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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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Granted6/2026/1416/TPO

    TPO 658 - Fell dead pine tree and dying Silver birch tree

    43 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 11 Aug 2026
  2. Decided - Granted6/2019/0355/LAWP

    Certificate of lawfulness for garage conversion into habitable space (office and storage area) including replacement of garage door with brick wall & window and insertion of 1 no. rooflight.

    10 Homerfield Welwyn Garden City AL8 6QZ

    Received 14 Feb 2019
  3. Decided - GrantedN6/2014/0861/TC

    Reduce Oak tree crown by 25%

    22 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 14 Apr 2014
  4. Decided - Granted6/2017/2136/EM

    Erection of single storey rear extension, first floor side and rear extension and garage conversion

    17 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 15 Sept 2017
  5. Decided - WithdrawnN6/2007/0254/FP

    ERECTION OF A FIRST FLOOR SIDE EXTENSION

    9 River View Welwyn Garden City AL7 1UA

    Received 15 Feb 2007
  6. Decided - GrantedC6/1988/7027/AD

    Two non-illuminated angle signboards.

    Fretherne Road, Welwyn Garden City, AL8 6NS

    Received 1 Jan 1988
  7. Decided - Granted6/2022/2083/LB

    Roof refurbishment

    12 Cromer Hyde Lane Lemsford Welwyn Garden City Hertfordshire AL8 7XE

    Received 7 Sept 2022
  8. DecidedN6/2015/0384/CD

    Use of 0.8ha of land for maintenance storage and repair workshop used solely in connection with on-site inert waste recycling operation

    Waste Recyclng Operation at, Birchall Lane Site, Welwyn Garden City

    Received 24 Feb 2015
  9. Decided6/2019/1503/TC

    Reduce 1 x Ash tree by 30%

    5 Moorside Welwyn Garden City AL7 4QH

    Received 20 Jun 2019
  10. Decided - Granted6/2015/2058/TPO

    Fell Silver Birch tree (T1) and reduce second Silver Birch tree (T2) by 20% - Conservation Area.

    3 Mandeville Rise, Welwyn Garden City, AL8 7JT

    Received 5 Oct 2015
  11. Decided - GrantedN6/2013/1273/FP

    Erection of 4 bed detached chalet bungalow with single integral garage and driveway following demolition of existing

    13 The Drive Welwyn AL6 0TW

    Received 19 Jun 2013
  12. Decided - Granted6/2021/3383/TPO

    Reduction of Western Red Cedar by 25% covered by TPO 16 (1973)

    Trees within Gobion Woods Brookmans Park Hatfield AL9 7AF

    Received 1 Dec 2021
  13. Decided - GrantedW6/2009/0271/EM

    INSTALLATION OF WINDOW AND DOOR INTO GARAGE REAR ELEVATION

    20 LINKFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4DW

    Received 4 Feb 2009
  14. Decided - GrantedS6/2004/1362/FP

    RECONSTRUCTION OF EXISTING GARAGE

    CARRAMORE HOUSE, 50 VINEYARDS ROAD, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4PD

    Received 8 Sept 2004
  15. Decided - Granted6/2021/2966/EMT

    Tree - crown reduction and crown thinning to the previous pruning points

    31 Reddings, Welwyn Garden City, AL8 7LA

    Received 15 Oct 2021
  16. Appeal Decided - Allowed6/2020/1084/LAWP

    Certificate of lawfulness for the erection of outbuilding

    Clematis Cottage Ayot Little Green Lane Ayot St Peter Welwyn AL6 9BD

    Received 14 May 2020
  17. Decided - GrantedW6/2006/0025/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    20 Dellcott Close, Welwyn Garden City, AL8 7BD

    Received 9 Jan 2006
  18. Decided - Granted6/2020/2185/HOUSE

    Erection of a single storey rear extension, to include lantern in proposed roof.

    40 Parkway Welwyn Garden City AL8 6HQ

    Received 27 Aug 2020
  19. Decided - Granted6/2019/0566/HOUSE

    Erection of garage following demolition of existing garage

    1 Guessens Road Welwyn Garden City AL8 6QW

    Received 11 Mar 2019
  20. DecidedN6/2005/0001/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION TO ANCILLARY RESIDENTIAL DWELLING

    Wych Elm House Wych Elm Lane Welwyn AL6 0BN

    Received 5 Jan 2005
  21. Decided - GrantedN6/2015/0133/FP

    Demolition of existing rear extension and erection of replacement single storey rear extension, garage conversion and change of use of Use Class C3 Dwelling to a Sui-Generis mixed use comprising Use Class C3 Dwelling and Use Class D1 Chiropractors.

    32 Great North Road Welwyn Garden City AL8 7TJ

    Received 23 Jan 2015
  22. Appeal Decided - Allowed6/2022/0758/HOUSE

    Erection of a single storey side extension to facilitate conversion of garage into a habitable space.

    49 Mulberry Mead Hatfield AL10 9EH

    Received 29 Mar 2022
  23. Decided - Refused6/2021/1795/HOUSE

    Erection of a two storey side extension to both sides, single storey rear extension, loft conversion with installation of rear dormer and the insertion of skylights to the roof

    18 Thrush Lane Cuffley Potters Bar EN6 4JT

    Received 9 Jun 2021
  24. Decided - Granted6/2023/0243/EM

    Erection of single storey rear extension

    44 Middlefield Welwyn Garden City AL7 4DJ

    Received 31 Jan 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

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

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    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.

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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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