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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/1239/EM

    Reduce 1 x Oak tree Reduce 1 x Apple tree

    9 Brockett Close Welwyn Garden City AL8 7BN

    Received 22 May 2019
  2. Decided - Granted6/2019/0369/HOUSE

    Erection of single storey rear extension

    90 Pentley Park Welwyn Garden City AL8 7SG

    Received 15 Feb 2019
  3. Decided - GrantedN6/2008/0653/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    20 STANBOROUGH GREEN, WELWYN GARDEN CITY, HERTS, AL8 6XQ

    Received 29 Mar 2008
  4. Decided - Granted6/2021/0867/EMH

    Erection of a single storey rear extension and insertion of 2 x roof lights into the proposed pitched roof

    30 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 17 Mar 2021
  5. Decided - RefusedS6/2009/0888/FP

    RETENTION OF SMOKING SHELTER AND FENCING TO REAR AND PICKET FENCING TO FRONT AND SIDE BOUNDARIES

    The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ

    Received 1 May 2009
  6. Decided - Refused6/2024/1235/HOUSE

    Erection of a single storey side extension

    8 Little Wade Welwyn Garden City AL7 4LE

    Received 1 Jul 2024
  7. Decided - Withdrawn6/2023/2003/OUTLINE

    Erection of one detached dwelling with parking and new entrance to site following the demolition of existing garage and summer house

    Holwell Manor Cottages Essendon Hill Essendon Hatfield Hertfordshire AL9 6AE

    Received 28 Sept 2023
  8. Decided - GrantedN6/2007/1634/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION

    109 Warren Way Digswell Welwyn AL6 0DL

    Received 31 Oct 2007
  9. Decided - Refused6/2021/2109/COND

    Submission of details pursuant to condition 1 (proposed elevations & design details), on planning permission 6/2021/0574/FULL

    Charter House Parkway Welwyn Garden City AL8 6JL

    Received 13 Jul 2021
  10. DecidedN6/2008/1541/TE

    REMOVAL OF 3 CONIFERS FROM FRONT GARDEN

    48 MARSDEN GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YB

    Received 19 Aug 2008
  11. Decided - Granted6/2023/1102/COND

    Submission of details pursuant to condition 2 (Archaeological evaluation) on planning permission 6/2022/1705/HOUSE

    The Old Vicarage Vineyards Road Northaw Potters Bar EN6 4NZ

    Received 24 May 2023
  12. Decided - GrantedS6/2010/0093/LB

    INTERNAL ALTERATIONS TO RE-POSITION TWO DOORWAYS AND FORMING OPENINGS IN PARTITION. REPLACEMENT AND INSTALLATION OF SANITARY FITTINGS TO FORM EN-SUITE BATHROOMS

    7 Fore Street Hatfield AL9 5AN

    Received 18 Jan 2010
  13. Decided6/2018/1235/TPO

    Fell 1 x Lawson Cypress tree, Reduce 1 x Robinia tree by 1.5m in height & width. Fell 1 x Holly tree - Conservation Area

    31 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 9 May 2018
  14. Decided - Granted6/2019/3150/ADV

    Installation of 2x externally illuminated panel signs and 2x non-illuminated panel signs onto collection pod

    Land adjacent Tesco Stores Heart Falcon Way Welwyn Garden City Shire Park AL7 1TW

    Received 13 Dec 2019
  15. Decided - Granted6/2017/1440/EM

    1 x Rowan to fell & grind stump and 1 x Ailanthus to fell

    4 Parkfields Welwyn Garden City AL8 6ED

    Received 3 Jul 2017
  16. Decided - Granted6/2021/2014/HOUSE

    Conversion of loft space to 2 x bedrooms and 1 x bathroom with 3 x dormer windows to side elevation and insertion of 1 x roof light to front elevation and 1 x roof light to rear elevation

    49 Butterwick Way Welwyn AL6 9GH

    Received 2 Jul 2021
  17. Decided - Granted6/2016/0787/EM

    Removal of Oak tree

    15 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 3 Feb 2016
  18. Decided - Granted6/2026/0047/HOUSE

    Remove existing chimney and replace with identical replica

    3 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 13 Jan 2026
  19. Decided6/2025/0330/TC

    Crown reduction of Pear tree by 30% The Pear tree trunk is 8 metres high The crown diameter is 6 metres wide Crown reduction to 5 metres for ongoing tree maintenance

    12 Elm Gardens Welwyn Garden City AL8 6RY

    Received 20 Feb 2025
  20. Decided - Granted6/2024/2221/EM

    Replacement of roof tiles with similar

    40 Parkway Welwyn Garden City AL8 6HQ

    Received 18 Nov 2024
  21. DecidedS6/2014/2232/DT

    Prior approval to remove 3 existing antennas and installation of 3 new multiband antennas, an additional radio equipment cabinet and ancillary development

    Land adjacent to, Bishops Rise, Hatfield, AL10 9QU

    Received 8 Oct 2014
  22. Decided - Granted6/2019/1648/FULL

    Refurbishment to shop front including 2x relocation of ATMs within the ATM room and Installation of condensing unit at roof top

    11 Town Centre Hatfield AL10 0NY

    Received 4 Jul 2019
  23. Decided - Granted6/2026/1202/HOUSE

    Erection of single storey rear extension

    40 Cecil Crescent Hatfield AL10 0HG

    Received 10 Jul 2026
  24. Decided - Granted6/2018/0701/EM

    Installation of a rear dormer window to facilitate loft conversion and bricking up of first floor side window.

    17 Sandpit Road Welwyn Garden City AL7 3TW

    Received 15 Mar 2018

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