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
40,014Searchable applications
298Recorded as pending
86%Approval rate · 33,556 approved or refused records
4,792Refused applications

28,764 approved · 4,792 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2008/0409/FP

    INSTALLATION OF TWO STORAGE CONTAINERS FOLLOWING REMOVAL OF SHEDS

    BROOKMANS PARK JMI SCHOOL, BRADMORE WAY, BROOKMANS PARK, HERTFORDSHIRE, AL9 7QY

    Received 27 Mar 2008
  2. Decided - Granted6/2023/1852/EM

    Installation of an in-roof Solar PV system on North-West facing roof, situated in the centre of the roof, bordered by tiles on the top, left and right

    11 Templewood Welwyn Garden City AL8 7HT

    Received 5 Sept 2023
  3. Appeal Decided - Allowed6/2021/0237/OUTLINE

    Outline permission for the erection of a detached dwelling with all matters reserved.

    The Bungalow Great North Road Hatfield AL9 6DB

    Received 26 Jan 2021
  4. Decided - Granted6/2021/2434/EMH

    Erection of a single storey summerhouse/shed to rear

    6 Nut Grove Welwyn Garden City AL8 7SQ

    Received 18 Aug 2021
  5. Decided - GrantedN6/2004/0963/FP

    RETENTION OF WOODEN DECKING AND FENCING.

    27 Cowper Road Welwyn Garden City AL7 3LT

    Received 25 Jun 2004
  6. Decided - RefusedS6/2014/1604/FP

    Erection of first floor rear extension

    11 Church Lane, Northaw, Potters Bar, EN6 4NX

    Received 16 Jul 2014
  7. Decided - Granted6/2016/1086/FULL

    Demolition of existing staircase extension and construction of new staircase extension with lift; construction of two storey side extension to form two B1 studio units; extension of ground floor shopfronts forward to existing column line on Salisbury Square; external alterations to elevations including re-cladding in brickwork and render, new shopfronts and fenestration; provision of new plant enclosure.

    York House, 8-14 Salisbury Square Hatfield AL9 5AD

    Received 2 Jun 2016
  8. Decided - GrantedS6/2014/1021/DS

    Approval of details reserved by condition 6 (hard and soft landscaping) of planning permission S6/2013/1887/FP

    36 Mulberry Mead, Hatfield, AL10 9EN

    Received 9 May 2014
  9. Decided - Refused6/2024/0969/HOUSE

    Erection of a single storey rear extension following the demolition of conservatory, two storey side extension and chimney removal

    24 Springfields Welwyn Garden City AL8 6XP

    Received 23 May 2024
  10. Decided6/2022/0190/TC

    T1 Ash - Fell.

    179 Parkway Welwyn Garden City AL8 6JA

    Received 27 Jan 2022
  11. Decided - RefusedN6/2007/0501/FP

    CHANGE OF USE FROM CLASS A1 (RETAIL) TO A2 (FINANCIAL AND PROFESSIONAL SERVICES)

    25 Station Road Digswell Welwyn AL6 0DU

    Received 27 Mar 2007
  12. Decided - GrantedW6/2013/1400/EM

    Erection of greenhouse

    9 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 1 Jul 2013
  13. Decided - RefusedW6/2006/0576/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    121 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 2 May 2006
  14. Call In/Major Objection6/2026/0021/OUTLINE

    Outline permission for the erection of up to 30 dwellings on land to the rear of 105 Northaw Road West including alterations to the existing site access with all matters reserved apart from access

    105 Northaw Road West Northaw Potters Bar EN6 4NS

    Received 6 Jan 2026
  15. Decided - GrantedN6/2009/1207/TE

    FELLING OF ROBINIA TREE

    25 DIGSWELL ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PB

    Received 12 Jun 2009
  16. Decided - GrantedW6/2005/1587/EM

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION AND NEW GARAGE

    114 Longcroft Lane, Welwyn Garden City, AL8 6EN

    Received 21 Dec 2005
  17. Decided - Refused6/2025/2209/FULL

    Retrospective change of use from industrial to gym/light industrial with no external alterations

    17B Southfield Welwyn Garden City AL7 4ST

    Received 17 Oct 2025
  18. Decided - WithdrawnN6/2014/0774/FP

    Erection of part two storey, part first floor side extension

    48A Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 7 Apr 2014
  19. Appeal Decided - DismissedN6/2006/0684/TP

    REMOVAL OF SILVER BIRCH COVERED BY TPO 5 GROUP 1

    4 Birch Grove Welwyn AL6 0QP

    Received 30 May 2006
  20. Decided - GrantedS6/2008/1013/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    51 WOODS AVENUE, HATFIELD, HERTFORDSHIRE, AL10 8QF

    Received 28 Jun 2008
  21. Decided - Granted6/2017/2831/COND

    Submission of details pursuant to condition 1 (elevations of windows and sectional drawings) on listed building permission 6/2017/0929/LB, dated 04/07/2017

    24 Church Street Hatfield AL9 5AW

    Received 4 Dec 2017
  22. Decided - Refused6/2022/1003/HOUSE

    Erection of a part single, part two storey side and rear extensions following demotion of existing garage.

    15 The Paddocks Welwyn Garden City AL7 2BW

    Received 27 Apr 2022
  23. Appeal Decided - DismissedN6/2009/1053/MA

    ERECTION OF 207 DWELLINGS AND THE RETENTION AND ALTERATION OF THE EXISTING LISTED BUILDING FOR COMMUNITY USES, TOGETHER WITH ASSOCIATED OPEN SPACE, LANDSCAPING, CAR PARKING AND NEW ACCESS ARRANGEMENTS

    FORMER ROCHE PRODUCTS LTD, BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3AY

    Received 2 Jun 2009
  24. Decided - Refused6/2025/2051/HOUSE

    Two storey front extension to increase width of front gable and single storey front extension and roof canopy to connect to the existing front garage.

    21E Canonsfield Welwyn AL6 0QB

    Received 25 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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Guides to planning records

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  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

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  • Property research · 13 min read

    Planning approval rates: how to read council statistics

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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.

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