PlanningTrack
Get started

England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
23,065Searchable applications
313Recorded as pending
86%Approval rate · 18,800 approved or refused records
2,639Refused applications

16,161 approved · 2,639 refused · 1,190 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2024/1339/COND

    Submission of details pursuant of conditions 1 (sustainable design statement), 3 (crown roof detail), 4 (materials), 5 (landscape plan) on planning permission 6/2023/2547/FULL

    9 Mymms Drive Brookmans Park Hertfordshire AL9 7AE

    Received 12 Jul 2024
  2. Decided - Granted6/2016/2268/EM

    Removal of three limbs from Ash tree

    2 Fearnley Road Welwyn Garden City AL8 6HW

    Received 28 Oct 2016
  3. Decided - Granted6/2020/1744/FULL

    Erection of new 5 bedroom dwelling following demolition of existing dwellling

    25 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 14 Jul 2020
  4. Decided - Refused6/2020/0533/LB

    Installation of front bi-folding doors on the side addition of the main house and removal of a rear conservatory

    Hyde Cottage 16-18 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE

    Received 25 Feb 2020
  5. Appeal Decided - Dismissed6/2025/2220/HOUSE

    Erection of pergola

    East Lodge Judge's Hill Northaw Potters Bar EN6 4NL

    Received 20 Oct 2025
  6. Decided - Granted6/2023/0193/PN15

    Prior approval for the installation of a 15.0m Phase 8 monopole and associated ancillary works

    Moors Walk Streetworks Moors Walk Welwyn Garden City Panshanger AL7 2AX

    Received 26 Jan 2023
  7. Decided - Granted6/2018/2806/EM

    Prune 1 x Maple tree by 15-20%

    11 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 31 Oct 2018
  8. Decided6/2021/0021/TC

    Oak Tree (T2) - Thin and remove dead wood to remove 20-25% of canopy. Raise crown to 4.4m.

    4 The Limes Welwyn Garden City AL7 4BD

    Received 5 Jan 2021
  9. Decided6/2020/3392/TC

    Fell Sycamore Tree & grind stump, tree is in poor condition

    134 Longcroft Lane Welwyn Garden City AL8 6EN

    Received 18 Dec 2020
  10. Decided - Refused6/2023/2495/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in height and 3m to the eaves

    20 Bell Lane Brookmans Park AL9 7AY

    Received 14 Dec 2023
  11. Decided - Granted6/2019/1251/PN8

    Prior approval for the erection of single storey rear extension measuring 6m in depth, 3m in heights and 3m to the eaves

    97 Crawford Road Hatfield AL10 0PF

    Received 20 May 2019
  12. Decided - Granted6/2017/2100/LB

    Block up kitchen door to courtyard and replace kitchen window with wooden double glazed window, replace rear bedroom window with wooden double glazed window and paint windowsill in black

    8 Mill Lane Welwyn AL6 9ET

    Received 18 Sept 2017
  13. Decided - Granted6/2020/2877/HOUSE

    Erection of a single storey rear extension, following demolition of existing rear conservatory.

    36 Heather Road Welwyn Garden City AL8 6XU

    Received 4 Nov 2020
  14. Decided - Granted6/2019/2694/EM

    Fell 1 x Prunus Spp

    74 Lodgefield Welwyn Garden City AL7 1SE

    Received 25 Oct 2019
  15. Decided - Granted6/2018/2389/HOUSE

    Erection of single storey rear extension and construction of rear deck/patio, retaining wall and steps

    358 Knightsfield Welwyn Garden City AL8 7NG

    Received 17 Sept 2018
  16. Decided - Withdrawn6/2020/1027/FULL

    Installation of internal wall and doorway

    1-5 Park Street Hatfield AL9 5AT

    Received 7 May 2020
  17. Decided - Granted6/2017/2168/EM

    Widening of existing hardstanding, removal of part front boundary hedge and replacement of existing front boundary gates

    86 Broomhills Welwyn Garden City AL7 1RD

    Received 22 Sept 2017
  18. Decided6/2021/0081/TC

    Fell 1 x Spruce tree, reduce 1 x Elder tree by approx 3m covered by conservation area

    54 Valley Road Welwyn Garden City AL8 7DN

    Received 12 Jan 2021
  19. Decided - Granted6/2021/2868/COND

    Submission of details pursuant to condition 8 (external materials) on planning application 6/2019/2430/MAJ

    1 Town Centre Hatfield AL10 0JZ

    Received 5 Oct 2021
  20. Decided - Granted6/2021/0641/EMT

    Reduce 1x Fir and 1x Cherry tree by 50%

    24 Marsden Green Welwyn Garden City AL8 6YA

    Received 26 Feb 2021
  21. Decided - Withdrawn6/2018/1340/HOUSE

    Installation of front window to facilitate partial garage conversion to form a study

    17B Station Road Welham Green Hatfield AL9 7PL

    Received 21 May 2018
  22. Decided - Granted6/2023/1144/COND

    Submission of details pursuant to discharge of condition 1 (Landscaping Plan) on planning permission 6/2021/0079/FULL allowed at Appeal APP/C1950/W/22/3309087

    8 Hill Rise Cuffley Potters Bar Hertfordshire EN6 4EE

    Received 31 May 2023
  23. Decided - Granted6/2018/0597/HOUSE

    Erection of rear conservatory

    2 Brockett Close Welwyn Garden City AL8 7BN

    Received 2 Mar 2018
  24. Decided - Split6/2017/2400/COND

    Confirmation that conditions have been complied with S6/2004/0220/DE - 13/05/2004

    129-133 Cunningham Avenue Hatfield AL10 9JZ

    Received 18 Oct 2017

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

View all applications

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

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities