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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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Granted6/2022/2635/LAWP

    Certificate of lawfulness for the erection of an outbuilding

    91 Wellfield Road Hatfield AL10 0BY

    Received 21 Nov 2022
  2. Decided - Granted6/2025/1642/HOUSE

    Installation of new external gates following removal of existing external gates

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 30 Jul 2025
  3. Decided - GrantedS6/2007/1236/AD

    REPLACEMENT OF EXISTING SIGN WITH NEW ILLUMINATED SIGN AT COLLEGE LANE CAMPUS

    Dehavilland Campus University Of Hertfordshire, Mosquito Way, Hatfield, Hertfordshire, AL10 9RF

    Received 17 Aug 2007
  4. Decided - Granted6/2019/0122/COND

    Submission of details pursuant to condition 2 (Amended scheme of landscaping) and 3 (Construction works on either building hereby approved a plan showing details of a swept path) on planning application 6/2016/1975/RM

    Former Xerox Campus Bessemer Road Welwyn Garden City AL7 1HE

    Received 22 Jan 2019
  5. Decided - Granted6/2021/0411/EMT

    Reduce 1 x Western Red Cedar by 3m height & 1m width

    118 Ingles Welwyn Garden City AL8 7HG

    Received 9 Feb 2021
  6. Decided - Granted6/2020/2159/HOUSE

    Erection of single storey rear extension, garage conversion and extension to driveway

    43 Poppyfields Welwyn Garden City AL7 2HJ

    Received 25 Aug 2020
  7. Decided - Granted6/2018/0154/EM

    Fell 1 x Conifer tree

    19 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 16 Jan 2018
  8. Decided - GrantedS6/2008/0256/FP

    CHANGE OF USE OF FORMER CHAPEL TO PLACE OF WORSHIP WITH ADDITIONAL PARKING.

    FORMER CHAPEL, BELL LANE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7AY

    Received 11 Feb 2008
  9. Decided - Granted6/2018/0222/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.0m in depth, 4.0m in height and 3.0m to the eaves

    48 Parsonage Lane Welham Green Hatfield AL9 7LU

    Received 9 Jan 2018
  10. Decided - Granted6/2015/1685/LAWP

    Certificate of lawfulness for the installation of a gable window to rear elevation

    42 Georges Wood Road Brookmans Park Hatfield AL9 7BT

    Received 11 Aug 2015
  11. Decided - Granted6/2025/0398/COND

    Submission of details pursuant to informative 1 (Biodiversity Net Gain Condition) on planning permission 6/2024/2017/MAJ

    Land at Oakleigh Farm Codicote Road Welwyn AL6 9TY

    Received 3 Mar 2025
  12. Decided - GrantedC6/1988/0771/FP

    Erection of a single storey building for use as gatehouse

    40 Broadwater Road, Welwyn Garden City, AL7 3AY

    Received 1 Jan 1988
  13. Decided - Granted6/2024/1726/TPO

    T1 Oak Reduce back to old pruning points (2m). T2 Area of hornbeams to pollard to 8-10m. (TPO 800 (2018) G1)

    2a Mardley Hill Welwyn AL6 0TB

    Received 9 Sept 2024
  14. Decided - Granted6/2016/0603/EM

    Erection of single storey rear extension

    22 Bushey Ley, Welwyn Garden City, AL7 3HW

    Received 5 Apr 2016
  15. Decided - Granted6/2018/1903/TPO

    Reduce 1 x Beech (T1) tree by 30 % covered by TPO 398

    58 Bluebridge Road Brookmans Park AL9 7SA

    Received 19 Jul 2018
  16. Decided - Withdrawn6/2026/0686/FULL

    Erection of new dwelling and associated hard and soft landscaping following demolition of the existing dwelling and the detached garage

    11 Georges Wood Road Brookmans Park AL9 7BY

    Received 17 Apr 2026
  17. Decided - Refused6/2023/0312/ADV

    Installation of 1 x illuminated fascia sign and 1 x illuminated projecting sign or hanging sign (Retrospective)

    47 Howardsgate Welwyn Garden City AL8 6AP

    Received 8 Feb 2023
  18. Decided - Granted6/2021/0263/HOUSE

    Erection of single storey rear, part side, part first floor extension, including the painting and rendering of the building

    15 Northaw Road West Northaw Potters Bar EN6 4NW

    Received 28 Jan 2021
  19. Decided - Granted6/2019/2391/HOUSE

    Erection of front porch and single storey rear extension

    94 Brookmans Avenue Brookmans Park Hatfield AL9 7QQ

    Received 27 Sept 2019
  20. Decided - Granted6/2016/2663/HOUSE

    Formation of dormer window and creation of additional rooms in the roof space

    11A Briary Wood Lane Welwyn AL6 0TE

    Received 15 Dec 2016
  21. Decided - SplitN6/2015/0246/TP

    Removal of 9 Cypress trees, 3 Sweet Chestnut trees, 2 Red Cedar trees, Juniper, Magnolia, Laurel, Holly trees T1, T2, T3, T5, T10, T13, T14, T15, T16, T17, T19, T20, T21, T22, T24, T32, T33 and removal of G1, consisting of 13 Cupressus and 2 Larch trees plus reduce row of Hornbeam trees G2

    19 Woodland Way Welwyn AL6 0RX

    Received 6 Feb 2015
  22. Decided - Refused6/2022/1675/HOUSE

    Waterproofing of existing basement to dwelling.

    Bedwell Lodge Cucumber Lane Essendon Hatfield AL9 6JB

    Received 15 Jul 2022
  23. Decided - Granted6/2016/0795/TPO

    Reduce 3 Douglas Fir trees, T14, T15 and T16 by 4m (20%) in height and reduce any overlong limbs prone to failing to reshape the trees covered by TPO 294

    11 Wendover Drive Welwyn AL6 9LT

    Received 27 Apr 2016
  24. Decided - GrantedW6/2007/1649/EM

    ERECTION OF REAR AND SIDE CONSERVATORY

    53 Howlands, Welwyn Garden City, AL7 4RA

    Received 5 Nov 2007

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

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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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