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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2018/0863/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    80 Boundary Lane Welwyn Garden City AL7 4DP

    Received 3 Apr 2018
  2. Decided - Granted6/2018/0430/HOUSE

    Erection of a single storey rear extension

    50B London Road Welwyn AL6 9HX

    Received 12 Feb 2018
  3. Decided - Withdrawn6/2016/0312/EM

    Erection of single storey rear and first floor side extension

    22 Turmore Dale, Welwyn Garden City, AL8 6HS

    Received 25 Feb 2016
  4. Appeal Decided - Allowed6/2022/2668/HOUSE

    Erection of single storey side and rear extension, raising existing boundary wall with metal railings and installation of metal railing sliding gate

    29 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 23 Nov 2022
  5. Decided6/2024/0739/TC

    T1- Walnut- removal of remains of broken branch damaged by a large passing vehicle and two very low branches to raise canopy and create clearance 6 meters from ground level.

    65 Handside Lane Welwyn Garden City AL8 6SH

    Received 22 Apr 2024
  6. Decided - Granted6/2026/0963/HOUSE

    Erection of single side and rear extensions

    21 Landbeach Welwyn Garden City AL7 2QB

    Received 2 Jun 2026
  7. Decided - GrantedN6/2014/1270/FP

    Erection of single storey rear extension

    82 Walnut Grove, Welwyn Garden City, AL7 4EU

    Received 5 Jun 2014
  8. DecidedN6/2009/1171/TE

    REMOVAL OF THREE CONIFER TREES AND REPLACEMENT EVERGREEN HEDGE PLANTED PLUS SYRINGA (LILAC) TREE PLANTED AT BOUNDARY WITH THE PAVEMENT

    14 FEARNLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HW

    Received 29 May 2009
  9. Decided - Granted6/2018/0487/EM

    Crown reduce 1 x oak tree by 2m in height and by 2m laterally, and 1 x crown reduce ash tree up to 15% (cutting back to previous growth points) - Estate Management

    10 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 20 Feb 2018
  10. Decided - Granted6/2025/0927/HOUSE

    Erection of a detached annexe

    18 Birchwood Close Hatfield AL10 0PP

    Received 19 May 2025
  11. Decided - RefusedS6/2014/2155/FP

    Erection of single storey rear extension with pitched roof and rooflight and two storey side extension with pitched roof

    1 Furzen Crescent Hatfield AL10 9QL

    Received 1 Oct 2014
  12. Decided - Refused6/2020/1021/PN8

    Prior approval for a single storey rear extension measuring 8.00m in depth, 3.53m in height and 3.50m to the eaves

    22 Hawkshead Lane Hatfield AL9 7TB

    Received 6 May 2020
  13. Decided - Granted6/2016/0342/HOUSE

    Partial demolition of existing rear extension and removal of existing pitch roof with flat. Part double-storey rear extension with rear balcony above ground floor level. Alterations to front garage roof. Removal of existing porch, double storey front extension with portico and alterations to roof including raising the ridge, installation of flat roof-lights and dormers to the rear.

    20A The Ridgeway, Cuffley, Potters Bar, EN6 4AR

    Received 29 Feb 2016
  14. Decided - Granted6/2017/2756/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    21 Eagle Way Hatfield AL10 8RQ

    Received 27 Nov 2017
  15. Under Consideration6/2026/1318/COND

    Submission of details pursuant of condition 1 (biodiversity gain plan) on planning permission 6/2025/2133/FULL

    58 Bell Lane Brookmans Park AL9 7AY

    Received 28 Jul 2026
  16. Decided - GrantedN6/2008/2120/TP

    CUT BACK BRANCHES AND REDUCE CROWN BY 20% FROM OAK TREE COVERED BY TPO 267 T2

    7 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JZ

    Received 11 Nov 2008
  17. Decided - GrantedN6/2004/1283/TP

    WORK TO FIVE HORNBEAMS AND ONE CHESTNUT TREE COVERED BY TPO123

    Land rear of 3 Oaklea Close Welwyn AL6 0QL

    Received 23 Aug 2004
  18. Decided - Granted6/2025/1763/COND

    Submission of details pursuant to condition number 2 (Arboricultural Impact Assessment) on planning permission 6/2025/1302/VAR

    Land adjacent to Bell Lane Bell Bar The Brookmans Park Estate AL9 7AY

    Received 19 Aug 2025
  19. Decided - Withdrawn6/2017/2407/HOUSE

    Erection of first floor side extension and alterations to openings for the facilitation of garage conversion

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 19 Oct 2017
  20. Decided - Withdrawn6/2025/0587/LB

    Erection of single storey rear and side extension, conservatory and new detached garage with associated external landscaping, following the demolition of extensions including existing conservatory, single storey brick extension and 2no detached garages

    The Old Rectory 23-25 Mill Lane Welwyn AL6 9EU

    Received 27 Mar 2025
  21. Decided - Granted6/2019/2851/LAWP

    Certificate of the lawfulness for the conversion of garage into habitable space with alterations to openings

    34 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 12 Nov 2019
  22. Decided - GrantedS6/2008/1862/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    116 TOLMERS ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JR

    Received 29 Sept 2008
  23. Decided - Granted6/2025/0280/EM

    Installation of 13 no. solar panels to the rear elevation pitched roof of the property

    59 Marsden Green Welwyn Garden City AL8 6YD

    Received 17 Feb 2025
  24. Decided6/2020/1925/TC

    Removal of dead Sycamore tree

    51 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 30 Jul 2020

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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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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