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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2014/2258/FP

    Erection of a detached garage

    104 Old Rectory Drive, Hatfield, AL10 8FE

    Received 13 Oct 2014
  2. Decided - GrantedN6/2013/1309/DS

    Discharge of condition 1 (screening) of planning permission N6/2013/0069/FP

    14 Wyton, WELWYN GARDEN CITY, AL7 2PF

    Received 12 Jun 2013
  3. Decided - Granted6/2021/1238/COND

    Submission of details pursuant to condition number 1 (Construction Management Plan) and 2 (Site Levels), on planning permission 6/2019/1569/FULL

    63-65 New Road Digswell Welwyn AL6 0AL

    Received 16 Apr 2021
  4. Appeal Decided - AllowedN6/2008/0616/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    Garden Cottage Danesbury Park Road Welwyn AL6 9SE

    Received 25 Mar 2008
  5. Decided - GrantedW6/2004/1247/EM

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION AND TWO REAR ROOFLIGHTS

    5 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 16 Aug 2004
  6. Decided - Withdrawn6/2024/2361/COND

    Submission of details pursuant to condition number 4 (Details of replacement doors and windows) on planning permission 6/2021/1668/LB

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 10 Dec 2024
  7. Decided - Granted6/2025/0620/EM

    Driveway expansion to permeable solution

    11 The Quadrangle, Welwyn Garden City, AL8 6SG

    Received 31 Mar 2025
  8. Decided - GrantedW6/2008/1916/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND RELOCATION OF GARDEN SHED

    22 DELLCOTT CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BD

    Received 7 Oct 2008
  9. Decided - RefusedW6/2006/0299/EM

    ERECTION OF TWO STOREY REAR AND SIDE EXTENSIONS AND SINGLE STOREY REAR EXTENSION

    5 Wheatley Road, Welwyn Garden City, AL7 3LL

    Received 10 Mar 2006
  10. Decided6/2024/1577/TC

    3 x Holly trees on the right-hand side of the garden to reduce back to previous cuts 1 x Holly on left hand side of garden to reduce to match other 3 holly 1 x Magnolia to remove one stem and shape canopy to balance crown

    22 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 19 Aug 2024
  11. Decided - WithdrawnN6/2006/0037/FP

    INSTALLATION OF LANDING WINDOW AND ROOFLIGHT TO LOFT

    58 The Commons Welwyn Garden City AL7 4RS

    Received 11 Jan 2006
  12. Decided - GrantedN6/2004/1718/FP

    ERECTION OF REAR CONSERVATORY

    73 Ludwick Way Welwyn Garden City AL7 3PL

    Received 22 Nov 2004
  13. Decided - Granted6/2020/1294/EMT

    Fell 1 x partially dead tree and replace.

    184 Blythway Welwyn Garden City AL7 1DU

    Received 9 Jun 2020
  14. Decided - Granted6/2023/1359/EMT

    1 x Lime to reduce by approximately 50% to previous pruning points

    14 The Old Drive Welwyn Garden City AL8 6TB

    Received 30 Jun 2023
  15. Decided - Refused6/2026/1086/PN24

    Prior approval for installation of a roof-mounted solar PV system, comprising of 212 Solarwatt panels to a total system size of 95.4 kWp

    The Hub Tamblin Way Hatfield AL10 9EZ

    Received 23 Jun 2026
  16. Decided - Granted6/2024/0923/EMT

    T1 Eucalyptus pollard creation at 6m to both stems.

    230 Heronswood Road Welwyn Garden City AL7 3JQ

    Received 17 May 2024
  17. Decided - Granted6/2021/0895/HOUSE

    Single storey rear & side extension. Relocation of new front door to match adjoining property

    22 Moorlands Welwyn Garden City AL7 4PP

    Received 19 Mar 2021
  18. Decided - GrantedS6/2013/1944/DS

    Discharge of condition 3 (lighting specification and maintenance) and 4 (fencing details) of planning permission S6/2012/1718/FP - Change of use of part of car parking area to form games area, erection of a galvanized mesh fence up to 4m in height, formation of synthetic pitch and installation of 4No. Galvanized floodlight masts 8m in height each carrying 1No. 100w floodlight.

    Roe Hill Hall, Briars Lane, Hatfield, AL10 8EY

    Received 16 Sept 2013
  19. Decided - Granted6/2021/1469/EM

    Erection of a single storey side and rear extension

    12 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 10 May 2021
  20. Decided - Granted6/2020/2732/EM

    Erection of conservatory

    40 Mill Green Road Welwyn Garden City AL7 3XF

    Received 20 Oct 2020
  21. Decided - Granted6/2018/2107/PN8

    Prior approval for the erection of a single storey rear extension measuring 2.5m in depth, 3.0m in height, 2.4m to the eaves

    32 Elm Drive Hatfield AL10 8NU

    Received 8 Aug 2018
  22. Decided - Granted6/2018/2710/COND

    Submission of details pursuant to condition 4 (construction method statement) on planning permission 6/2016/1882/FULL

    Former Roche Products Site 40 Broadwater Road AL7 3AY

    Received 23 Oct 2018
  23. Decided - Granted6/2021/2163/HOUSE

    Erection of single storey side to rear extension with extended patio and steps to garden

    21 Burleigh Way Cuffley Potters Bar EN6 4LJ

    Received 16 Jul 2021
  24. Decided - Granted6/2023/0610/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3m in height and 2.3m to the eaves

    20 East Mead Welwyn Garden City AL7 4RR

    Received 20 Mar 2023

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