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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2008/2334/FP

    DEMOLITION OF EXISTING CHURCH AND ERECTION OF 5 NO.THREE BEDROOM DWELLINGS

    BIRCHWOOD METHODIST CHURCH, BIRCHWOOD AVENUE, HATFIELD, HERTFORDSHIRE, AL10 0RH

    Received 27 Feb 2009
  2. Decided - Refused6/2022/0413/FULL

    Erection of part single storey, part two storey side and rear extensions and installation of windows/doors to the existing dwelling following the demolition of existing single storey extensions and outbuildings, the subdivision of the existing plot and the erection of two 4-bed, semi-detached dwellings with associated parking, bins and a shared access

    41 Hawkshead Lane Hatfield AL9 7TD

    Received 22 Feb 2022
  3. Decided - Granted6/2022/2026/HOUSE

    Proposed garage conversion including removal of the garage door, infill of the external wall and alterations to the fenestration and extension of hardstanding to the frontage of the site

    85 Lords Wood Welwyn Garden City AL7 2HG

    Received 1 Sept 2022
  4. Decided - GrantedW6/2014/2421/EM

    Retention of replacement front windows

    147 Boundary Lane, Welwyn Garden City, AL7 4EQ

    Received 24 Oct 2014
  5. Decided - Withdrawn6/2026/0745/LB

    Repointing of the principal front elevation. Localised repointing of approximately 2m of brickwork in the rear gable. Replacement of 20 damaged bricks to the chimney stacking reclaimed bricks to match the existing. Careful removal of failed pointing by hand Repointing using a lime-based mortar to match the original in composition. Pre-wetting of joints using a mist spray. Finishing of mortar joints flush with the the brick face.

    14 Fore Street Hatfield AL9 5AH

    Received 27 Apr 2026
  6. Decided - RefusedS6/2006/0333/FP

    ERECTION OF TWO STOREY SIDE EXTENSION

    28 Redhall Drive Hatfield AL10 9EE

    Received 16 Mar 2006
  7. Decided - Granted6/2021/1087/COND

    Submission of details pursuant to conditions 1 (material sample) and 3 (landscape plans), on planning permission 6/2020/2751/FULL

    44 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 1 Apr 2021
  8. Decided - GrantedN6/2014/1337/FP

    Installation of wall mounted air conditioning unit

    Lidl, 71-81 Moors Walk, Welwyn Garden City, AL7 2BQ

    Received 12 Jun 2014
  9. Decided - GrantedW6/2009/1656/EM

    CONVERSION OF EXISTING GARAGE INTO BEDROOM/LIVING SPACE

    128 LEMSFORD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YP

    Received 27 Jul 2009
  10. Decided - GrantedN6/2004/1015/FP

    ERECTION OF REAR CONSERVATORY

    23 Ramblers Way Welwyn Garden City AL7 2JU

    Received 5 Jul 2004
  11. Decided - Granted6/2018/0491/LAWP

    Certificate of lawfulness for erection of single storey side extension infill.

    7 Whetstone Close Welwyn AL6 0QW

    Received 20 Feb 2018
  12. Decided - GrantedN6/2013/2729/FP

    Change of use from mixed use B2/B8 (Sui-generis) to furniture workshop (B2)

    16 Southfield, Welwyn Garden City, AL7 4ST

    Received 23 Dec 2013
  13. Decided - GrantedW6/2014/1183/EM

    Retention of rear conservatory

    50 Thistle Grove Welwyn Garden City AL7 4AN

    Received 27 May 2014
  14. Decided - GrantedW6/2015/1087/EM

    Conversion of garage into habitable accommodation including installation of new door and three windows

    3 Broadfield Place, Welwyn Garden City, AL8 6LJ

    Received 26 May 2015
  15. Appeal Decided - Dismissed6/2022/1401/HOUSE

    Erection of first floor rear extension

    12 Heathlands Welwyn AL6 0UU

    Received 17 Jun 2022
  16. Decided - GrantedW6/2004/1029/EM

    ERECTION OF FIRST FLOOR REAR EXTENSION

    188 Handside Lane, Welwyn Garden City, AL8 6TD

    Received 7 Jul 2004
  17. Decided - Granted6/2023/1687/EM

    Replacement of bathroom window with white UPVC double glazed window with integral glazing bars

    12 Handside Close Welwyn Garden City AL8 6SR

    Received 11 Aug 2023
  18. Decided - GrantedN6/2015/1505/LAWE

    Certificate of lawfulness for the existing use as a beauty salon

    17 Wigmores South Welwyn Garden City AL8 6PL

    Received 15 Jul 2015
  19. Decided - Granted6/2019/3049/HOUSE

    Erection of single storey front, side and rear extensions, two storey side and rear extensions with alterations to the roof to create a crown roof with front and rear dormers and side roof lights

    6 Pine Grove Brookmans Park Hatfield AL9 7BS

    Received 3 Dec 2019
  20. Decided - Split6/2023/2388/COND

    Submission of details pursuant to conditions 11 and 39 (Samples of Materials), 13 and 41 (Landscape Plan and Details) on planning permission 6/2019/2714/OUTLINE

    YMCA 90 Peartree Lane Welwyn Garden City AL7 3UL

    Received 27 Nov 2023
  21. Decided - Granted6/2021/1327/HOUSE

    Erection of a front extension, porch extension and alterations to rear bay and windows

    7 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 26 Apr 2021
  22. Decided - GrantedS6/2007/1019/FP

    EXTENSION TO EXISTING CLINICAL BUILDING, TO PROVIDE LABORATORIES AND ASSOCIATED OFFICE SPACE

    Royal Veterinary College Hawkshead Lane North Mymms Hatfield AL9 7TA

    Received 6 Jul 2007
  23. Decided - GrantedN6/2009/0185/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION AND FIRST FLOOR SIDE EXTENSION

    14 Roman Way Welwyn AL6 9RJ

    Received 27 Jan 2009
  24. Decided - Withdrawn6/2022/2373/EMT

    Beech tree - 40% crown reduction

    34 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 12 Oct 2022

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