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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2026/1546/TC

    T1 Hawthorn to fell.

    33 Digswell Road Welwyn Garden City AL8 7PB

    Received 4 Sept 2026
  2. Decided - GrantedW6/2008/0138/EM

    ERECTION OF REAR CONSERVATORY

    9 THE OLD DRIVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TB

    Received 24 Jan 2008
  3. Decided - Granted6/2016/2678/HOUSE

    Erection of part two storey, part single storey side and rear extensions. Demolition of existing garage

    14 Thrush Lane Cuffley Potters Bar EN6 4JU

    Received 19 Dec 2016
  4. Decided - Granted6/2017/1052/COND

    Submission of details pursuant to condition 3 (hard and soft landscaping), 4 (materials) 5 (refuse and recycling), 7 (cycle parking) and 12 (visibility splay) on planning permission S6/2014/0572/FP dated 19/05/2014

    150 Dixons Hill Road Welham Green Hatfield AL9 7DN

    Received 15 May 2017
  5. Decided - Granted6/2023/0941/HOUSE

    Retention of front porch

    65 Heathcote Avenue Hatfield Hertfordshire AL10 0RQ

    Received 3 May 2023
  6. Decided - GrantedN6/2009/0219/TC

    REDUCTION OF OAK TREES BACK TO GROWTH POINTS AND REMOVAL OF DEAD WOOD FROM EACH

    THE POLICE STATION, THE CAMPUS, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 4 Feb 2009
  7. Decided - GrantedW6/2013/2661/TE

    Lift crown of Field maple tree by 5 metres and fell 12 Conifer trees to ground level

    50 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 16 Dec 2013
  8. Decided - Granted6/2024/0851/LB

    Raising parapet walls to garage to facilitate garage conversion. Internal alterations to garage and rear extended area to include demolition of bathroom and removal of dividing walls. Replacement of garage door with leaded casement window. Door from utility at rear to be partially bricked up and replaced with extended window to match windows to rear. Removal of suspended ceiling to open up vaulted ceiling and installation of roof light in flat roof of garage. Division of dining room to create new bathroom and utility room with new door from hallway

    33 School Lane Welwyn AL6 9PQ

    Received 7 May 2024
  9. Decided - GrantedS6/2009/1235/FP

    ALTERATIONS TO ROOF INCLUDING: EXTENSION OF ROOF SPACE TO REAR TO FORM GABLE END, HIP TO HALF GABLE ALTERATION TO FRONT, DORMERS TO EACH SIDE AND REAR JULIET BALCONY TO PROVIDE FIRST FLOOR ACCOMMODATION

    5 BURLEIGH WAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4LJ

    Received 10 Jun 2009
  10. Decided - Granted6/2026/1322/EM

    Replacing an existing shed with a garden office / workshop

    27 Fordwich Road Welwyn Garden City AL8 6EX

    Received 29 Jul 2026
  11. Decided - GrantedN6/2010/0250/TE

    REMOVAL OF YEW TREE

    35 ATTIMORE ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LQ

    Received 11 Feb 2010
  12. Decided6/2024/2222/TC

    1 x Maple to fell.

    26 Digswell Road Welwyn Garden City AL8 7PA

    Received 18 Nov 2024
  13. Decided - Granted6/2019/1512/LAWP

    Certificate of lawfulness for the erection of front porch, internal alterations and expansion of hardstanding

    87 Uplands Welwyn Garden City AL8 7EH

    Received 17 Jun 2019
  14. Decided - Granted6/2026/1892/TPO

    To fell a dangerous tree diagnosed with Sycamore Anthracnose leaning towards garage (TPO3 W4)

    Bedwell End School Lane Essendon Herts AL9 6HL

    Received 20 Oct 2026
  15. Decided - GrantedS6/2014/2375/DS

    Approval of details reserved by condition 6 (hard and soft andscaping) of planning permission S6/2014/1716/FP

    Garages at Cotswolds Hatfield AL10 8JR

    Received 28 Oct 2014
  16. Decided - Refused6/2026/1445/ADV

    Installation of 2x advertisement panels on either side of Street Hub Unit

    Pavement Outside 37-40 Wigmores North Welwyn Garden City AL8 6PH

    Received 18 Aug 2026
  17. Decided - Granted6/2024/1218/ADV

    1 x illuminated fascia sign

    6 Harpsfield Broadway Hatfield AL10 9TF

    Received 28 Jun 2024
  18. Decided6/2024/1164/TC

    Fell 2 x Spruce trees in rear garden

    6 Roundwood Drive Welwyn Garden City Hertfordshire AL8 7JZ

    Received 21 Jun 2024
  19. Decided - Granted6/2024/0884/FULL

    Erection of a replacement dwelling following the demolition of the existing dwelling

    12 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 10 May 2024
  20. Decided - Granted6/2025/0955/PN6

    Prior approval for new agricultural tracks

    Mymmwood Farm Shepherds Way Brookmans Park Hatfield AL9 6NN

    Received 22 May 2025
  21. Decided - Granted6/2018/3187/FULL

    Erection of two storey side extension to existing (B1a) office building

    Emmanuel House Travellers Close Hatfield AL9 7LD

    Received 13 Dec 2018
  22. Decided - GrantedN6/2009/2135/TE

    REMOVAL OF ELWOODII TREE IN REAR GARDEN

    THE OLD MANSE, 40 BARLEYCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JU

    Received 29 Sept 2009
  23. Decided - Granted6/2021/0995/FULL

    Erection of external fire escape stair to teaching block and replacement curtain walling and insertion of new door to enable escape and stair access.

    Chancellor's School Pine Grove Brookmans Park Hatfield AL9 7BN

    Received 25 Mar 2021
  24. Decided - GrantedS6/2004/0270/FP

    ERECTION OF SINGLE STOREY EXTENSION

    49 Station Road Welham Green Hatfield AL9 7PF

    Received 23 Feb 2004

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