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
25,146Searchable applications
313Recorded as pending
86%Approval rate · 20,656 approved or refused records
2,825Refused applications

17,831 approved · 2,825 refused · 1,329 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2024/0547/EMT

    2x Hornbeam trees to reduce to leave a standing height of 5m above ground level to keep them in line with existing trees in the row and can be managed easier

    19 Scholars Mews Welwyn Garden City AL8 7JQ

    Received 20 Mar 2024
  2. Decided6/2020/2503/TC

    Reduce and tidy Purple Leaf Plum (T1) by 20%, fell Eucalyptus (T2) and lift Woodland Trees (T3) to 6m

    59 Attimore Road Welwyn Garden City AL8 6LG

    Received 29 Sept 2020
  3. Decided - Granted6/2023/0678/HOUSE

    Erection of a replacement porch following demolition of existing and fenestration alterations

    The Old Stables Wildhill Road Hatfield AL9 6DD

    Received 27 Mar 2023
  4. Decided - Withdrawn6/2016/1534/EM

    Retention of fence

    Land to the rear of 154 Thistle Grove, Welwyn Garden City, AL7 4AQ

    Received 27 Jul 2016
  5. Decided - Granted6/2026/0711/HOUSE

    Erection of single storey rear extension

    11 Graveley Dell Welwyn Garden City AL7 2LF

    Received 21 Apr 2026
  6. Decided - Withdrawn6/2018/2361/EM

    Installation of 1x front window, erection of single storey rear extension and roof alterations ,following demolition of existing conservatory and wall vent

    6 Whitethorn Welwyn Garden City AL7 3EX

    Received 14 Sept 2018
  7. Decided6/2018/0989/TPO

    Fell 1 x Conifer tree - conservation area

    3 Little Dell Welwyn Garden City AL8 7HZ

    Received 16 Apr 2018
  8. Decided - Granted6/2021/3253/HOUSE

    Erection of a two storey front extension

    Ayot Bury Lodge Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG

    Received 15 Nov 2021
  9. Decided - Granted6/2025/0410/COND

    Submission of details pursuant to condition number 18 (Scheme to mitigate noise from new plant and equipment) on planning permission 6/2022/2249/VAR

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 5 Mar 2025
  10. Decided - Granted6/2020/2598/EM

    Removal of flagstone to existing pathway and driveway renewed using neutral coloured semi-permable block paving. Formation of new vehicular hard standing in neutral coloured semi-permeable block paving, formation of new part-established yew hedge and erection of timber trellis fencing around part of new vehicular hard standing

    3 The Valley Green Welwyn Garden City AL8 7DQ

    Received 7 Oct 2020
  11. Appeal Decided - Dismissed6/2022/0123/HOUSE

    Erection of a first floor rear extension and erection of a front porch.

    108 Harmer Green Lane Digswell Welwyn AL6 0ET

    Received 18 Jan 2022
  12. Decided6/2020/2291/TC

    Reduce 1 x Norway Maple height by 3m & 2m width, lift off neighbors shed to clear 1.5m and reduce 1 x Hornbeam by 4m height and 3m width

    94 Parkway Welwyn Garden City AL8 6HL

    Received 8 Sept 2020
  13. Decided - Granted6/2019/1322/EM

    Erection of a single storey rear extension

    225 Knightsfield Welwyn Garden City AL8 7QL

    Received 30 May 2019
  14. Decided - Granted6/2023/1579/EMT

    Silver birch tree to reduce by 30%.

    69 Attimore Road Welwyn Garden City AL8 6LG

    Received 31 Jul 2023
  15. Decided - Granted6/2016/1056/EM

    Replacement of front door and windows at front and rear of property

    351 Knightsfield, Welwyn Garden City, AL8 7NB

    Received 31 May 2016
  16. Decided - Granted6/2023/1333/HOUSE

    Erection of single storey side and rear extension, raising existing boundary wall with metal railings and installation of metal railing sliding gate

    29 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 28 Jun 2023
  17. Decided - Granted6/2025/2007/EMT

    Privet (83966) - remove to ground level Elder (83970) - remove to ground level Hawthorn (83974) - crown lift to 2.5m and 20% crown reduction

    4 Heather Road, Welwyn Garden City, AL8 6XU

    Received 17 Sept 2025
  18. Decided - Granted6/2023/2137/EM

    Installation of hard standing

    110 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 20 Oct 2023
  19. Decided6/2024/1870/HOUSE

    Retrospective application for two additional dormers (additions to previously approved 2no side dormers - ref: 6/2022/2803/LAWP) on each side facing roofslope

    9 South Drive Cuffley Potters Bar EN6 4HP

    Received 30 Sept 2024
  20. Decided - Granted6/2024/2299/EM

    Erection of a front porch extension, double storey rear extension, single storey side extension, detached single storey therapy room, regraded front driveway and rear garden and raised patio. All works are to facilitate wheelchair access.

    3 Reddings Welwyn Garden City AL8 7LA

    Received 29 Nov 2024
  21. Decided - Granted6/2023/2015/HOUSE

    Erection of single storey rear extension, garage conversion, extended driveway, fenestration alterations

    25 Turmore Dale Welwyn Garden City AL8 6HT

    Received 2 Oct 2023
  22. Decided - Granted6/2025/0052/HOUSE

    Erection of a single-storey rear extension, alterations to the fenestration, conversion of existing garage, including the insertion of window and infilling with brick and construction of new outbuilding

    8 Ploughmans End Welwyn Garden City AL7 2JG

    Received 14 Jan 2025
  23. Decided6/2024/0174/TC

    1 x Lime Tree -repollard by 2m back to existing pruning points

    32 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 29 Jan 2024
  24. Decided - Granted6/2016/2711/EM

    Fell Ash tree to ground level

    11 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 22 Dec 2016

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