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
39,623Searchable applications
344Recorded as pending
86%Approval rate · 33,168 approved or refused records
4,742Refused applications

28,426 approved · 4,742 refused · 2,168 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2004/1586/FP

    ERECTION OF REAR CONSERVATORY

    32 Vine Close Welwyn Garden City AL8 7PS

    Received 22 Oct 2004
  2. Decided - GrantedS6/2014/1370/LUE

    Certificate of lawfulness for the retention hip to gable extension and rear dormer

    118 Hawkshead Road, Little Heath, Potters Bar, EN6 1NG

    Received 16 Jun 2014
  3. Decided - Granted6/2021/2161/HOUSE

    Erection of a part ground floor, part first floor extension, and conversion of garage to habitable use including demolition of existing conservatory

    134 Longcroft Lane Welwyn Garden City AL8 6EN

    Received 16 Jul 2021
  4. Decided - Granted6/2016/1268/EM

    Erection of single storey rear extension

    16 Attimore Close, Welwyn Garden City, AL8 6LN

    Received 24 Jun 2016
  5. Decided6/2020/3349/TC

    1 x Horse Chestnut to reduce by 20% crown volume. Remove epicormic growth from trunk 1 x Apple to reduce by 20% crown volume. Prune harder on left to balance crown

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 15 Dec 2020
  6. Decided - GrantedN6/2010/0311/TE

    REMOVAL OF FIR TREE LOCATED IN REAR GARDEN

    189 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6JA

    Received 17 Feb 2010
  7. Decided - RefusedS6/2009/2437/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED SINGLE STOREY EXTENSION SIDE AND SIDE HIP TO GABLE, TWO STOREY REAR EXTENSION AND THREE REAR DORMERS

    MEADOW CROFT, GREAT NORTH ROAD, HATFIELD, HERTFORDSHIRE, AL9 6DB

    Received 2 Nov 2009
  8. Decided - Granted6/2026/1478/COND

    Submission of details pursuant to Condition 1 (details of external render) and Condition 2 (details of windows and doors) on planning permission 6/2025/1617/HOUSE

    27 The Grove Brookmans Park AL9 7RL

    Received 21 Aug 2026
  9. Decided - GrantedW6/2009/0268/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    27 Broomhills, Welwyn Garden City, AL7 1RG

    Received 2 Feb 2009
  10. Decided - GrantedW6/2008/1124/EM

    FORMATION OF VEHICLE HARDSTANDING

    88 HOWLANDS, WELWYN GARDEN CITY, HERTSFORDSHIRE, AL7 4RF

    Received 8 Jul 2008
  11. Decided - Granted6/2017/2424/TPO

    Reduce 2x Oak trees and 1x Horse Chestnut tree by 30% covered by TPO 24 & TPO640

    4 The Drive Welwyn AL6 0TR

    Received 20 Oct 2017
  12. Decided - GrantedS6/2005/1261/FP

    REMOVAL OF EXISTING SIDE CONSERVATORY AND ERECTION OF SIDE EXTENSIONS INCORPORATING ROOF ALTERATIONS

    25 Burleigh Way Cuffley Potters Bar EN6 4LG

    Received 7 Oct 2005
  13. Decided - Granted6/2020/1070/FULL

    Raising of height of forecourt canopy

    Bell Bar Service Station A1000 Great North Road Hatfield AL9 6DB

    Received 13 May 2020
  14. Decided - GrantedN6/2015/0416/FP

    Erection of single storey rear extension

    6 East Mead, Welwyn Garden City, AL7 4RR

    Received 2 Mar 2015
  15. Decided - GrantedW6/2008/0309/EM

    ERECTION OF REAR CONSERVATORY

    97 THE COMMONS, WELWYN GARDEN CITY, HERTS, AL7 4RZ

    Received 15 Feb 2008
  16. Decided - Granted6/2023/1081/EMT

    Fell silver birch tree. We intend to replace it with another tree (exact location will be dependent on the location of the roots of the dying tree).

    13 Stacklands Welwyn Garden City AL8 6XW

    Received 22 May 2023
  17. Decided - GrantedW6/2013/1778/EM

    Erection of single storey rear extension

    52 Rosedale, Welwyn Garden City, AL7 1DR

    Received 19 Aug 2013
  18. Decided - Granted6/2018/1848/TPO

    Prune 1 x Cedar tree to clear property by 3m and shape lateral branches - covered by TPO 776 (2018) G4

    5 Harmer Dell Welwyn AL6 0BE

    Received 16 Jul 2018
  19. Decided - Granted6/2016/1692/ADV

    Installation of 2 no. externally illuminated post signs, 2 no. externally illuminated areas of signwriting and 3 no. non illuminated areas of signwriting

    The Crooked Chimney, Cromer Hyde Lane, Lemsford, Welwyn Garden City, AL8 7XE

    Received 18 Aug 2016
  20. Decided - Granted6/2018/0677/LAWE

    Certificate of lawfulness for the change of use from dwellinghouse (C3) to house of multiple occupation (C4)

    Flat 45 Howard House Howardsgate Welwyn Garden City AL8 6PB

    Received 12 Mar 2018
  21. Decided - GrantedW6/2009/1399/EM

    ERECTION OF GARDEN SHED

    BACKHOUSE ROOM, 116 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SZ

    Received 15 Jun 2009
  22. Decided - Withdrawn6/2023/1381/MAJ

    Erection of two blocks of residential flats comprising 6no 1 bed and 4no 2 beds and a mix of 19no 3, 4 and 5 bed dwellings following the demolition of existing properties and associated outbuildings and structures

    15 and 15a Codicote Road Welwyn AL6 9NE

    Received 3 Jul 2023
  23. Decided - Granted6/2022/1584/PN8

    Erection of single storey rear extension 5 metres in depth with pitched roof

    15 Martin Close Hatfield Hertfordshire AL10 8QS

    Received 6 Jul 2022
  24. Decided - WithdrawnS6/2014/1205/FP

    Erection of single storey rear and two storey side extension and installation of rear dormer

    125 Peplins Way, Brookmans Park, Hatfield, AL9 7UT

    Received 30 May 2014

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