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
27,140Searchable applications
304Recorded as pending
86%Approval rate · 22,361 approved or refused records
3,022Refused applications

19,339 approved · 3,022 refused · 1,454 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0232/FULL

    Replacement of existing house and outbuildings with 5no new dwellings

    Home Farm 15 New Park Road Newgate Street Hertford SG13 8RD

    Received 10 Feb 2025
  2. Decided6/2021/1836/TC

    1 x Multi stem Sycamore - fell Group of Sycamore - fell 1 x Tamarisk - fell

    53 Marsden Road Welwyn Garden City AL8 6YH

    Received 15 Jun 2021
  3. Decided - Granted6/2025/0047/ADV

    Installation of internally illuminated hoarding, 2 x fascia signs, 1 x internally illuminated projecting sign, 1 x sign and 1 x frosted window vinyl

    8 Hall Grove Welwyn Garden City AL7 4PH

    Received 14 Jan 2025
  4. Decided6/2024/1303/TC

    Crown reduction 2 x beech trees back to previous growth points.

    3 Monks Rise Welwyn Garden City AL8 7NX

    Received 9 Jul 2024
  5. Decided - Granted6/2024/1741/EM

    Garage conversion

    2 Hobbs Way Welwyn Garden City AL8 6HX

    Received 10 Sept 2024
  6. Decided - Granted6/2024/1506/LAWP

    Certificate of lawfulness for installation of three front rooflights and a rear dormer to facilitate the conversion of the loft to habitable space

    13 Clarkes Road Hatfield AL10 0HN

    Received 8 Aug 2024
  7. Decided6/2023/0451/TC

    T1 Tulip tree to remove 2 lowest branches and reduce crown by 1m from branch tips (a copper beech tree next to it was recently removed revealing the tulip tree crown is unbalanced).

    4 The Green Welwyn Hertfordshire AL6 9EA

    Received 27 Feb 2023
  8. Decided - Granted6/2022/1016/EM

    Installation of solar panels on south facing roof

    7 Pitsfield, Welwyn Garden City, AL8 7SJ

    Received 29 Apr 2022
  9. Decided - Granted6/2025/1901/TPO

    TPO 907 (2023) W1 & TPO 194 A1 G1 2 x Portugal laurel to reduce by approximately 2.5m in height and 2m in width. T1 1 x Sycamore to remove the upper over extended branch by 2m to align reduce overextended limb to create a more compact canopy.

    9 Broadleaf Grove Welwyn Garden City AL8 7AZ

    Received 4 Sept 2025
  10. Decided - Granted6/2024/1675/EMT

    Crown reduce 1 x Gleditsia tree by approx 2-3m crown thin 15% and remove any major deadwood.

    28 Handside Lane Welwyn Garden City AL8 6SF

    Received 2 Sept 2024
  11. Decided - Granted6/2021/3230/EM

    Erection of detached shed in rear garden involving removal of existing shed

    3 Daniells Welwyn Garden City AL7 1QY

    Received 11 Nov 2021
  12. Decided - Split6/2020/0300/COND

    Submission of details pursuant to condition 1 (materials), 2 (construction method statement), 4 (ecological report), 5 (bat surveys), 6 (soft and hard landscaping), 7 (trees) and 12 (remediation scheme) on planning permission 6/2016/1998/FULL

    10 & 12 Oaklands Rise Welwyn AL6 0RN

    Received 3 Feb 2020
  13. Decided - Granted6/2025/0705/COND

    Submission of details pursuant to condition number 2 (Construction Method Statement), on planning permission 6/2022/2759/FULL

    Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

    Received 14 Apr 2025
  14. Decided - Granted6/2020/2001/COND

    Submission of details pursuant to condition 6 (accessible housing) on planning permission 6/2019/2344/VAR.

    Street Record Chequers Field Welwyn Garden City AL7 4SX

    Received 11 Aug 2020
  15. Decided - GrantedS6/2014/2079/LUP

    Certificate of lawfulness for the erection of a loft dormer window to the back pitched roof and installation of 2 skylights to the front pitched roof

    4 Meadow Dell, Hatfield, AL10 0SF

    Received 19 Sept 2014
  16. Decided - Withdrawn6/2021/1553/EM

    Alteration works to existing driveway, erection of brick piers, installation of automated sliding gate and erection of softwood fence.

    76 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 14 May 2021
  17. Decided - Granted6/2022/1943/FULL

    Erection of a new dwelling with associated landscaping works

    Land between 48 & 50 The Ridgeway Cuffley EN6 4BA

    Received 19 Aug 2022
  18. Decided - Granted6/2026/1150/HOUSE

    Erection of a single storey rear extension

    47 Puttocks Drive Welham Green Hatfield AL9 7LW

    Received 1 Jul 2026
  19. Decided - Granted6/2026/0866/EM

    Reinstate the existing front driveway and erection of a small white-painted timber pedestrian gate installed between the existing laurel boundary hedges. The existing front hedge is to be extended by approximately three metres to the right.

    67 Valley Road Welwyn Garden City AL8 7DR

    Received 18 May 2026
  20. Decided - Granted6/2019/2129/LB

    Erection of porch to side of main house

    Ayot Montfitchet Ayot St Peter AL6 9BH

    Received 5 Aug 2019
  21. Decided - Granted6/2025/2444/HOUSE

    Erection of part single and part two storey rear extension and loft conversion

    22 Digswell Road Welwyn Garden City AL8 7PA

    Received 21 Nov 2025
  22. Decided - Granted6/2023/0229/FULL

    Erection of a two bedroom dwelling house with parking and courtyard garden following the demolition of existing stable/barn buildings. Re-alignment of existing access track and new planting and habitat enhancement within surrounding paddock/woodland

    Blue Moon Paddock Woodfield Lane Brookmans Park AL9 6JJ

    Received 31 Jan 2023
  23. Decided - Granted6/2016/1048/HOUSE

    Erection of single storey rear extension following the demolition of the existing conservatory

    43 Codicote Road Welwyn AL6 9TT

    Received 26 May 2016
  24. Decided - Withdrawn6/2019/3256/TC

    Fell 1 x Oak tree

    14 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 30 Dec 2019

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.

  • 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