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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
40,308Searchable applications
287Recorded as pending
86%Approval rate · 33,826 approved or refused records
4,820Refused applications

29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2017/2073/TPO

    Removal of Oak Tree - Conservation Area

    6 The Green Welwyn AL6 9EA

    Received 14 Sept 2017
  2. Decided - Granted6/2015/1517/HOUSE

    Erection of single part two storey side and rear extensions, garage conversion, front canopy pitched roof and installation of 2no roof lights to rear elevation

    17 Grangewood Little Heath Potters Bar EN6 1SJ

    Received 20 Jul 2015
  3. Decided - Granted6/2026/0213/EMT

    Goat willow to crown reduce back to previous pruning points.

    24 Elmwood Welwyn Garden City AL8 6LE

    Received 6 Feb 2026
  4. Decided - Granted6/2018/2522/EM

    Fell 2 x Silver Birch trees (A & D), 1 x fruit tree (B) and 1 x Apple tree (C) to replace with eg amelanchier or spindle (euonymus) tree and reduce crown of 1 x Silver Birch tree (E)

    23 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 2 Oct 2018
  5. Decided - Refused6/2022/0009/FULL

    Erection of a three storey, 5-bed, detached dwelling following demolition of existing dwelling

    104 Brookmans Avenue Brookmans Park Hatfield AL9 7QQ

    Received 5 Jan 2022
  6. Decided - GrantedS6/2015/0841/FP

    Erection of rear extension and installation of side dormer

    63 Westland Drive, Brookmans Park, Hatfield, AL9 7UG

    Received 17 Apr 2015
  7. Decided - Refused6/2026/0197/LAWP

    Certificate of lawfulness for the use of land as a permanent residential caravan site without limitation

    The Firs Park Woodside Lane Hatfield AL9 6DG

    Received 4 Feb 2026
  8. Decided - Granted6/2015/2253/HOUSE

    Erection of single storey rear extension

    43 Broomhills, Welwyn Garden City, AL7 1RE

    Received 5 Nov 2015
  9. Decided - RefusedN6/2008/0880/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSIONS

    67 NEWFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YS

    Received 4 Jun 2008
  10. Decided - Granted6/2016/2569/HOUSE

    Conversion of existing garage into habitable space and removal of lean-to out buildings to be replaced with single storey rear, side and front extension

    5 Selwyn Crescent Hatfield AL10 9NL

    Received 1 Dec 2016
  11. Decided - Granted6/2020/1017/HOUSE

    Part ground floor/ part two storey/ part first floor side and rear extensions and alterations to fenestration and front and rear landscape alterations.

    32 Turpins Chase Welwyn AL6 0RR

    Received 6 May 2020
  12. Decided6/2020/3113/TC

    Complete re-pollard of oak tree to the previous reduction points, except southern aspect of the tree which will receive reduction of 1m beyond the previous pollard points.

    1 Guessens Walk Welwyn Garden City AL8 6QS

    Received 23 Nov 2020
  13. Decided - Granted6/2021/0189/HOUSE

    Erection of a single storey rear extension with roof top terrace

    7 Kerdistone Close Little Heath Potters Bar EN6 1LG

    Received 21 Jan 2021
  14. Decided - Granted6/2019/1695/ADV

    Installation of 1x illuminated freestanding 4.5m totem signage

    Asda Superstore 98 Town Centre Hatfield AL10 0JP

    Received 10 Jul 2019
  15. Decided - RefusedW6/2008/1426/EM

    REMOVAL OF HEDGE AND FORMATION OF HARDSTANDING

    1 CAPONFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4AS

    Received 13 Aug 2008
  16. Decided - Granted6/2019/2257/EM

    Reduce 1x Birch tree by 4m

    43 Uplands Welwyn Garden City AL8 7EN

    Received 12 Sept 2019
  17. Decided - Refused6/2018/1488/HOUSE

    Retrospective loft conversion to habitable space including installation of rear pitched roof dormers, installation of velux windows and front entrance canopies

    7 Ground Lane Hatfield AL10 0HJ

    Received 4 Jun 2018
  18. Decided - Refused6/2024/0140/LAWP

    Certificate of lawfulness for proposed garage conversion to home office, shower and laundry room

    36 Poppyfields Welwyn Garden City AL7 2HJ

    Received 25 Jan 2024
  19. Decided - Withdrawn6/2019/0905/HOUSE

    Erection of a part-single, part-double-storey extension to rear and side.

    20 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 15 Apr 2019
  20. Decided - Refused6/2020/0410/HOUSE

    Erection of roof extension and installation of dormer to facilitate habitable space

    16 Great North Road Welwyn AL6 0PL

    Received 13 Feb 2020
  21. Decided - GrantedS6/2013/0443/FP

    Erection of rear and side extension, re-modeling of roof with half hipped gables to side and rear facing dormers and roof windows to rear

    150 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 1 Mar 2013
  22. Decided - Granted6/2020/1669/EMT

    Reduce 1 x Oak 4-5m height & 4m width Reduce 1 x Yew by 3m

    12 Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU

    Received 10 Jul 2020
  23. Decided - Granted6/2021/1418/HOUSE

    Erection of single storey side & rear extension and associated works

    16 New Road Digswell Welwyn AL6 0AG

    Received 4 May 2021
  24. Decided - GrantedW6/2004/1067/EM

    ERECTION OF PART SINGLE STOREY AND PART TWO STOREY REAR EXTENSION.

    11 Handside Close, Welwyn Garden City, AL8 6SR

    Received 12 Jul 2004

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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