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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - Granted6/2018/0681/COND

    Submission of details pursuant to condition 1 (materials samples) on planning permission 6/2017/1618/FULL, dated 26/02/2018

    Essendonbury Farm Essendon Hill Essendon Hatfield AL9 6AF

    Received 12 Mar 2018
  2. Decided - Granted6/2021/3242/HOUSE

    Erection of a first floor side and two storey rear extensions

    Cromer House Marford Road Lemsford Welwyn Garden City AL8 7XD

    Received 12 Nov 2021
  3. Decided - Granted6/2019/1986/LAWP

    Certificate of lawfulness for installation of three roof lights in front elevation and erection of rear dormer

    35 Wheatley Road Welwyn Garden City AL7 3LL

    Received 9 Aug 2019
  4. Decided - Granted6/2022/1095/EMT

    Permission to fell an unsafe Silver Birch Tree and permission to reduce the crown of a Copper Beech Tree. The beech has previously been reduced on two occasions and permission is sought to reduce to the previous cuts.

    3 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 11 May 2022
  5. Decided - Granted6/2019/2630/EM

    Erection of rear garden fence following removal of 3 trees

    25 Autumn Grove Welwyn Garden City AL7 4DB

    Received 21 Oct 2019
  6. Decided - Granted6/2016/2312/FULL

    Installation of a canopy/walkway to the front (west) elevation of the school building. Replacement planting of shrubs adjacent to main entrance

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 3 Nov 2016
  7. Decided - GrantedN6/2015/0231/MA

    Erection of a temporary tower for peregrine falcon nesting box

    Land adjoining No.3 (Former Shredded Wheat Factory), Bridge Road/Broadwater Road/Hyde Way, Welwyn Garden City, AL8 6UN

    Received 5 Feb 2015
  8. Decided - GrantedC6/1988/0281/FP

    Single storey rear exgtension and conservatory

    100 Homestead Lane, Welwyn Garden City, AL7 4NX

    Received 1 Jan 1988
  9. Decided - Granted6/2018/1544/HOUSE

    Erection of part single, part two storey rear extension

    5 Heath Cottages Heath Road Little Heath Potters Bar EN6 1LS

    Received 11 Jun 2018
  10. Decided6/2025/0970/TC

    T1x Apple to reduce by approximately 1-1.5m, thin crown volume by approximately 15%

    23 Rooks Hill Welwyn Garden City AL8 6EU

    Received 27 May 2025
  11. Decided - Granted6/2016/0482/HOUSE

    Erection of first floor rear extension over existing ground floor extension, to incorporate three dormer windows to the rear, a central dormer window to the front elevation and two casement windows installed in the existing front gable areas

    45A King James Avenue, Cuffley, Potters Bar, EN6 4LN

    Received 24 Mar 2016
  12. Decided - Granted6/2023/0102/PN8

    Prior approval for the erection of a single storey extension to kitchen measuring 4m in depth, 2.975m in height and 2.85m to the eaves

    479 Howlands Welwyn Garden City AL7 4HP

    Received 16 Jan 2023
  13. Decided - Granted6/2026/1186/EM

    Installation of EV charging point to front of property

    56 Woodhall Lane, Welwyn Garden City, AL7 3TF

    Received 8 Jul 2026
  14. Decided - GrantedS6/2014/2180/FP

    Erection of outbuilding

    26 The Meadway, Cuffley, Potters Bar, EN6 4ES

    Received 2 Oct 2014
  15. Decided - Granted6/2017/1083/FULL

    Installation of external rear extractor flue

    6 Southfield Welwyn Garden City AL7 4ST

    Received 19 May 2017
  16. Decided - RefusedS6/2008/0532/LU

    CERTIFICATE OF LAWFULNESS FOR THE PROPOSED ERECTION OF TWO OUTBUILDINGS

    WOODHURST, CATTLEGATE ROAD, ENFIELD, HERTFORDSHIRE, EN2 8AU

    Received 7 Mar 2008
  17. Decided - GrantedN6/2005/1342/TP

    WORKS TO TREES COVERED BY TPO 211

    1 Chestnut Walk Welwyn AL6 0SB

    Received 24 Oct 2005
  18. Decided - Granted6/2017/1405/FULL

    Change of use of part of first floor of stables building to residential flat for the stables manager

    Warrenwood Manor Stables (First Floor) Hornbeam Lane Brookmans Park

    Received 28 Jun 2017
  19. Decided - GrantedW6/2014/2490/TE

    Reduce Hornbeam tree by 30%

    4 The Glade, Welwyn Garden City, AL8 7LG

    Received 7 Nov 2014
  20. Decided - GrantedS6/2007/0957/FP

    ALTERATIONS TO VEHICULAR ACCESS AND CAR-PARKING LAYOUT, ERECTION OF A TIMBER FENCE AND ASSOCIATED LANDSCAPING

    Former Public House 59 Station Road Cuffley Potters Bar EN6 4HX

    Received 22 Jun 2007
  21. Decided - GrantedN6/2007/0917/MA

    ERECTION OF DATA CENTRE WITH ANCILLARY OFFICE AND PLANT

    FORMER GLAXO SMITH KLINE SITE, MUNDELLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1LZ

    Received 14 Jun 2007
  22. Decided - Split6/2019/1482/COND

    Submission of details pursuant to condition 3 (access details outlined in Plan 1351-JSA-XX-XX-DR-A-2016 ) and 5 (traffic noise and acoustic barriers) on planning permission 6/2019/0726/VAR

    The East Great North Road Welwyn Garden City AL8 7TB

    Received 19 Jun 2019
  23. Decided - GrantedS6/2013/2303/HH

    Erection rear extension following demolition of existing rear extension

    113 The Ridgeway, Cuffley, Potters Bar, EN6 4BG

    Received 30 Oct 2013
  24. Decided - Granted6/2026/0290/TPO

    Western red cedar to remove dead top, balance lower crown by shortening branches on southern aspect by a maximum of 2.0 metres. (T4 of G2 TPO 775 2018)

    2 The Dell Digswell Welwyn AL6 0BQ

    Received 19 Feb 2026

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

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