PlanningTrack
Get started

England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
31,132Searchable applications
303Recorded as pending
87%Approval rate · 25,953 approved or refused records
3,415Refused applications

22,538 approved · 3,415 refused · 1,648 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedS6/2015/1454/HOUSE

    Erection of a single storey ground and side extension and a two storey rear extension

    11 Cherry Way Hatfield AL10 8LF

    Received 6 Jul 2015
  2. Decided - Withdrawn6/2020/2573/HOUSE

    Formation of permeable block paved driveway

    5 Sheepcote Welwyn Garden City AL7 4QA

    Received 5 Oct 2020
  3. Decided - GrantedW6/2015/0878/EM

    Erection of single storey rear extension

    129 The Vineyard, Welwyn Garden City, AL8 7PX

    Received 27 Apr 2015
  4. Under Consideration6/2026/1640/TC

    T1 - Ash tree - 2-3 crown reduction, remove deadwood T2 - Oak tree - 2-3m crown reduction T3 - Oak tree - crown reduction back too previous growth points T4 - Oak tree - 2-3m crown reduction T5 - Hornbeam - 5m crown lift T6 T7 T8 - Hornbeams - 2-3m crown reductions

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 21 Sept 2026
  5. Appeal Decided - AllowedN6/2013/1503/FP

    Replace existing wall and gates to front elevation

    Old Hall Farm Cottage, Hill Farm Lane, Ayot St Lawrence, Welwyn, AL6 9BW

    Received 15 Jul 2013
  6. Decided - Granted6/2022/1162/TPO

    Lime tree (T1) - reduce by approx 5m to below longitudinal splits in main stem

    7 Welwyn Hall Gardens Welwyn Hertfordshire AL6 9LF

    Received 20 May 2022
  7. Decided - Refused6/2023/0629/HOUSE

    Erection of a single storey front extension, following demolition of existing porch and insertion of two side windows, all including one-way privacy glass.

    145 Blythway Welwyn Garden City AL7 1DS

    Received 21 Mar 2023
  8. Decided - Refused6/2025/1858/HOUSE

    Erection of a first-floor side extension, part single/part two-storey rear extension, and a single-storey front extension and alterations to fenestration.

    13 Lodge Drive Hatfield AL9 5HL

    Received 1 Sept 2025
  9. Decided - Split6/2025/1300/COND

    Submission of details pursuant to condition 12 (Lighting) on planning permission 6/2021/0516/VAR

    Land at Panshanger Welwyn Garden City AL7 2QJ

    Received 20 Jun 2025
  10. Decided - Granted6/2018/1194/HOUSE

    Installation of side window

    7 Butterwick Way Welwyn AL6 9GH

    Received 8 May 2018
  11. Decided - Granted6/2018/2470/HOUSE

    Erection of a single storey rear extension

    14 Dudley Hill Close Welwyn AL6 0QQ

    Received 26 Sept 2018
  12. Decided - Granted6/2025/2114/HOUSE

    Conversion of the garage to habitable use with a parapet wall above on the front elevation and the erection of a flat roof canopy over the front entrance to the dwelling following the demolition of the pitch roof over the existing garage and attached sloped roof canopy over the front entrance. Installation of external render and UPVC grey windows to all elevations of the dwelling and alterations to fenestration.

    19 Homewood Avenue Cuffley Potters Bar EN6 4QG

    Received 3 Oct 2025
  13. Decided - Granted6/2021/2295/HOUSE

    Erection of a single storey side extension to provide a replacement garage and garden store following demolition of existing garage

    29 Burleigh Way Cuffley Potters Bar EN6 4LG

    Received 2 Aug 2021
  14. Decided - Granted6/2023/0280/EMT

    T1 Goat willow, remove 3 low stems, leaving main trunk only. Reduce remaining by 2.5m in height and 1.5m in width. T2 Cherry plum to reduce by 1.5m in height and 1m in width. T3 self set Ash (multistem) to fell to near ground level. T4 Holly to lift to 3.5m above ground, reduce width over lawn by 1.2m

    3 Parkfields Welwyn Garden City AL8 6EE

    Received 6 Feb 2023
  15. Decided - Granted6/2021/1253/HOUSE

    Erection of single storey rear extension

    10 The Swallows Welwyn Garden City AL7 1BY

    Received 19 Apr 2021
  16. Decided - Granted6/2016/1091/DC3

    Erection of 4 blocks of 4 flats raised on stilts (as existing) following demolition of the existing 16 bedsits

    Northdown Road, Hatfield, AL10 9QX

    Received 2 Jun 2016
  17. Decided - GrantedS6/2015/0784/FP

    Change of use from agricultural to residential (C3) and erection of single story side, rear extension and front porch following demolition of surrounding outbuildings

    Howe Wood Farm White Stubbs Lane Bayford Hertford SG13 8QA

    Received 10 Apr 2015
  18. Decided - Granted6/2016/2252/TPO

    Reduce Hornbeam tree by 30% - Conservation Area

    4 The Glade Welwyn Garden City AL8 7LG

    Received 25 Oct 2016
  19. Decided - Granted6/2022/2480/COND

    Submission of details pursuant to condition 1 (Noise Impact Statement) and condition 2 (Odour Management Plan, Ventilation and Impact Statement) on planning permission 6/2022/1758/FULL

    28 High View Hatfield Hertfordshire AL10 8HZ

    Received 28 Oct 2022
  20. Decided - GrantedN6/2013/2026/TE

    Reduce Silver Birch tree by 20%

    49 Marsden Road, WELWYN GARDEN CITY, AL8 6YQ

    Received 12 Sept 2013
  21. Decided - Granted6/2016/1295/HOUSE

    Erection of single storey side and rear extension following demolition of existing extension

    23 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 28 Jun 2016
  22. Decided - Refused6/2021/3197/LAWP

    Certificate of lawfulness for the erection two outbuildings.

    2 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 8 Nov 2021
  23. Decided - Granted6/2017/1427/HOUSE

    Alterations to existing roof incorporating rear dormer and increase in roof height and erection of rear conservatory

    15 Woodland Way Welwyn AL6 0RZ

    Received 30 Jun 2017
  24. Decided - GrantedS6/2014/0058/FP

    Erection of single storey rear extension

    6 Burleigh Way, Cuffley, Potters Bar, EN6 4LJ

    Received 20 Jan 2014

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities