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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0732/TPO

    Reduce Oak tree by 20% covered by TPO 99

    1 Juniper Gardens Welwyn AL6 0XH

    Received 11 Apr 2016
  2. Decided - GrantedN6/2014/1068/DS

    Approval of details reserved by condition 3 (materials) of planning permission N6/2013/0401/FP

    34 Knightsfield, Welwyn Garden City, AL8 7HA

    Received 16 May 2014
  3. Decided6/2023/2099/TC

    2 x Leyland cypress to reduce by approximately 5m in height to improve light into the garden area

    30 Guessens Road Welwyn Garden City AL8 6RA

    Received 16 Oct 2023
  4. Decided - Granted6/2021/3394/HOUSE

    Erection of a single storey side extension and infill extension to rear

    37 Crossway Welwyn Garden City AL8 7ED

    Received 2 Dec 2021
  5. Decided - Granted6/2023/1591/EMT

    1 x Pine at rear of garden to reduce eastern branches by 30% in compliance with request from Council Garages Team

    67 Handside Lane Welwyn Garden City AL8 6SH

    Received 31 Jul 2023
  6. Decided - GrantedS6/2009/2252/TP

    REMOVAL OF DEADWOOD FROM OAK (T1) AND FELL CEDAR (T2) TO GROUND LEVEL COVERED BY TPO 03 W3

    NORTH LODGE, HIGH ROAD, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HU

    Received 8 Oct 2009
  7. Decided - Granted6/2026/1035/HOUSE

    Erection of a first floor rear extension

    18 Coopers Road Little Heath Potters Bar EN6 1JQ

    Received 12 Jun 2026
  8. Decided - Granted6/2017/2099/LAWE

    Certificate of lawfulness for existing use as a taxi office

    First Floor Rear Office, Unit 4 Peartree Farm Welwyn Garden City AL7 3UW

    Received 18 Sept 2017
  9. DecidedN6/2009/0127/TC

    REMOVE DEAD WOOD FROM T1 (OAK) AND REMOVE DEAD WOOD AND CUT BACK LOWER BRANCH FROM T2 (OAK) IN REAR GARDEN

    19 CONEYDALE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7RX

    Received 22 Jan 2009
  10. Decided - Split6/2023/0365/COND

    Submission of details persuant to conditions 3.2 (implementation of approved remediation scheme), 3.4 (monitoring and maintenance scheme), 4 (tree protection), 5 (drainage), 6 (bats), 7 (energy) , 8 (above ground works) , 15 (noise), 16 (noise), 17 (waste), 18 (parking), 19 (cycle storage), 20 (amenity space), 22 (accessible housing), 23 (landscaping), 24 (visual amenity) on planning application 6/2019/2086/MAJ

    Minster House Minster Close Hatfield AL10 9JW

    Received 16 Feb 2023
  11. Decided - Granted6/2021/3371/PN14

    Prior approval for the demolition of a two storey detached dwelling

    25 Hill Rise, Cuffley, Potters Bar, EN6 4EH

    Received 30 Nov 2021
  12. Decided - GrantedS6/2015/0027/FP

    Internal installation of air conditioning system and external installation of heat exchange unit to rear wall

    7 Maynard Place, Cuffley, Potters Bar, EN6 4JA

    Received 8 Jan 2015
  13. Decided - GrantedW6/2014/2769/EM

    Erection of single storey rear extension, replacement window and door and widening of the hard standing

    145 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 19 Dec 2014
  14. DecidedN6/2013/2439/DS

    Discharge of condition 3 (Sample materials) 4 (Parking area surface details) of planning permission N6/2013/1626/FP - Erection of part single storey and part two storey rear extension

    16 Brockswood Lane, Welwyn Garden City, AL8 7BG

    Received 18 Nov 2013
  15. Decided - Granted6/2021/2806/HOUSE

    Erection of a single storey rear extension involving demolition of existing rear conservatory

    1A Darby Drive Welwyn AL6 9TE

    Received 29 Sept 2021
  16. Decided - Granted6/2019/1361/HOUSE

    Erection of orangery to replace conservatory

    1 Turpins Chase Welwyn AL6 0QZ

    Received 6 Jun 2019
  17. Decided - Granted6/2016/1906/COND

    Approval of details reserved by condition 5 (Renewable Energy), condition 7 (Secure Cycle Parking) and condition 13 (Habitat Management) on planning permission N6/2011/0359/OP. Approval of details reserved by condition 2 (Materials), condition 3 (Hard and Soft Landscaping) and condition 5 (Noise) on reserved matters permission 6/2015/2132/RM.

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 15 Sept 2016
  18. Decided - Granted6/2019/2705/VAR

    Variation of condition 12 (plans) on planning permission 6/2018/1045/FULL

    29 Turpins Ride Welwyn AL6 0QU

    Received 28 Oct 2019
  19. Decided6/2024/2144/TC

    Reduce Apple tree crown by 25% Reduce Plum tree crown by 2-3 metres

    54 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 7 Nov 2024
  20. Decided - WithdrawnS6/2007/0166/LU

    CERTIFICATE OF LAWFULNESS FOR PROPOSED SINGLE STOREY SIDE EXTENSION

    1 Theobalds Close Cuffley Potters Bar EN6 4HH

    Received 31 Jan 2007
  21. Decided - Granted6/2017/0761/EM

    Reduction of 2 Lime trees by 40% and removal of 1 x Copper Beech tree.

    34 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 13 Apr 2017
  22. Decided - GrantedN6/2015/1055/DS

    Approval of details reserved by condition 3 (materials), 7 (archaeological work) & 10 (cycle parking) of planning permission N6/2014/2384/MA

    Former Argos Distribution Depot, 1 Bessemer Road, Welwyn Garden City, AL8 7LU

    Received 19 May 2015
  23. Decided - Granted6/2018/0454/COND

    Submission of details pursuant to condition 3 (construction method statement) on planning permission 6/2017/1966/HOUSE

    3 Adele Avenue Digswell Welwyn AL6 0AU

    Received 14 Feb 2018
  24. Decided - Refused6/2024/0601/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.65m to the eaves

    46 Barnfield Road Welwyn Garden City AL7 3TQ

    Received 27 Mar 2024

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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  • 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