1. Decided - Withdrawn6/2022/0421/FULL

    Erection of replacement building

    Timber Yard Coopers Lane Northaw Potters Bar EN6 4NE

    Received 23 Feb 2022
  2. Decided6/2022/2559/FULL

    Installation of a dropped kerb to facilitate a carriage driveway

    20 Great North Road Welwyn Garden City AL8 7TH

    Received 8 Nov 2022
  3. Decided - Withdrawn6/2022/1725/TC

    Reduce 4 x Sycamore by 50% Reduce 2 x Yew & Holly by 50% Reduce 1x Yew by 50% Remove 2 x wingnut shrub

    The Rectory 1 Fore Street Hatfield AL9 5AN

    Received 21 Jul 2022
  4. Decided - Granted6/2018/0880/EM

    Erection of a single storey rear extension and a two storey side and rear extension following the demolition of existing conservatory and study and the installation of 2 rear rooflights

    2 Rayfield Welwyn Garden City AL8 7HR

    Received 3 Apr 2018
  5. Decided - Refused6/2019/2084/FULL

    Change of use of lower level, ground floor level and part of first floor level to gymnasium and fitness studio (Use Class D2); retention of office (Use Class B1) on part of first floor level; installation of 6no condenser units; external staircase; timber cladding and additional glazing to front (west) elevation and alterations to openings

    Cedar House, Sopers Road, Cuffley, Potters Bar, EN6 4RY

    Received 21 Aug 2019
  6. Decided6/2023/0954/TC

    Fell 2 x apple tree, fell Lawson cypress, and Reduce Lawson cypress by 30%

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 4 May 2023
  7. Decided - Granted6/2016/0452/LB

    Removal of Victorian Bath

    Brocket Hall, Brocket Park, Marford Road, Lemsford, Welwyn Garden City, AL8 7XG

    Received 17 Mar 2016
  8. Decided - Granted6/2025/1923/EM

    Installation of new wooden shed and wooden sauna following removal of existing shed

    10 Woodland Rise Welwyn Garden City AL8 7LF

    Received 8 Sept 2025
  9. Decided - Granted6/2021/3375/HOUSE

    Loft conversion including insertion of two rear dormers and three front roof lights

    23 Great Braitch Lane Hatfield AL10 9FD

    Received 30 Nov 2021
  10. Decided - Granted6/2025/0664/COND

    Submission of details pursuant to condition number 1(C) (Site investigation and post investigation assessment) , 3 (Slate Vents) and 4 (Methodology for re-slating of roof) on planning permission 6/2024/1045/LB

    1 Woodhill House Kentish Lane Hatfield AL9 6JY

    Received 7 Apr 2025
  11. Decided - Granted6/2016/0714/EM

    Erection of single storey rear extension and alterations to driveway following demolition of an existing single storey flat roof extension to the rear of the house

    4 The Links, Welwyn Garden City, AL8 7DS

    Received 13 Apr 2016
  12. Under Consultation6/2026/1752/OUTLINE

    Outline planning application (with all matters other than primary access reserved) for up to 200 dwellings, including public open space, landscaping, surface water drainage, and associated infrastructure, with means of primary vehicular access from Northaw Road East

    Land South of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 1 Oct 2026
  13. Decided - Granted6/2020/3460/EM

    Erection of a wooden summerhouse in rear garden. Measurements will be: length 3.71m, width 3.1m, max height 2.5m.

    254 Handside Lane Welwyn Garden City AL8 6TG

    Received 30 Dec 2020
  14. Decided - Granted6/2022/1680/EMT

    T1 Conifer tree in rear garden - fell to ground level

    3 The Pastures Welwyn Garden City AL7 4PX

    Received 15 Jul 2022
  15. Decided - Granted6/2024/1033/HOUSE

    Erection of a single storey rear/ side extension, raising of existing flat roof to side extension and insertion of rooflight into existing roof

    27 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 4 Jun 2024
  16. Decided - Granted6/2024/0611/LAWE

    Certificate for the existing lawfulness for HMO

    69 High Dells Hatfield AL10 9JD

    Received 2 Apr 2024
  17. Decided - Granted6/2023/1778/EMT

    T1 Fell dead Cherry tree to leave a stump approximately 1m high T2 Crown reduction of Apple tree back to previous cuts, approximately 3-4m from branch tips T3 Fell frost damaged Eucalyptus tree by house to ground level and eco-plug the stump

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 23 Aug 2023
  18. Decided - Granted6/2021/3192/COND

    Submission of details pursuant to condition 5 (scaled plan of both hard and soft landscaping works), 8 (glazing and ventilation scheme), 9 (details of noise from plant and equipment), and 10 (noise survey) on planning application 6/2019/2782/VAR.

    Plot 6000 Hatfield Business Park Hatfield AL10 9UA

    Received 8 Nov 2021
  19. Decided - Granted6/2016/1812/HOUSE

    Erection of ground floor side and rear extension

    5 Thornton Road, Little Heath, Potters Bar, EN6 1JJ

    Received 5 Sept 2016
  20. Decided - Withdrawn6/2022/2601/HOUSE

    Erection of a single storey rear extension with insertion of rooflight, following demolition of existing conservatory

    20 Leysdown Welwyn Garden City AL7 2PY

    Received 14 Nov 2022
  21. Decided - Granted6/2018/2638/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 4m in height, 3m to the eaves

    105 The Commons Welwyn Garden City AL7 4RZ

    Received 15 Oct 2018
  22. Decided - Granted6/2021/2027/TPO

    Reduce 1 x Oak tree, 1 x Sweet Chestnut tree, 1 x Hornbeam tree by 25% and remove deadwood covered by TPO

    1 Oaklands Rise Welwyn AL6 0RG

    Received 1 Jul 2021
  23. Decided - Granted6/2016/1197/EM

    Removal of Silver birch tree

    1 Nursery Gardens, Welwyn Garden City, AL7 1SF

    Received 13 Jun 2016
  24. Decided - Granted6/2019/2448/EM

    Reduce 1 x Cherry tree limb by 2m and remove lowest branch to north east.

    4 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN

    Received 2 Oct 2019

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

View all applications

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.

  • 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.

  • 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.

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