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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedW6/2007/0688/EM

    ERECTION OF TWO STOREY REAR EXTENSION

    120 Longcroft Lane Welwyn Garden City AL8 6EN

    Received 2 May 2007
  2. Decided - Granted6/2021/2329/EM

    Erection of single single storey side extension involving the demolistion of the existing single storey side extension

    109 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 5 Aug 2021
  3. Decided - RefusedS6/2007/1619/AD

    RETROSPECTIVE APPLICATION FOR THE ERECTION OF AN INTERNALLY ILLUMINATED FASCIA SIGN

    Bengal Paradise 3 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 31 Oct 2007
  4. Decided - Refused6/2022/2134/COND

    Submission of details pursuant of condition 2 (archaeological evaluation) on planning permission 6/2019/2431/MAJ

    Link Drive Car Park Link Drive Hatfield AL10 8TY

    Received 13 Sept 2022
  5. Decided - GrantedN6/2004/1606/AD

    OVERHEAD ILLUMINATED STATIC FASCIA AND PROJECTING SIGN

    HALFORDS LTD, 35-37 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6AP

    Received 28 Oct 2004
  6. Decided - Granted6/2018/0288/EM

    Erection of single storey rear and front extension

    36 Marley Road Welwyn Garden City AL7 4BS

    Received 30 Jan 2018
  7. Decided - RefusedN6/2006/0298/FP

    ERECTION OF TWO STOREY REAR AND SIDE EXTENSIONS AND SINGLE STOREY REAR EXTENSION

    5 Wheatley Road Welwyn Garden City AL7 3LL

    Received 10 Mar 2006
  8. Decided - GrantedS6/2008/0575/FP

    ERECTION OF PITCHED ROOF TO EXISTING FRONT EXTENSION

    17 Elm Drive Hatfield AL10 8NR

    Received 17 Mar 2008
  9. Decided - RefusedS6/2006/0193/FP

    FIRST FLOOR SIDE AND SINGLE STOREY REAR EXTENSIONS

    6 West View Hatfield AL10 0PJ

    Received 14 Feb 2006
  10. Decided - GrantedN6/2008/0354/FP

    FORMATION OF OUTDOOR RIDING ARENA WITH SURROUNDING TIMBER FENCE

    THE MANOR HOUSE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BW

    Received 22 Feb 2008
  11. Decided - Granted6/2016/1247/EM

    Erection of a two storey side extension, two storey rear extension, single storey side and rear extensions, alterations to windows and doors, internal alterations and alterations to the driveway including the widening of the vehicular crossover

    52 Sherrardspark Road, Welwyn Garden City, AL8 7LB

    Received 22 Jun 2016
  12. Decided6/2018/1683/TPO

    Reduce 1 x Yew tree (T1) by 2m from branch tips, 1 x Yew tree (T3) by 3m from branch tips and 5 x Lawsons Cypress (G2) by 3m in height and 1m from lateral branch tips and fell 3 x Holly trees (T2, T4 and G1) - conservation area

    17A Beehive Green Welwyn Garden City AL7 4BE

    Received 22 Jun 2018
  13. Decided - Refused6/2019/2644/HOUSE

    Retention of garden shed and garden fence

    43 Moorlands Welwyn Garden City AL7 4PY

    Received 21 Oct 2019
  14. Decided - Granted6/2020/2530/LAWP

    Certificate of lawfulness for the erection of detached garden room.

    27 Furzefield Road Welwyn Garden City AL7 3RL

    Received 1 Oct 2020
  15. Decided - Refused6/2015/2342/FULL

    Erection of 3no three bedroom dwellings following demolition and replacement of existing dwelling with associated garaging and parking

    37 Church Street Welwyn AL6 9LS

    Received 13 Nov 2015
  16. Decided - Granted6/2018/1368/HOUSE

    Erection of first floor rear extension

    5 Mary Proud Court Oak Piece Welwyn AL6 0XG

    Received 22 May 2018
  17. Decided - RefusedS6/2009/2026/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    13 TOLMERS AVENUE, CUFFLEY, POTTERS BAR, HERTS, EN6 4QA

    Received 17 Sept 2009
  18. Decided - GrantedS6/2015/0916/HH

    Prior approval of single storey rear extension

    23 Pine Grove, Brookmans Park, Hatfield, AL9 7BP

    Received 28 Apr 2015
  19. Decided - Granted6/2024/1008/HOUSE

    Erection of a first floor side/ rear extension and installation of front and rear dormers to facilitate loft conversion

    4 Sharmans Close Digswell Welwyn AL6 0AR

    Received 30 May 2024
  20. Decided - Granted6/2024/2201/HOUSE

    Erection of a part single, part double storey rear extension, insertion of roof lights, and installation of solar panels to existing garage roof

    15 Guessens Road Welwyn Garden City AL8 6QL

    Received 14 Nov 2024
  21. Appeal Decided - DismissedN6/2013/2421/FP

    Erection of two storey and single storey rear extensions

    53 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 18 Nov 2013
  22. Decided - RefusedN6/2004/0717/FP

    TWO STOREY SIDE EXTENSION

    5 Linces Way Welwyn Garden City AL7 3JN

    Received 13 May 2004
  23. Decided - GrantedW6/2004/0307/EM

    ERECTION OF REAR CONSERVATORY

    32 Beehive Lane, Welwyn Garden City, AL7 4BQ

    Received 3 Mar 2004
  24. Decided - GrantedS6/2015/0686/FP

    Erection of first floor side and rear extension and single storey and rear extension

    8 Cedar Road Hatfield AL10 8PA

    Received 26 Mar 2015

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.

  • 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