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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/1998/0749/FP

    Erection of new headquarters and activity centre for 1st Welwyn Scout and Guide Group

    Land at, Whitehill, Welwyn

    Received 1 Jan 1998
  2. Decided6/2021/2688/TC

    Fell 2 large conifers and replace with Sambucus Nigra

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 16 Sept 2021
  3. Decided - Granted6/2017/0560/EM

    Erection of single storey side, two storey and single storey rear extension and first floor side window

    143 Howlands Welwyn Garden City AL7 4RL

    Received 20 Mar 2017
  4. Under Consideration6/2025/1080/COND

    Submission of details pursuant to condition number 3 (Hard and soft landscaping) on planning permission 6/2021/3436/RM

    Land North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 6 Jun 2025
  5. Decided - Granted6/2020/3111/HOUSE

    Erection of a part two storey and part single storey rear extension

    11 Thumbswood Welwyn Garden City AL7 4QE

    Received 23 Nov 2020
  6. Decided - Granted6/2022/1314/EMT

    1 x beech to reduce by approximately 2m height & width. Lift to 3m above ground level.

    8-14 Digswell Lodge Welwyn Garden City AL8 7NU

    Received 7 Jun 2022
  7. Appeal Decided - DismissedS6/2008/1389/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION, INSTALLATION OF ROOFLIGHTS AND REAR DORMER WINDOW

    15 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 8 Aug 2008
  8. Decided - Granted6/2022/2036/EMT

    Fell Mount Etna Broom tree

    4 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 1 Sept 2022
  9. Decided - Withdrawn6/2021/1825/COND

    Submission of details pursuant to condition 1 (Tree Protection Plan & Method Statement), 2 (Soft Landscape Works Plan) and 3 (Agreement on fence colour), on planning permission 6/2020/1228/HOUSE

    37 The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 14 Jun 2021
  10. Decided6/2022/2491/TC

    1 x Yew to reduce by 1.5m height & 1m width. Thin canopy by 15% 1 x Plum to reduce by around 2m in height and 2m width

    8 Attimore Close Welwyn Garden City AL8 6LN

    Received 31 Oct 2022
  11. Decided - Granted6/2021/3463/FULL

    Erection of 1 x two storey, 4-bed, detached dwelling, involving demolition of existing detached dwelling

    41 The Avenue Welwyn AL6 0PW

    Received 10 Dec 2021
  12. Decided - Granted6/2017/1543/EM

    Fell Leylandii tree

    3 Youngs Rise Welwyn Garden City AL8 6RT

    Received 14 Jul 2017
  13. Decided - GrantedN6/2009/1990/TC

    REMOVE LOWER BRANCHES OF OAK TREE OVERHANGING GARDEN OF 56 WOODLAND RISE UPTO PREVIOUS HEIGHT OF PRUNING. REDUCE BACK TO PREVIOUS POINTS.

    13 MANDEVILLE RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JT

    Received 14 Sept 2009
  14. Decided - Granted6/2025/1608/FULL

    Conversion and extension of the roof, including a dormer window to the front roof slope of the existing garage to form a sensory room and office, together with the creation of a rear glass link to the main building and the installation of a dormer window to the rear elevation of the main building; replacement of boundary treatment; alterations to highway access; and the creation of dedicated parking areas and a cycle store.

    115 Dixons Hill Road Welham Green Hatfield AL9 7EE

    Received 28 Jul 2025
  15. Decided6/2026/1744/TC

    1 x Robinia to reduce branches that are dying back to suitable growth points Remove remaining deadwood greater than 30mm in diameter

    49 Valley Road Welwyn Garden City AL8 7DH

    Received 1 Oct 2026
  16. Decided - Granted6/2020/2792/FULL

    Demolition of existing dwelling and garage, and erection of replacement dwelling and garage

    23A The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 26 Oct 2020
  17. Decided - GrantedN6/2004/1455/FP

    RENEWAL OF PLANNING PERMISSION N6/2000/164/FP FOR THE ERECTION OF TWO NEW DWELLINGS WITH ASSOCIATED ACCESS, PARKING AND LANDSCAPING.

    Land adjacent to 17 Bracken Lane and rear of 10 & 12 Oaklands Rise Welwyn AL6 0RB

    Received 1 Oct 2004
  18. Decided - Granted6/2019/1713/HOUSE

    Replacement of roof tiles following removal of existing tiled roofs, second chimney stack and solar panels (part retrospective)

    90 Handside Lane Welwyn Garden City AL8 6SN

    Received 11 Jul 2019
  19. Decided - RefusedS6/2014/0710/FP

    Erection of single storey side and rear extension

    28 Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 1 Apr 2014
  20. Decided - Split6/2026/1110/COND

    Submission of details pursuant to condition number 1 (drainage strategy) and 2 (landscaping) on planning permission 6/2025/1845/FULL

    12 Little Burrow Welwyn Garden City AL7 4SW

    Received 26 Jun 2026
  21. Decided - Granted6/2025/2574/TPO

    T1 Sycamore to reduce height by 3 meters and lateral branches by 2 meters or 20% reduction. (TPO 675 (2017) G1)

    19 Elmoor Avenue Welwyn AL6 9PG

    Received 15 Dec 2025
  22. Decided - Granted6/2016/0692/HOUSE

    Erection of single storey rear extension and alterations to openings

    12 Hyde Valley, Welwyn Garden City, AL7 4NA

    Received 13 Apr 2016
  23. Decided - Granted6/2015/2143/FULL

    Subdivision of existing dwelling into 2no flats and erection of ground floor rear extension and installation of 2no skylights at the rear of the existing pitched roof

    2 Hare Lane Hatfield AL10 8PP

    Received 20 Oct 2015
  24. Decided6/2025/1851/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

    40 Dellsome Lane Welham Green Hatfield AL9 7ND

    Received 1 Sept 2025

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

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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