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
36,645Searchable applications
335Recorded as pending
86%Approval rate · 30,521 approved or refused records
4,192Refused applications

26,329 approved · 4,192 refused · 1,964 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedW6/2015/0634/EM

    Replacement of vehicle hardstanding

    340 Howlands, Welwyn Garden City, AL7 4HD

    Received 24 Mar 2015
  2. Decided - GrantedW6/2014/0242/EM

    Installation of roof light in side elevation following removal of existing bathroom window

    42 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 31 Jan 2014
  3. Decided - Granted6/2020/2385/HOUSE

    Erection of a single story rear extension

    161 Parkway Welwyn Garden City AL8 6JA

    Received 17 Sept 2020
  4. Appeal Decided - Dismissed6/2018/2179/HOUSE

    Erection of single storey front and rear extensions and the replacement of the existing roof to a raised level

    39 Reddings Welwyn Garden City AL8 7LA

    Received 22 Aug 2018
  5. DecidedN6/2009/0102/TC

    20% CROWN REDUCTION OF OAK TREE IN REAR GARDEN

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

    Received 15 Jan 2009
  6. Decided - Withdrawn6/2019/3167/LB

    Formation of hard landscaping works including new vehicle crossover and driveway

    17 Beehive Green Welwyn Garden City AL7 4BE

    Received 17 Dec 2019
  7. Decided - GrantedN6/2015/0144/FP

    Alterations to shop front to include the removal of the existing frames to a fully glazed shop front

    Wrights, 36 Stonehills, Welwyn Garden City, AL8 6PD

    Received 22 Dec 2014
  8. DecidedN6/2008/2003/TC

    REMOVE LOWER BRANCHES OF OAK TREE IN FRONT GARDEN AND RAISE CROWN TO 4 METRES

    4 THE GLADE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LG

    Received 18 Oct 2008
  9. Decided - GrantedW6/2013/0053/EM

    Retention of garage

    9 Elmwood, WELWYN GARDEN CITY, AL8 6LD

    Received 14 Jan 2013
  10. Decided - Refused6/2025/2173/LAWP

    Certificate of lawfulness for erection of a single storey rear extension and alterations to front porch

    8 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 13 Oct 2025
  11. Decided - RefusedS6/2014/1886/LUP

    Certificate of lawfulness for construction of brick piers, wall, railings and entrance gates

    St Michaels Woodside, Wildhill Road, Brookmans Park, Hatfield, AL9 6DL

    Received 22 Aug 2014
  12. Decided - Granted6/2017/1732/EM

    Erection of a single storey side extension and first floor rear extension following demolition of existing garage

    48 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 7 Aug 2017
  13. Decided - GrantedS6/2012/2677/DS

    Discharge of condition 5 (Landscaping) from planning permission S6/2012/0714/FP

    Nyn Park, Well Road, Northaw, POTTERS BAR, EN6 4BS

    Received 28 Dec 2012
  14. Under Consultation6/2026/1191/COND

    Submission of details pursuant of condition 3 (ground investigation), condition 5 (construction method statement), condition 8 (detailed section), condition 13 (electric vehicle charging), condition 15 (materials), condition 16 (internal layouts), condition 17 (refuse & recycling storage), condition 35 (water calculations) on planning permission 6/2023/1886/FULL

    Long Arm Short Arm 18 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 9 Jul 2026
  15. Decided - GrantedS6/2015/0749/LUP

    Certificate of lawfulness for the erection of rear conservatory

    15 Brookside Crescent Cuffley Potters Bar EN6 4QW

    Received 7 Apr 2015
  16. Decided - Granted6/2016/2550/TPO

    Reduce Stem of Hornbeam tree by 50% - Conservation Area

    2 Beehive Green Welwyn Garden City AL7 4BE

    Received 29 Nov 2016
  17. Decided - Granted6/2021/1898/EMT

    Reduce Scots Pine tree by 3m in height and width.

    12 Meadow Green Welwyn Garden City AL8 6SS

    Received 21 Jun 2021
  18. Decided - RefusedW6/2014/0723/EM

    Erection of two storey rear extension, loft conversion incorporating a dormer window to rear elevation and new obscured windows to second floor side elevation gables. New bulls eye window to ground floor front elevation

    3 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 3 Apr 2014
  19. Decided6/2023/1391/TC

    1 x large leylandii tree to trim the crown to approximately half of the current size at the rear-left corner of the property

    25 Wilkins Grove Welwyn Garden City AL8 6JS

    Received 4 Jul 2023
  20. Decided - Granted6/2019/1500/LB

    Installation of 8 x non illuminated and 3 x illuminated Signs

    The Wrestlers Public House 89 Great North Road Hatfield AL9 5LP

    Received 19 Jun 2019
  21. Decided - Granted6/2015/2079/HOUSE

    Erection of a single storey rear extension

    48 Bradshaws Hatfield AL10 9QP

    Received 7 Oct 2015
  22. Decided6/2021/0712/TC

    Reduce 1 x Oak tree (T1) by 30%, remove overhanging branch of 1 x Gleditsia (T2), remove deadwood of 1 x Oak tree (T3) covered by conservation area

    121 Handside Lane Welwyn Garden City AL8 6TA

    Received 3 Mar 2021
  23. Decided6/2024/2183/TC

    1x Scots pine to fell.

    5 The Lawns Welwyn Garden City AL8 7HU

    Received 12 Nov 2024
  24. Decided - Granted6/2020/1008/LB

    Replacement windows

    Mill Green, Mill Green Museum and Mill, Bush Hall Lane, Hatfield AL9 5PD

    Received 5 May 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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

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