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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/0878/EMT

    G1 (ash, maple, Prunus, beech) to fell. T1 Acer to fell. T2, T3, T5, T6, T7, T8 all ash to fell. (As detailed on submitted tree location plan.)

    22 Parkway Welwyn Garden City AL8 6HG

    Received 12 Apr 2022
  2. Decided - Granted6/2023/1707/EMT

    1 x Variegated Holly to cut to ground level as the tree is in decline

    26 Sheepcote Welwyn Garden City, AL7 4QD

    Received 14 Aug 2023
  3. Decided - Granted6/2020/1179/HOUSE

    Erection of two storey front and part single/part two storey side and rear extensions, front portico; rear inverted dormer with balcony; alterations to openings and cast stone window features

    79 The Ridgeway, Cuffley, Potters Bar, EN6 4BD

    Received 27 May 2020
  4. Decided - GrantedN6/2009/0901/DS

    DISCHARGE OF CONDITION 4 ( HARD & SOFT LANDSCAPE) FROM PLANNING PERMISSION N6/2008/2109/FP

    1 Normans Lane Welwyn AL6 9TQ

    Received 13 May 2009
  5. Decided - Split6/2023/2181/COND

    Submission of details pursuant to condition 5 (additional plans with detailed engineering designs and construction of the highway improvement works) on planning permission 6/2023/1352/VAR

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 25 Oct 2023
  6. Decided - Granted6/2016/0547/HOUSE

    Installation of front porch and erection of two storey extension to include two dormer windows

    4 The Drive Welwyn AL6 0TR

    Received 23 Mar 2016
  7. Decided - Granted6/2021/1881/LAWP

    Certificate of lawfulness for loft conversion with rear dormer and three skylight at front roof slope

    10 Rickfield Close Hatfield AL10 8RP

    Received 21 Jun 2021
  8. Decided - Granted6/2025/2054/HOUSE

    Erection of single storey rear extension and raising the roof height of the existing single storey rear protrusion following the demolition of the existing conservatory.

    3 Westly Wood Welwyn Garden City AL7 1QN

    Received 25 Sept 2025
  9. Decided - Withdrawn6/2017/1074/PN8

    Prior Approval for erection of single storey rear extension measuring 4.05m in length, 2.95m in height and 2.8m to the eaves together with installation of 2x rooflights following demolition of existing conservatory

    36 Knightsfield Welwyn Garden City AL8 7HA

    Received 17 May 2017
  10. Decided - Split6/2025/0022/COND

    Submission of details pursuant of condition 1 (crown roof), condition 2 (materials), condition 3 (hard & soft landscape), condition 4 (heat pump), condition 9 (water efficiency) on planning permission 6/2023/1124/FULL

    2 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 7 Jan 2025
  11. Decided - GrantedN6/2006/0157/FP

    ERECTION OF STABLE BLOCK

    Brocksfield Homerswood Lane Ayot St Peter Welwyn Hertfordshire

    Received 6 Feb 2006
  12. Decided6/2021/2995/TC

    1 x Norway Maple to reduce by 1.5m height & 2m width and remove major deadwood

    9 Mannicotts Welwyn Garden City AL8 7BW

    Received 19 Oct 2021
  13. Under Consideration6/2026/0858/ADV

    Installation of six signs

    Welham Green Service Station Dellsome Lane Welham Green Hatfield AL9 7NF

    Received 15 May 2026
  14. Decided - Granted6/2022/1082/HOUSE

    Erection of a first floor rear extension and insertion of roof light into existing flat roof.

    69 Maple Grove Welwyn Garden City AL7 1NN

    Received 9 May 2022
  15. Decided - Granted6/2021/1770/HOUSE

    Erection of single storey side extension to existing main dwelling and a single storey rear extension to existing detached garage, including the insertion of front and rear facing roof lights to existing garage roof.

    Fox Meadow 40 Firs Wood Close Northaw Potters Bar EN6 4BY

    Received 7 Jun 2021
  16. Decided - Granted6/2018/2166/PN8

    Prior approval for the erection of single storey rear extension measuring 4m in depth, 2.9m in height, 2.9m to the eaves

    24 Elm Drive Hatfield AL10 8NU

    Received 20 Aug 2018
  17. Decided - Granted6/2015/2064/HOUSE

    Erection of two storey rear extension with single storey side and rear extension

    17a New Park Road, Newgate Street, Hertford, SG13 8RD

    Received 6 Oct 2015
  18. Decided - Granted6/2016/2717/LAWE

    Certificate of lawfulness for the retention of the stables building as a lawful form of operational development

    The Stables White Lodge Farm Bulls Lane Hatfield AL9 7AZ

    Received 22 Dec 2016
  19. Decided6/2025/1846/TC

    1 x Deodar Cedar to remove in sections to ground level, grind out stump to around 200mm below existing ground level

    18 Church Street Welwyn AL6 9LX

    Received 28 Aug 2025
  20. Decided - GrantedN6/2013/1135/FP

    Proposed front and rear infills

    Homerswood Primary and Nursery School, Kirklands, WELWYN GARDEN CITY, AL8 7RF

    Received 28 May 2013
  21. Decided - Granted6/2018/2690/HOUSE

    Erection of a rear garden annexe

    18 Cranborne Road Hatfield AL10 8AP

    Received 22 Oct 2018
  22. Decided - GrantedW6/2008/2095/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION, ALTERATIONS TO FENSTRATION AND PROPOSED VEHICLE HARDSTANDING

    39 GREAT LEY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4TJ

    Received 5 Nov 2008
  23. Decided - Refused6/2023/0833/HOUSE

    Erection of single storey rear extension and extension to first floor to create habitable space

    60 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 18 Apr 2023
  24. Decided - GrantedN6/2009/0386/TC

    REMOVAL OF APPLE TREE FROM REAR GARDEN

    131 HANDSIDE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6TA

    Received 16 Feb 2009

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

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    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.

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