PlanningTrack
Get started

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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0113/HOUSE

    Erection of a first floor rear extension, insertion of rooflights into existing roofs and alterations to openings

    7 Handside Green Welwyn Garden City AL8 6SQ

    Received 23 Jan 2025
  2. Decided - Granted6/2021/3489/MAJ

    Erection of 1 x school (F1(a), a multi-use games area (MUGA), external play areas, car parking, insertion of hardstanding to front, and associated landscaping works, involving demolition of existing Woodside Centre

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 15 Dec 2021
  3. Decided - Granted6/2024/0133/EMT

    G1 - Group of ash to remove 1 x leaning stem to ground level, reduce remaining by approx 3m height & width. H1 - 2 sections of Leyland cypress hedge to reduce top by 0.5m. Rear side may need to be cut back harder to clear public footpath. Maintain hedge size and shape. T1 & T2 - 2 x Sycamore to reduce by approx 3-4 meters height & 2-3m in width. T3 - 1 x Sycamore to cut back lateral branches from property by 2m - Reduce laterals to provide a suitable clearance from property. T4 - 1 x Ash to reduce by approx 3m height & width.

    42-63 Guessens Court Welwyn Garden City, AL8 6RB

    Received 24 Jan 2024
  4. Decided - Granted6/2022/1670/HOUSE

    Erection of ground floor front extension

    13 Holme Road Hatfield Hertfordshire AL10 9LH

    Received 15 Jul 2022
  5. Decided - GrantedC6/1987/0718/FP

    Single storey side extension

    7 Moorside, Welwyn Garden City, AL7 4QH

    Received 1 Jan 1987
  6. Decided6/2024/1725/TC

    Yew to crown lift to 3m and crown reduce by 20%. Hornbeam tree to crown reduce by 20%.

    33 Church Street Welwyn AL6 9LP

    Received 9 Sept 2024
  7. Decided - Granted6/2022/1442/HOUSE

    Erection of single storey side and rear extension

    77 Stonecross Road Hatfield Hertfordshire AL10 0HP

    Received 21 Jun 2022
  8. Decided - Granted6/2016/2277/COND

    Approval of details reserved by condition 6 (Construction Method Statement), condition 8 (Sustainable Urban Drainage Scheme), condition 11 (External Lighting) and condition 14 (Refuse Bin and Recycling Materials Storage) on planning permission N6/2011/0359/OP. Approval of details reserved by condition 4 (Tree Protection Plan) on reserved matters 6/2015/2132/RM.

    Queen Elizabeth II Hospital, Howlands, Welwyn Garden City, AL7 4HQ

    Received 28 Oct 2016
  9. Decided - Granted6/2018/1650/FULL

    Erection of 1 x dwelling following demolition of existing dwelling

    21 Brookmans Avenue Brookmans Park Hatfield AL9 7QH

    Received 22 Jun 2018
  10. Decided - Granted6/2015/2539/COND

    Approval of details reserved by condition 4 (landscape scheme) on planning permission N6/2013/2128/FP

    Land at Bessemer Road, Welwyn Garden City, AL7 1HL

    Received 24 Dec 2015
  11. Decided - Granted6/2018/2521/EM

    Reduce 1 x Maple tree by 1.5m height & width and 1 x Eucalyptus tree by 2m height

    42 Turmore Dale Welwyn Garden City AL8 6HS

    Received 2 Oct 2018
  12. Decided6/2019/1198/TC

    Fell T65 1x Oak tree Remove Limbs 1x Oak tree

    Applecroft School 14 Applecroft Road Welwyn Garden City AL8 6LA

    Received 16 May 2019
  13. Decided - Withdrawn6/2025/0159/HOUSE

    Remodelling of the existing house to include alterations to the roof and roofline with rear dormer and skylights, two storey front extension, two storey rear extension and first floor side extension, reconstruction of existing garage

    3 Orchard Close Cuffley Potters Bar EN6 4QD

    Received 30 Jan 2025
  14. Decided - WithdrawnS6/2014/1751/FP

    Retention of hardstanding, access, earth works and the proposed erection of a new agricultural building

    Woodlands, Coopers Lane Road, Northaw, Potters Bar, EN6 4DJ

    Received 4 Aug 2014
  15. Decided - GrantedW6/2013/0814/TE

    Reduce two Poplar trees in height by 33%

    99 Handside Lane, WELWYN GARDEN CITY, AL8 6SP

    Received 22 Apr 2013
  16. Decided - Granted6/2026/0952/FULL

    Retrospective application for change of use from amenity land to residential land to form part hardstanding and part garden land at the front of the property and installation of a drop kerb

    18 Fallowfield Welwyn Garden City AL7 1EE

    Received 1 Jun 2026
  17. Decided - Granted6/2023/1610/TPO

    3x Sweet Chestnut trees at no 14 Mardley Avenue - crown reduction to maintain, and to rectify any tree defects: T1 - Crown reduction of 4 meters in height (back to previous) and 2m in width (equating to 20%), tree is close to the dwelling of 19 Marlborough Close and foreseeable to cause mechanical damage in future T2 - Crown reduction of 2 meters, tree is growing up tight to the fence and over the garden of 19 Marlborough Close and 2 Rosecroft Lane obstructing light penetration to the garden T3 - Crown reduction of 2 metres (equating to 20%) with dead wooding, tree is growing up tight to the fence and over the garden of 2 Rosecroft Lane obstructing light penetration to the garden

    14 Mardley Avenue Welwyn AL6 0UD

    Received 3 Aug 2023
  18. Decided - GrantedN6/2014/2333/FP

    Erection of single storey rear extension

    73 Meadway, Welwyn Garden City, AL7 4NQ

    Received 23 Oct 2014
  19. Decided - GrantedN6/2009/1197/FP

    EXTENSION TO PROVIDE PLATFORM LIFT

    METHODIST CHURCH, LUDWICK WAY, WELWYN GARDEN CITY, HERTS, AL7 3PN

    Received 5 Jun 2009
  20. Decided - Granted6/2019/1605/HOUSE

    Formation of carport

    25 Digswell Road Welwyn Garden City AL8 7PB

    Received 1 Jul 2019
  21. Decided - Granted6/2022/0177/EM

    Replacement of roof

    1 Attimore Road, Welwyn Garden City, AL8 6LH

    Received 25 Jan 2022
  22. Decided - Granted6/2017/2970/EM

    Prune T1 Pine located at the rear of the property -Fell broken branch and significant deadwood throughout the crown tidy up stub ends -Selective prune over long lateral branches to maintain shape of the tree -Reduce crown by 10-15% -Install 3 supplemental support cables in T1 Pine

    19 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 28 Dec 2017
  23. Decided - GrantedN6/2014/0448/DS

    Discharge of conditions 3 (materials), 4 (hard & soft landscaping), 5 (trees & root protection, 6 (construction method statement) and 7 (energy efficiency) of planning permission N6/2013/1262/FP

    35 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 17 Feb 2014
  24. Decided - Granted6/2025/1515/TPO

    T1 Ash (Fraxinus Excelsior) fell to ground level T2 Ash (Fraxinus Excelsior) fell to ground level

    54 Brookmans Avenue Brookmans Park AL9 7QQ

    Received 14 Jul 2025

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

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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