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
40,288Searchable applications
321Recorded as pending
86%Approval rate · 33,780 approved or refused records
4,816Refused applications

28,964 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

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 - GrantedN6/2004/0576/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS

    38 High Oaks Road Welwyn Garden City AL8 7BS

    Received 19 Apr 2004
  2. Decided - Granted6/2024/0405/LAWP

    Certificate of lawfulness for single storey rear extension

    17 Boundary Lane Welwyn Garden City AL7 4EF

    Received 1 Mar 2024
  3. Decided - GrantedN6/2009/0838/FP

    ERECTION OF DETACHED OUTBUILDING IN REAR GARDEN

    11 THE ORCHARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PL

    Received 17 Apr 2009
  4. DecidedS6/2015/0623/HH

    Prior approval for proposed single storey rear extension

    23 Manor Road, Hatfield, AL10 9LJ

    Received 23 Mar 2015
  5. Decided - GrantedS6/2008/2412/FP

    ERECTION OF TWO STOREY REAR EXTENSION, NEW FIRST FLOOR REAR BAY WINDOW AND NEW GARAGE AT SIDE AND FRONT OF EXISTING HOUSE.

    65 PINE GROVE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BL

    Received 22 Dec 2008
  6. Decided - Granted6/2020/0265/EM

    Formation of hardstanding

    43 Bushey Ley Welwyn Garden City AL7 3HB

    Received 28 Jan 2020
  7. Decided - Granted6/2016/2507/LAWE

    Certificate of lawfulness for a loft conversion

    98 Hollybush Lane Welwyn Garden City AL7 4JW

    Received 24 Nov 2016
  8. Decided - Granted6/2019/1426/COND

    Submission of details pursuant to condition 2 (sample of brickwork) 5 (schedule of works - internal) and 8 (schedule of works - windows) on listed building consent 6/2018/3141/LB

    Guessens 6 Codicote Road Welwyn AL6 9NB

    Received 11 Jun 2019
  9. Decided - GrantedS6/2005/1290/FP

    CHANGE OF USE OF PARKING SPACES TO CAR VALETING OPERATION INCLUDING SITING OF TEMPORARY OFFICE AND CANOPY

    Oldings Corner Great North Road Hatfield AL10 6JY

    Received 12 Oct 2005
  10. Decided - Granted6/2019/3169/TPO

    Remove Ivy from 1x Holly tree (T2) 1x Scots pine crown reduce by 20% remove ivy (T3) 1x Copper beech reduce crown back from property to achieve a clearance of 1.5m (T4) Remove ivy and deadwood from 1x Red cedar (T6)

    8 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 17 Dec 2019
  11. Decided - Granted6/2019/1413/FULL

    Change of use of site from B1 office use to C3 dwelling including external alterations

    4 London Road Welwyn AL6 9EL

    Received 12 Jun 2019
  12. Appeal Decided - WithdrawnN6/2006/0440/OP

    OUTLINE APPLICATION FOR MIXED USE DEVELOPMENT, INCLUDING EMPLOYMENT (B1)AND HOTEL & CONFERENCE CENTRE (C1). ALL MATTERS RESERVED EXCEPT ACCESS AND SITING.

    LAND AT JUNCTION OF, BRIDGE ROAD EAST & BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1HJ

    Received 5 Apr 2006
  13. Decided - GrantedS6/2015/0803/AD

    Installation of one illuminated fascia sign and one illuminated hanging sign

    18 Station Road, Cuffley, EN6 4HT

    Received 9 Apr 2015
  14. Decided - RefusedN6/2004/1231/FP

    SINGLE STOREY REAR EXTENSION

    Guest House rear of Wych Elm House Wych Elm Lane Welwyn AL6 0BN

    Received 11 Aug 2004
  15. Decided - Granted6/2025/1417/HOUSE

    Conversion of detached garage to habitable outbuilding to use as a games room, gym and home office and installation of 4 rooflights on the front and rear roof slope of the outbuilding.

    9 Mount Pleasant Close Hatfield AL9 5BZ

    Received 4 Jul 2025
  16. Decided - Refused6/2019/2291/PN8

    Prior approval for the erection of a single storey rear extension, measuring 5.483m in depth, 2.76m in height and 2.535m to the eaves

    95 Ludwick Way Welwyn Garden City AL7 3PL

    Received 16 Sept 2019
  17. Decided - Withdrawn6/2023/0616/EM

    Demolition of existing single en-bloc Garage and construction of 2-storey side extension

    59 Marsden Road Welwyn Garden City AL8 6YH

    Received 20 Mar 2023
  18. Decided - GrantedN6/2007/1125/FP

    REPLACEMENT OF EXISTING GATES, ONE TO AYOT ST PETER ROAD AND ONE TO SCHOOL LANE.

    Ayot Bury Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG

    Received 25 Jul 2007
  19. Decided - GrantedS6/2004/1637/TP

    WORK TO OAK TREE COVERED BY TPO 186

    57 Hill Rise Cuffley Potters Bar EN6 4RX

    Received 5 Nov 2004
  20. Decided - RefusedS6/2006/0531/FP

    TWO STOREY SIDE AND TWO STOREY REAR EXTENSIONS

    23 Birchwood Close Hatfield AL10 0PP

    Received 25 Apr 2006
  21. Decided6/2026/1227/TC

    1 x Acacia to reduce by 2m height and 1.5m width. Remove snapped limb. Reducing as tree is over a public footpath & has recently snapped branches

    19 Beehive Green Welwyn Garden City AL7 4BE

    Received 13 Jul 2026
  22. Decided - Granted6/2015/2161/FULL

    Change of use from amenity land to garden land

    12 Pelham Court, Welwyn Garden City, AL7 2LL

    Received 15 Oct 2015
  23. Decided - Granted6/2016/0126/EM

    Formation of hard landscaped path to the rear to provide scooter access for a disabled occupant

    2, Aubretia House, Jonquil Close, Welwyn Garden City, AL7 3HY

    Received 25 Jan 2016
  24. Decided - Granted6/2018/1160/EM

    Install timber construction and felt within new parapet walls following the removal of glass roof to conservatory

    40 Applecroft Road Welwyn Garden City AL8 6LA

    Received 30 Apr 2018

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

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Researching a proposal in Welwyn Hatfield Borough Council

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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