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
17,914Searchable applications
298Recorded as pending
86%Approval rate · 14,439 approved or refused records
1,999Refused applications

12,440 approved · 1,999 refused · 904 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2023/1828/TPO

    T1- Crown reduction by approximately 1.5-2m from branch tips of small Hornbeam tree in front garden. T2- Crown lift Thuja to achieve 4m vertical clearance from ground level. T3- Crown lift Spruce in front garden by 1m

    17 Heath Road Welwyn AL6 0TP

    Received 1 Sept 2023
  2. Decided - Refused6/2021/1945/HOUSE

    Alterations to ground floor layout and erection of first floor extension

    9 Codicote Road Welwyn AL6 9ND

    Received 28 Jun 2021
  3. Decided - Granted6/2019/2172/EM

    Replacement and enlargement of driveway

    20 Walden Road Welwyn Garden City AL8 7PF

    Received 2 Sept 2019
  4. Decided6/2020/2855/TC

    Semi-pollarding of large willow tree in rear garden. Similar work is carried out every two years.

    18 Sheepcote Welwyn Garden City AL7 4QD

    Received 30 Oct 2020
  5. Decided6/2024/1864/TC

    1. Hawthorn - Cut back over the river hard to viable growth points 2. Purple Plum - Cut back over the river hard to viable growth points 3. Contorted Willow - Reduce to previous points. This will amount to up to 1.5m of growth 4. Apple - Reduce to previous points. This will amount to up to 1m of growth 5. Spruce - Fell to ground level. 6. Alder - Crown lift to 2 metres on garden side (secondary growth only) 7 - Mulberry - Reduce in height by approximately 2m to viable growth points. Cut back hard over the driveway and shape in with the remaining crown 8 - Ash - Cut back over the river hard to viable growth points

    44 Mill Lane Welwyn AL6 9ET

    Received 27 Sept 2024
  6. Decided - Granted6/2024/1477/TPO

    T1 Oak to fell - TPO 671 (2017) T1

    Rivendell 13C Oaklands Rise Welwyn AL6 0RN

    Received 5 Aug 2024
  7. Decided - Granted6/2022/2366/COND

    Submission of details pursuant of condition 5 (materials) on planning permission 6/2020/2526/MAJ

    University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 12 Oct 2022
  8. Decided - Withdrawn6/2022/0168/HOUSE

    Amendment of mono pitch roof to a flat roof on existing single storey rear extension increasing flat roof height from 3m to 3.8m.

    5 Coulter Close Cuffley Potters Bar EN6 4RR

    Received 24 Jan 2022
  9. Decided - Granted6/2024/1810/EMT

    1 x Lawson cypress to remove in sections to ground level. Tree is extremely close to property and already it has been cut back. roots appear to be lifting the block paving

    13 Fearnley Road Welwyn Garden City AL8 6HW

    Received 19 Sept 2024
  10. Decided - Granted6/2021/2111/COND

    Submission of details purusant to condition 1 (construction method statement) and 3 (noise assesment), on planning permission 6/2020/2341/FULL

    16 Station Road Cuffley Potters Bar EN6 4HT

    Received 13 Jul 2021
  11. Decided - Granted6/2024/1364/EMT

    Removal of Oak tree (T1) to ground level.

    224 Handside Lane Welwyn Garden City AL8 6TD

    Received 17 Jul 2024
  12. Decided - Granted6/2021/1576/COND

    Submission of details pursuant to condition 5 (Mechanical Particulars, Acoustic Assessment), on planning permission 6/2020/1067/MAJ

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

    Received 18 May 2021
  13. Decided - Granted6/2023/2287/HOUSE

    Erection of single storey infill rear additions, reduction of rear utility area, fenestration alterations and new front boundary wall incorporating electric metal gates

    38 Osborne Road Little Heath Potters Bar EN6 1SF

    Received 13 Nov 2023
  14. Decided - Granted6/2020/2896/TPO

    T1 - Ash X2 - crown thin by 25% to allow more light to neighbours T2 - Hornbeam - reduce in height by 50% to allow more light into neighbours

    Wood Farm Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 5 Nov 2020
  15. Decided - Granted6/2020/2112/EM

    Erection of a powder coated aluminium glasshouse sited on a dwarf brick wall in keeping with the brick work within the property.

    28 Turmore Dale Welwyn Garden City AL8 6HS

    Received 21 Aug 2020
  16. Decided - Granted6/2021/2895/VAR

    Variation of condition 2 (substitution of approved plans) on planning permission 6/2020/3378/HOUSE

    19 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 8 Oct 2021
  17. Decided - Granted6/2025/0032/OUTLINE

    Erection of new dwelling with a replacement garage for the existing property (Outline application with all matters reserved except for access, landscaping, and layout)

    3 Hangmans Lane Welwyn AL6 0TJ

    Received 9 Jan 2025
  18. Decided - Granted6/2024/1046/HOUSE

    Erection of single storey side extension to create a granny annexe

    2 Holliers Way Hatfield AL10 8HL

    Received 5 Jun 2024
  19. Decided6/2018/2908/COND

    Submission of details pursuant to condition 15 (residents travel information pack) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 13 Nov 2018
  20. Decided - Granted6/2024/1541/HOUSE

    Erection of single storey rear extension

    29 Widford Road Welwyn Garden City AL7 2LR

    Received 13 Aug 2024
  21. Decided - Granted6/2022/1539/TPO

    Reduce crowns of 1 x Oak and 1 x Beech trees by 25-30% to alleviate weight on leaning stems. Covered by TPO 24 A3

    1A The Drive Welwyn Hertfordshire AL6 0TW

    Received 1 Jul 2022
  22. Decided - Granted6/2021/1206/LAWP

    Certificate of lawfulness for a single storey rear extension, installation of flue and alterations to chimney

    East Ridge House 9A East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 14 Apr 2021
  23. Decided - Granted6/2021/2129/EMT

    1 x Apple to reduce to approximately 2.5m above ground level. Remove 2 large limbs back to main trunk.

    2 Marsden Road Welwyn Garden City AL8 6YF

    Received 14 Jul 2021
  24. Decided - Granted6/2022/1320/FULL

    Change of use from outbuilding to child minding setting, and for the enjoyment of the residents for storage, exercise and leisure activities

    1 Holloways Lane Welham Green Hatfield AL9 7NR

    Received 8 Jun 2022

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.

  • 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