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
40,258Searchable applications
321Recorded as pending
86%Approval rate · 33,753 approved or refused records
4,813Refused applications

28,940 approved · 4,813 refused · 2,214 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/0673/FULL

    Demolition of existing bungalow and erection of 3 x dwellings with associated works to include parking and landscaping

    6 Elmoor Avenue Welwyn AL6 9PA

    Received 10 Mar 2020
  2. Decided - GrantedS6/2007/1657/AD

    INSTALLATION OF TWO INTERNALLY ILLUMINATED SIGNS

    ALDI (FOOD STORES) LTD, UNIT 3 COMET SQUARE, HATFIELD, HERTFODSHIRE

    Received 5 Nov 2007
  3. Decided - Granted6/2017/2412/HOUSE

    Alterations to the roof to include an increase in ridge height, formation of hip to gable and increase in height of front gable to facilitate accommodation in existing loft space and the addition of two front and two rear dormers and a roof light

    62 Hill Rise Cuffley Potters Bar EN6 4RG

    Received 19 Oct 2017
  4. Decided - Granted6/2017/2796/VAR

    Variation of condition 2 (approved plans and details) on listed building consent N6/2013/2629/LB

    Badger Cottage 6 Whitehill Ayot St Peter Welwyn AL6 9AF

    Received 23 Nov 2017
  5. Decided - GrantedS6/2015/0113/DS

    Approval of details reserved by condition 4 (hard and soft landscaping) and condition 15 (surfacewater drainage scheme) of planning application S6/2015/0016/S73A

    Bishops Hatfield Girls School, Woods Avenue, Hatfield, AL10 8NL

    Received 22 Jan 2015
  6. Decided - Granted6/2024/2421/HOUSE

    Facade and roof alterations to the existing garage conversion/rear extension

    13 North Ride Welwyn AL6 9RD

    Received 23 Dec 2024
  7. Decided - GrantedN6/2007/1504/FP

    CONVERSION OF EXISTING DWELLING INTO TWO FLATS

    5 WOODHALL LANE, WELWYN GARDEN CITY, HERTS, AL7 3TB

    Received 11 Oct 2007
  8. Decided - Granted6/2015/2354/FULL

    Erection of single storey front enclosed porch

    6 Great North Road Welwyn AL6 0PL

    Received 20 Nov 2015
  9. Decided - Granted6/2024/0373/PN8

    Prior approval for single storey rear extension measuring 8m in depth, 4m in height and 3m to the eaves

    20 Bell Lane Brookmans Park AL9 7AY

    Received 27 Feb 2024
  10. Decided - Granted6/2019/2603/HOUSE

    Erection of part single, part two storey rear extension

    9 The Commons Welwyn Garden City AL7 4RW

    Received 14 Oct 2019
  11. Decided - Granted6/2025/0154/LAWP

    Certificate of lawfulness for single storey outbuilding in rear garden

    57 Great North Road Brookmans Park AL9 6LA

    Received 29 Jan 2025
  12. Decided - RefusedN6/2008/0403/FP

    ERECTION OF FIRST FLOOR REAR AND SINGLE STOREY SIDE EXTENSIONS

    16 ROUNDWOOD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JZ

    Received 12 Mar 2008
  13. Decided - GrantedS6/2004/0178/CD

    ERECTION OF NEW TWO FORM ENTRY PRIMARY SCHOOL WITH 20M HIGH WIND TURBINE, EARLY YEARS FACILITY AND COMMUNITY HALL

    Land at The Runway Hatfield AL10 9AH

    Received 5 Feb 2004
  14. Decided6/2017/2802/TPO

    Reduce Leyland Cypress hedge by 5-6m. in height - Conservation area

    18 Applecroft Road Welwyn Garden City AL8 6LA

    Received 30 Nov 2017
  15. Decided - Granted6/2021/0883/COND

    Submission of details pursuant to condition 2 (location of disabled car user parking bay) & 3 (location of electric vehicle charging point), on planning permission 6/2018/1616/FULL

    29 Brownfields Welwyn Garden City AL7 1AN

    Received 18 Mar 2021
  16. Decided - Withdrawn6/2021/2842/TPO

    T1-Oak. Fell due to presence of Pseudoinonotus dryadeus at the root collar. Timber integrity tested with a IML Resi PD400, and decay extent tested with a Fakopp Arborsonic 3D Acoustic tomograph, which showed the decay extent at ground level to be 58%. Given the height and location of the tree the tree should be removed on Health and Safety grounds. An extensive crown reduction/pollard is not recommended in this case, as the tree will ultimately fail and removal at the soonest time is advised. A 5 Day Notice has also been submitted to the council for the removal of the tree.

    52 Bridge Road Welwyn Garden City AL8 6UR

    Received 4 Oct 2021
  17. Decided - Granted6/2026/0798/COND

    Submission of details pursuant to Condition 3 (Construction Method Statement), condition 4 (Surface Water Drainage) on planning permission 6/2025/1974/MAJ

    University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 6 May 2026
  18. Decided6/2021/0713/TC

    Reduce 1 x Apple tree (T1) by 2-3m covered by conservation area

    17 Fordwich Road Welwyn Garden City AL8 6EX

    Received 3 Mar 2021
  19. DecidedN6/2009/0115/TC

    CROWN LIFT OAK TO 3 METRES

    LAND ADJACANT TO, 29 BEEHIVE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BJ

    Received 21 Jan 2009
  20. Decided - Granted6/2019/0818/EM

    Erection of a replacement conservatory

    115 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 4 Apr 2019
  21. Decided - Granted6/2023/0360/VAR

    Variation of conditions 3 (landscape plans) and 5 (approved plans) on planning permission 6/2020/2751/FULL

    44 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 16 Feb 2023
  22. Decided - GrantedS6/2009/1067/FP

    INSTALLATION OF REPLACEMENT ENTRANCE GATES, PIERS, BOUNDARY WALLS, RAILINGS WITH LIGHTING AND INCREASED HARDSURFACING

    MONKSWELL, THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTS, EN6 4BH

    Received 21 May 2009
  23. Decided - Granted6/2019/0304/COND

    Submission of details pursuant to condition 3 (details approved under 6/2016/0050/COND) on planning permission 6/2016/1383/VAR

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 11 Feb 2019
  24. Decided - GrantedN6/2005/1328/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    45 Pentley Park Welwyn Garden City AL8 7SF

    Received 20 Oct 2005

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

View all applications

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.

  • 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