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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2020/0165/FULL

    Erection of single storey front and two storey side extensions

    126 Great North Road Hatfield AL9 5JN

    Received 23 Jan 2020
  2. Decided - Refused6/2018/0342/LAWP

    Certificate of lawfulness for a single storey basement, six single storey outbuildings and a rear dormer roof extension

    The Spinney 27 The Ridgeway Cuffley Potters Bar EN6 4BB

    Received 2 Feb 2018
  3. Decided - Granted6/2018/3086/PN8

    Prior approval for the erection of a single storey rear extension measuring 5.4m in depth, 3m in height, 2.2m to the eaves

    125 Aldykes Hatfield AL10 8EB

    Received 23 Nov 2018
  4. Decided - Granted6/2021/1975/HOUSE

    Erection of first floor rear extension with alterations to openings

    94 The Commons Welwyn Garden City AL7 4SB

    Received 29 Jun 2021
  5. Decided - Granted6/2021/1140/EMH

    Erection of an additional parallel car parking space by widening driveway by approx 20m2 North

    2 Dellcott Close Welwyn Garden City AL8 7BD

    Received 7 Apr 2021
  6. Decided - Granted6/2020/2716/HOUSE

    Single storey rear extension and replacement of garage door with window.

    47 Mulberry Mead Hatfield AL10 9EH

    Received 19 Oct 2020
  7. Decided - GrantedW6/2005/1298/EM

    ERECTION OF SINGLE STOREY EXTENSTION. (AMENDMENT TO N6/2005/0843/FP)

    138 Parkway, Welwyn Garden City, AL8 6HP

    Received 12 Oct 2005
  8. Decided6/2021/2679/TC

    Reduce 2 x Ash trees by 3m in height and 2m in width, and remove deadwood covered by conservation area

    75 Newfields Welwyn Garden City AL8 6YS

    Received 16 Sept 2021
  9. Decided - Withdrawn6/2022/1595/TC

    WORK TO BE CARRIED OUT LATE SUMMER Silver Birch T1 back of property Goals: • Crown thin to improve light and air penetration through crown concentrating on excessive regrowth from previous reduction points to give better branch structure and growth • Remove 20 percent of live branches

    6 Handside Green Welwyn Garden City Hertfordshire AL8 6SQ

    Received 6 Jul 2022
  10. Decided6/2017/2780/TPO

    1 x Cherry to reduce by 2m height & width, 1 x Plum to reduce by 2m height & width (Conservation Area)

    16 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 28 Nov 2017
  11. Decided - GrantedS6/2007/0482/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION.

    7 Travellers Lane Hatfield AL10 8SE

    Received 23 Mar 2007
  12. Decided - GrantedS6/2007/0251/FP

    ERECTION OF 2.35 METRE HIGH TIMBER CLOSE BOARDED BOUNDARY FENCING AND SECTION OF 2.35 METRE HIGH PALISADE FENCING AND ACCESS GATES TO SURROUND VEHICLE PARKING/STORAGE AREA

    LAND AT, TRAVELLERS LANE, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7HW

    Received 15 Feb 2007
  13. Decided - Granted6/2016/2347/TPO

    Removal of Cherry tree - Dead & Dangerous - Conservation Area

    28 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 7 Nov 2016
  14. Decided - GrantedW6/2009/1463/EM

    ERECTION OF REAR CONSERVATORY

    7 ETHELRED CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3QF

    Received 13 Jul 2009
  15. Decided - Granted6/2016/0248/HOUSE

    Erection of single storey side extention and garage conversion & extension, including alterations to create a store

    47 Homewood Avenue, Cuffley, Potters Bar, EN6 4QQ

    Received 8 Feb 2016
  16. Decided - Granted6/2018/0980/EM

    Erection of part single, part two storey rear extension including installation of 2 x side windows

    129 Thistle Grove Welwyn Garden City AL7 4AG

    Received 16 Apr 2018
  17. Decided - GrantedW6/2006/0545/EM

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    37 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 26 Apr 2006
  18. Decided - Granted6/2020/3302/EMT

    3 x Limes to re-pollard back to existing pruning points approx 3m height & width

    8 Guessens Road Welwyn Garden City AL8 6QR

    Received 8 Dec 2020
  19. Decided - Granted6/2016/0783/TPO

    Removal of Ash tree - Dead and Dangerous application - Conservation Area

    52 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 25 Apr 2016
  20. Decided - GrantedS6/2013/1552/DS

    Discharge of conditions 3 (materials), 4 (landscaping), and 5 (roosting sites details) of planning permission S6/2012/2153/FP

    27 Kentish Lane, Brookmans Park, Hatfield, AL9 6NG

    Received 18 Jul 2013
  21. Decided - GrantedN6/2013/0178/FP

    Erection of single storey front and side extension

    27 Wilshere Road Welwyn AL6 9PU

    Received 28 Jan 2013
  22. Decided - GrantedN6/2014/2134/TP

    Reduce and reshape by 3 metres to Oak tree covered by TPO 323

    1 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 29 Sept 2014
  23. Decided - Granted6/2015/2327/FULL

    Erection of toilet/shower block following demolition of existing toilet/shower block

    Tolmers Scout Camp, Tolmers Road, Cuffley, Potters Bar, EN6 4JS

    Received 17 Nov 2015
  24. Decided - Granted6/2023/2345/FULL

    Erection of rear infill extension from ground to second floor with roof extension to create an additional floor and facade improvements to provide additional offices (Class E)

    Everest House Sopers Road Cuffley Potters Bar EN6 4SG

    Received 21 Nov 2023

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