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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2009/2531/TP

    REMOVAL OF TWO HORNBEAMS COVERED BY TPO 27 A1 (POSSIBLE DDD)

    2 Rollswood Road Welwyn AL6 9TX

    Received 2 Dec 2009
  2. Decided - RefusedW6/2014/0325/EM

    Conversion of roof void to form en-suite bathroom with rear facing dormer

    16 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 10 Feb 2014
  3. Decided - Granted6/2020/1034/LB

    Restoration and repairs to windows on ground and first floors

    Essendon House Church Street Essendon Hatfield AL9 6AR

    Received 11 May 2020
  4. Appeal Decided - Dismissed6/2024/1473/HOUSE

    Installation of a dropped kerb

    5 Martin Close Hatfield AL10 8QS

    Received 5 Aug 2024
  5. Decided - Granted6/2026/0964/LB

    Installation of fibre broadband infrastructure to the dwelling requiring a small diameter penetration through an external wall of the listed building to facilitate fibre cabling and an internal connection point

    1 The Forge Coopers Lane Northaw Potters Bar EN6 4NF

    Received 2 Jun 2026
  6. Decided - Granted6/2017/1363/EM

    Erection of a single storey rear extension with the installation of 3 rooflights

    10 Little Youngs Welwyn Garden City AL8 6SL

    Received 19 Jun 2017
  7. Decided - Granted6/2016/0500/HOUSE

    Erection of first floor rear extension

    10 Great North Road Brookmans Park Hatfield AL9 6NF

    Received 29 Mar 2016
  8. Decided - RefusedS6/2004/0392/FP

    ERECTION OF TWO STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING GARAGE

    Ashurst West End Lane Essendon Hatfield AL9 6AX

    Received 12 Mar 2004
  9. Decided - Granted6/2020/2460/COND

    Submission of details pursuant to conditions 30 (Detailed Road Design) and 31 (Swept Path and Servicing Assessment) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 25 Sept 2020
  10. Decided - GrantedN6/2008/1129/FP

    ERECTION OF REAR CONSERVATORY

    160 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4RG

    Received 8 Jul 2008
  11. Decided - Granted6/2018/2701/HOUSE

    Erection of single storey side extension to replace conservatory

    Holly Frindle Cottage Coopers Lane Northaw Potters Bar EN6 4NE

    Received 19 Oct 2018
  12. Decided - GrantedN6/2007/0478/FP

    ERECTION OF A SINGLE STOREY SIDE EXTENSION AND REPLACEMENT GARDEN SHED

    17 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 21 Mar 2007
  13. Decided - GrantedW6/2014/1689/EM

    Erection of replacement shed

    40 Longcroft Lane, Welwyn Garden City, AL8 6EF

    Received 25 Jul 2014
  14. Decided - Split6/2024/2159/COND

    Submission of details pursuant to conditions 1 (Construction Management Plan) 2 (Noise due to transport sources) 3 (noise from nearby commercial activities) 4 (parking of cycles) 5 (refuse bin and recycling materials storage bins) 6 (heat pump hot water cylinders) on planning permission 6/2022/1444/FULL

    12 Harpsfield Broadway Hatfield AL10 9TF

    Received 8 Nov 2024
  15. Decided - GrantedN6/2009/1242/TE

    CROWN LIFT TO 2.5 METERS, REMOVE DEADWOOD, AND LIGHT TRIM AND SHAPE CROWN OF TWO CHERRY TREES

    419 HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4HW

    Received 23 Jun 2009
  16. Decided - Split6/2024/1280/COND

    Submission of details pursuant of conditions 1 (Lighting Scheme) and 2 (Ecological Enhancement), on planning permission 6/2024/0115/FULL

    Lodge Farm Newgate Street SG13 8NQ

    Received 8 Jul 2024
  17. Decided - GrantedW6/2012/2605/EM

    Installation of 2 metre high timber fence

    7A Hall Grove, WELWYN GARDEN CITY, AL7 4PJ

    Received 11 Dec 2012
  18. Decided - Granted6/2019/1585/LAWP

    Certificate of lawfulness for class use D2 (Assembly and Leisure)

    Gosling Stadium Stanborough Road

    Received 28 Jun 2019
  19. Decided - GrantedW6/2008/2300/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND THE INSERTION OF THREE WINDOWS

    124 LONGCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EN

    Received 25 Nov 2008
  20. Decided - Granted6/2023/1125/ADV

    Installation and display of 2no. non-illuminated signs and 1no. externally illuminated sign

    The Red Lion 88 Great North Road AL9 5EU

    Received 26 May 2023
  21. Decided - RefusedW6/2010/0049/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    38 BEEHIVE LANE, WELWYN GARDEN CITY, HERTS, AL7 4BP

    Received 12 Jan 2010
  22. Decided - Granted6/2016/1568/TPO

    Crown lift 3 Ash trees by 6 metres - Conservation Area

    39 Barleycroft Road, Welwyn Garden City, AL8 6JX

    Received 1 Aug 2016
  23. Decided - Granted6/2022/2194/EM

    Installation of solar panels on roof at the back of the house

    316 Knightsfield Welwyn Garden City AL8 7NQ

    Received 22 Sept 2022
  24. Decided - WithdrawnS6/2004/1371/CD

    OUTLINE APPLICATION FOR CHILDREN'S HOME AND RELATED WORKS

    LAND AT, HAZELGROVE SCHOOL, HATFIELD, HERTFORDSHIRE

    Received 10 Sept 2004

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