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
40,163Searchable applications
309Recorded as pending
86%Approval rate · 33,679 approved or refused records
4,801Refused applications

28,878 approved · 4,801 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 4 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0084/HOUSE

    Erection of a single storey rear extension

    5 Westcott Welwyn Garden City AL7 2PP

    Received 10 Jan 2018
  2. Decided - Refused6/2025/0424/HOUSE

    Erection of a single storey rear extension

    67 Theobalds Road Cuffley EN6 4HS

    Received 7 Mar 2025
  3. Decided - Granted6/2019/0177/COND

    Submission of details pursuant to condition 2 (Landscaping), 4 (Construction Management, Phase Plan and Traffic Management Plan), 5 (Bin Store,Refuse Store) on planning application 6/2017/2415/MAJ

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

    Received 29 Jan 2019
  4. Decided - Granted6/2019/1610/TPO

    Reduce T1 1x Pine tree to 15ft covered on TPO 16 (1973)

    Gobions Wood Nature Reserve, entrance by 18 Mymms Drive Brookmans Park Hatfield AL9 7AF

    Received 2 Jul 2019
  5. Decided - GrantedS6/2014/1753/TP

    Reduction of crown by 10-12 (3-3.6m) feet of Oak tree covered by TPO479

    25 Willow Way, Hatfield, AL10 9QD

    Received 5 Aug 2014
  6. Decided - RefusedS6/2008/0070/FP

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    31 CHURCH LANE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4NX

    Received 15 Jan 2008
  7. Decided - Refused6/2024/0118/LAWP

    Certificate of lawfulness for infill extension to create larger ensuite & utility, side extension to create an additional bedroom and fenestration alterations

    27 Oaklea Welwyn Hertfordshire AL6 0PT

    Received 22 Jan 2024
  8. Decided - Granted6/2018/0063/EM

    Erection of shed at bottom of garden

    3 Pentley Close Welwyn Garden City AL8 7SH

    Received 8 Jan 2018
  9. Decided - Refused6/2025/2340/FULL

    Change of Use from a dwellinghouse (Use Class C3) to a small 6 Person HMO (Use Class C4). Erection of cycle storage, bin storage and a detached outbuilding in the rear garden and associated hard and soft landscaping.

    1 Thrush Avenue Hatfield AL10 8QU

    Received 5 Nov 2025
  10. Decided - RefusedS6/2007/0305/FP

    ERECTION OF REPLACEMENT DWELLING FOLLOWING DEMOLITION OF EXISTING DWELLING

    Raybrook Farm Bluebridge Road Brookmans Park Hatfield AL9 7SX

    Received 26 Feb 2007
  11. Decided - GrantedC6/1988/7004/AD

    Illuminated projecting sign

    Howardsgate, Welwyn Garden City, AL8 6AT

    Received 1 Jan 1988
  12. Decided - Refused6/2016/1227/FULL

    Retention of raised platform that facilitates a swimming pool and erection of boundary fencing

    120 Moffats Lane, Brookmans Park, Hatfield, AL9 7RW

    Received 20 Jun 2016
  13. Decided - RefusedN6/2007/1341/FP

    PROPOSED NEW ACCESS, SECURITY GATES, GARAGE AND COVERED WAY TO THE SIDE

    1 YOUNGS RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RT

    Received 10 Sept 2007
  14. Decided - GrantedN6/2007/0963/TP

    REMOVAL OF A LARCH TREE COVERED BY TPO 276 G1

    43 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 25 Jun 2007
  15. Decided - GrantedS6/2004/1180/AD

    INSTALLATION OF INTERNALLY ILLUMINATED FASCIA SIGNAGE, DIRECTIONAL AND INFORMATION SIGNAGE

    TESCO STORES LTD, OLDINGS CORNER, GREAT NORTH ROAD, HATFIELD, HERTFORDSHIRE

    Received 2 Aug 2004
  16. Decided - Granted6/2021/0420/HOUSE

    Erection of single storey rear, front porch, conversion of existing outbuilding and installation of rear roof lights.

    30 Hawbush Rise Welwyn AL6 9PP

    Received 10 Feb 2021
  17. Decided - Refused6/2020/2984/HOUSE

    Erection of single storey side & front extension, and change of position of first floor side window

    114 College Lane Hatfield AL10 9PA

    Received 12 Nov 2020
  18. Decided - RefusedW6/2007/1343/EM

    PROPOSED NEW ACCESS, SECURITY GATES, GARAGE AND COVERED WAY TO THE SIDE

    1 Youngs Rise, Welwyn Garden City, AL8 6RT

    Received 10 Sept 2007
  19. Decided - RefusedW6/2008/1903/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY SIDE & REAR EXTENSION

    1 PARKFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EE

    Received 7 Oct 2008
  20. Decided - Granted6/2016/0635/TPO

    Reduce Beech tree and Hazel tree by 2m plus, Pollard Goat Willow tree back to primary cuts - Conservation Area

    7 High Grove, Welwyn Garden City, AL8 7DW

    Received 7 Apr 2016
  21. Decided - GrantedW6/2013/2616/EM

    Erection of two storey side and rear extensions and alterations to front and side elevations

    59 Blakemere Road, Welwyn Garden City, AL8 7PQ

    Received 17 Dec 2013
  22. Decided - Granted6/2026/1023/EM

    Installation of 6 solar panels on a flat roof side extension with associated equipment installed to side of property

    84 Attimore Road Welwyn Garden City AL8 6LP

    Received 10 Jun 2026
  23. Decided - GrantedS6/2004/1428/FP

    SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION

    31 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 27 Sept 2004
  24. Decided - Granted6/2022/1433/EM

    Replacement of all windows, rear door, guttering and fascias (like for like).

    21 Hurstlings Welwyn Garden City AL7 3LX

    Received 21 Jun 2022

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