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
40,154Searchable applications
303Recorded as pending
86%Approval rate · 33,678 approved or refused records
4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0442/TPO

    Covered by TPO 928 (2018) T20 - Reduce T3 Hornbeam lateral branches by 2m as overhanging and to prevent build up of debris on roof, allow more light to side passage to prevent damp slipper conditions.

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 7 Mar 2024
  2. Decided - Granted6/2025/1083/FULL

    Installation of 2 no. AC condensers to the rear elevation of the building

    51 Howardsgate Welwyn Garden City AL8 6BB

    Received 9 Jun 2025
  3. Decided - GrantedN6/2014/1263/TP

    Reduce Beech by 20% covered by TPO 108 G4

    13 Mardley Wood Welwyn AL6 0UY

    Received 4 Jun 2014
  4. Decided - Withdrawn6/2023/1857/EMT

    Silver Birch T1 back of property. Crown thin to improve light and air penetration through crown concentrating on excessive regrowth from previous reduction points to give better branch structure and growth. Remove 20 percent of live branches

    6 Handside Green Welwyn Garden City AL8 6SQ

    Received 6 Sept 2023
  5. Decided - Granted6/2016/1763/TPO

    Remove low lateral branches on Oak tree, reduce Beech tree by 3m and 2m lateral growth to rebalance, deadwood 2 Pine trees, pollard Sycamore tree to 6m plus reduce lateral growth on 2 Oak trees by 4m covered by TPO 266

    4 Harmer Dell Welwyn AL6 0BE

    Received 24 Aug 2016
  6. Decided - Granted6/2021/1410/EMH

    Erection of a single storey/part two storey rear extension, alterations to fenestration and changing of existing front porch pitched roof to a flat roof to facilitate single storey front infill extension

    30 Howicks Green Welwyn Garden City AL7 4RH

    Received 4 May 2021
  7. Decided - GrantedW6/2014/0373/EM

    Replacement windows, part demolition of existing side extension and erection of single storey side and two storey rear extensions with roof alterations

    11 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 14 Feb 2014
  8. Decided - Granted6/2021/2696/HOUSE

    Replacement of existing windows and doors

    2 Guessens Road Welwyn Garden City AL8 6QR

    Received 17 Sept 2021
  9. Decided6/2025/1932/TC

    1 x Cherry to remove in sections to ground level - Crown is in decline due to its age related decline

    22 Beehive Green Welwyn Garden City AL7 4BG

    Received 9 Sept 2025
  10. Decided - RefusedN6/2008/0869/FP

    ERECTION OF REAR CONSERVATORY

    13 BROADFIELD PLACE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LJ

    Received 3 Jun 2008
  11. Decided - Granted6/2019/1835/PN11

    Prior approval for the change of use the site and buildings from offices (use class B1a) to C3 residential, accommodating 17 dwellings

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 23 Jul 2019
  12. Decided - GrantedN6/2004/1431/FP

    REPLACEMENT DETACHED GARAGE

    12 Creswick Court Welwyn Garden City AL7 3SX

    Received 27 Sept 2004
  13. Decided - Granted6/2021/0933/FULL

    Erection of a rear extension to stable block

    Warrenwood Manor Stables and Stud Hornbeam Lane Brookmans Park Hatfield AL9 6JF

    Received 23 Mar 2021
  14. Decided - RefusedS6/2007/1315/LB

    ERECTION OF 3 INTERNALLY ILLUMINATED PYLON SIGNS, 1 INTERNALLY ILLUMINATED FASCIA SIGN AND 1 ILLUMINATED FEATURE SIGN

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 4 Sept 2007
  15. Decided - GrantedN6/2004/1031/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION

    13 Lemsford Village Welwyn Garden City AL8 7TN

    Received 6 Jul 2004
  16. Decided - GrantedS6/2014/0598/HH

    Prior approval for the erection of ground floor rear extension

    160 Aldykes Hatfield AL10 8EE

    Received 29 Jan 2014
  17. Decided - Granted6/2015/1962/COND

    Approval of details removed by condition 2 (materials) , 3 (drawings of the new windows and doors), 4 (architectural detailing including the balconies, soffits, eaves, ridge detailing, external pipe work and guttering) and 5 (external lighting) on planning permission S6/2015/1185/FP

    Nyn Manor Vineyards Road, Northaw, Potters Bar, EN6 4PQ

    Received 18 Sept 2015
  18. Decided - Granted6/2020/2674/TPO

    Reduce 1 x Oak tree (T1) by 25% on limbs extending towards driveway and house, up to 40% reduction on limbs growing over the road/pavements, a crown lift of 6m to remove small epicormic growth and deadwood and height reduction of approx 4m.

    36 Tolmers Avenue Cuffley Potters Bar EN6 4QA

    Received 14 Oct 2020
  19. Decided - Granted6/2021/2186/EMT

    Reduction of beech tree from 8m to 2m hedge height

    4 Handside Green Welwyn Garden City AL8 6SQ

    Received 19 Jul 2021
  20. Decided - Granted6/2024/1535/EMT

    Removal of silver birch tree (T1) due to basal decay

    34 Sherrardspark Road Welwyn Garden City AL8 7JS

    Received 13 Aug 2024
  21. Decided - Granted6/2021/0396/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

    87 Wellfield Road Hatfield AL10 0BY

    Received 8 Feb 2021
  22. Appeal Decided - AllowedS6/2004/1041/FP

    ERECTION OF REPLACEMENT DWELLING FOLLOWING DEMOLITION OF EXISTING (AMENDED SCHEME)

    20 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 9 Jul 2004
  23. Decided - Refused6/2022/0102/LAWP

    Certificate of lawfulness for the conversion of a garage into a habitable room, a single storey extension, a two storey rear extension, a loft conversion including a rear dormer with roof lights and a detached swimming pool outbuilding.

    3 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 17 Jan 2022
  24. Decided - Granted6/2016/1287/HOUSE

    Conversion of loft and formation of hip to gable roof extension and installation of rear dormer window

    32 Holme Road Hatfield AL10 9LF

    Received 27 Jun 2016

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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    Planning application documents: what to read first

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  • 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