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
21,374Searchable applications
298Recorded as pending
86%Approval rate · 17,278 approved or refused records
2,448Refused applications

14,830 approved · 2,448 refused · 1,095 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2019/2917/HOUSE

    Erection of a single storey, part two storey side and rear extension and extension of raised decking area

    11 Vine Close Welwyn Garden City AL8 7PS

    Received 20 Nov 2019
  2. Decided - Granted6/2018/2097/FULL

    Creation of hard standing to allow parking by the entrance to the property to replace existing grassed areas

    5 Woodfield Road Welwyn Garden City AL7 1JQ

    Received 13 Aug 2018
  3. Decided6/2021/0097/TC

    Reduce 1 x Dawn Redwood by 3m height and 1.5m width

    11 The Orchard Welwyn Garden City AL8 7PL

    Received 13 Jan 2021
  4. Decided - Granted6/2023/1727/EM

    Erection of single storey rear extension and new window and external door to side elevation.

    5 Peartree Court, Welwyn Garden City, AL7 3XN

    Received 16 Aug 2023
  5. Decided - Granted6/2019/0496/HOUSE

    Erection of single storey side/rear extension and alterations to openings

    3 Walden Road Welwyn Garden City AL8 7PE

    Received 5 Mar 2019
  6. Decided - Granted6/2020/3395/EMT

    Fell sycamore tree & grind stump

    134 Longcroft Lane, Welwyn Garden City, AL8 6EN

    Received 18 Dec 2020
  7. Decided - Granted6/2021/2724/HOUSE

    Erection of single storey rear extension

    72 Birchwood Avenue Hatfield AL10 0PS

    Received 21 Sept 2021
  8. Call In/Major Objection6/2026/1421/FULL

    Erection of an agricultural building.

    Thunderbridge Farm Bulls Lane Hatfield AL9 7BB

    Received 12 Aug 2026
  9. Decided - Granted6/2017/1932/EM

    1 x Plum to reduce overlong limbs by 20%

    20 Attimore Road Welwyn Garden City AL8 6LW

    Received 30 Aug 2017
  10. Decided - Granted6/2020/0870/COND

    Submission of details pursuant to condition 2g (scheme for recycling/disposing of waste) on planning permission 6/2016/1998/FULL

    10 & 12 Oaklands Rise Welwyn AL6 0RN

    Received 14 Apr 2020
  11. Decided - Granted6/2018/0630/EM

    Installation of windows in white upvc

    11 Newfields Welwyn Garden City AL8 6YS

    Received 6 Mar 2018
  12. Decided - Granted6/2018/2074/COND

    Submission of details pursuant to condition 1 (hard and soft landscaping), 3 (tree protection measures and landscape works), 4 (refuse and recycling storage bins), 5 (provision of secure cycle parking) and 6 (details of fire hydrants) on planning permission 6/2018/0534/FULL, dated 08/06/2018

    33 Lemsford Road Hatfield AL10 0DL

    Received 9 Aug 2018
  13. Decided - Refused6/2022/1132/HOUSE

    Erection of two storey rear extension, first floor side extension, two storey front extension, new roof involving the raising of the roof ridge and the erection of front boundary walls/gates/railings

    21 Homewood Avenue Cuffley Potters Bar Hertfordshire EN6 4QG

    Received 17 May 2022
  14. Under Consultation6/2026/1581/EMT

    T1 - Silver Birch reduce by approximately 1.5m height and width. Remove deadwood greater than 30mm in diameter to allow a retained size, improving light to lower shrub bed T2 - Silver Birch reduce by approximately 1.5m height and width. Remove deadwood greater than 30mm in diameter to allow a retained size, improving light to lower shrub bed

    30 Fordwich Road Welwyn Garden City AL8 6EY

    Received 10 Sept 2026
  15. Decided - Granted6/2019/1087/TPO

    Re-pollard 4 x Lime Trees and 4 x Norway Maple Trees covered by TPO 187 G1

    99 Bridge Road East Welwyn Garden City AL7 1GL

    Received 7 May 2019
  16. Decided - Granted6/2018/3116/LAWP

    Certificate of lawfulness for the use of floorspace within a retail superstore as an ancillary restaurant (A3/A5)

    Asda Superstore 98 Town Centre Hatfield AL10 0JP

    Received 6 Dec 2018
  17. Decided - Refused6/2020/1740/PN8

    Erection of single storey rear extension to the rear of the original rear of the building

    86 Bell Lane Hatfield AL9 7AY

    Received 13 Jul 2020
  18. Decided6/2024/1750/TC

    T1 pine tree lift lowest branch by 1m from branch tips which is overhanging boundary with number 19.

    21 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 10 Sept 2024
  19. Decided - Split6/2026/0104/COND

    Submission of details pursuant to Condition 4 (acoustic fencing and soft landscaping) on planning permission 6/2018/2542/FULL

    Warrenlodge Stables Great North Road Hatfield AL10 0TS

    Received 23 Jan 2026
  20. Call In/Major Objection6/2026/0867/ADV

    Installation of 1 no. new communications kiosk with integrated defibrillator and advertising display

    Land Outside 19 Town Centre Hatfield AL10 0JT

    Received 18 May 2026
  21. Decided6/2021/0549/TC

    T1 - Remove large low limb from Western red cedar located at the top of the driveway. Lift other low branches on the crown by 1-2m to allow clear access for emergency vehicles. Cut back the branches overhanging the tennis court to give 1 m clearance. T2 - Reduce branches from conifer overhanging tennis court to give 1m clearance. T 3- Overall crown reduction of cherry tree which is hanging over the main building by 2m from branch tips. T4 - Fell dead purple plum. T5 and T6 - Reduce overhanging branches on 2 large sycamore trees by up to 2m from branch tips - Covered by a Conservation Area

    Dellcott Tennis Club Delcott Close off Dognell Green Welwyn Garden City AL8 7BL

    Received 19 Feb 2021
  22. Decided - Granted6/2024/1031/TPO

    T3: Robinia (12m): Pollard to 7m due to extensive decay throughout the tree. This will reduce risk of failure T5: Wellingtonia (24m): Crown lift over footpath by 1m to prevent obstructing pedestrians TPO 572 (2016)

    10 Gresley Court Little Heath Potters Bar EN6 1LF

    Received 3 Jun 2024
  23. Decided - Granted6/2025/0492/HOUSE

    Erection of a first floor rear extension and replacement front dormer, and changes to the external materials and fenestration

    41 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

    Received 18 Mar 2025
  24. Decided - Granted6/2021/3227/VAR

    Variation of condition 4 (alterations and additions to plans), on planning permission 6/2021/0572/FULL

    30 Watchmead Welwyn Garden City AL7 1LT

    Received 11 Nov 2021

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