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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
27,017Searchable applications
304Recorded as pending
87%Approval rate · 22,251 approved or refused records
3,001Refused applications

19,250 approved · 3,001 refused · 1,446 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Granted6/2017/1594/COND

    Submission of details pursuant to condition 6 (tree replacement) on planning permission 6/2017/1043/EM

    336 Knightsfield Welwyn Garden City AL8 7NQ

    Received 21 Jul 2017
  2. Decided - Granted6/2021/2643/FULL

    Erection of a two storey, 4-bed, detached dwelling involving demolition of existing detached dwelling

    Spindlebury Cottage Ottway Walk Welwyn AL6 9AS

    Received 10 Sept 2021
  3. Decided - Granted6/2017/2413/COND

    Submission of details pursuant to conditions 2 (material samples) & 3 (full details on scaled plan of soft and hard landscaping) on planning permission 6/2015/1715/HOUSE

    14 Guessens Road Welwyn Garden City AL8 6QR

    Received 19 Oct 2017
  4. Decided - Granted6/2022/0167/HOUSE

    Erection of a two storey side extension, part single and part two storey rear extension and front dormers

    5 Coulter Close Cuffley Potters Bar EN6 4RR

    Received 24 Jan 2022
  5. Decided - Refused6/2020/2440/HOURS

    Application to temporarily vary Condition 07 of Planning application 6/2017/0848/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 22 Sept 2020
  6. Decided - Granted6/2016/0730/EM

    Reduce Beech tree and Hazel tree by 2m plus, Pollard Goat Willow tree back to primary cuts

    7 High Grove, Welwyn Garden City, AL8 7DW

    Received 7 Apr 2016
  7. Decided - Granted6/2022/2496/HOUSE

    Erection of single storey rear extension

    12 Birdcroft Road Welwyn Garden City AL8 6EQ

    Received 31 Oct 2022
  8. Decided - Granted6/2024/2319/COND

    Submission of details pursuant to condition number 1 (Details of Ground Source Heat Pumps) on planning permission 6/2022/1754/FULL and 6/2024/0837/VAR

    Old Maypole House 43 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 2 Dec 2024
  9. Decided - Granted6/2017/1314/COND

    Submission of details pursuant to conditions 1 (materials) and 2 (landscaping plans) on planning permission 6/2017/0596/HOUSE dated 16/05/2017.

    7 Roundabout Lane Welwyn AL6 0TH

    Received 16 Jun 2017
  10. Decided - Granted6/2021/0880/TPO

    Pollard 2 x low hanging branches on 1 x Hornbeam tree (T1), fell 4 x Holly trees (T2, T3, T4, T5), fell 1 x Horse Chestnut tree (T6) covered by TPO 1156

    11 Warren Way Digswell Welwyn AL6 0DQ

    Received 18 Mar 2021
  11. Decided - Granted6/2023/0409/HOUSE

    Raising of front parapet, alterations to existing openings to front elevation

    91 Attimore Road Welwyn Garden City Hertfordshire AL8 6LG

    Received 22 Feb 2023
  12. Decided - Granted6/2017/2024/TPO

    Reduce two Atlantic Cedar trees and one Sweet Chestnut tree by up to 15% - covered by TPO 203 (1996)

    1 Oaklands View Welwyn AL6 0RJ

    Received 11 Sept 2017
  13. Decided - RefusedW6/2014/1203/EM

    Erection of single storey side extension and rear garden shed

    101 Parkway, Welwyn Garden City, AL8 6JD

    Received 29 May 2014
  14. Decided - Granted6/2022/0886/HOUSE

    Erection of a single storey rear extension

    16 Burleigh Way Cuffley Potters Bar Hertfordshire EN6 4LG

    Received 13 Apr 2022
  15. Decided - Refused6/2022/2080/PN8

    Prior approval for single storey rear extension 6m in depth, 2.57m in height and 2.27m to the eaves

    24 Worcester Road Hatfield Hertfordshire AL10 0DX

    Received 7 Sept 2022
  16. Decided - Granted6/2019/3216/COND

    Submission of details pursuant to condition 1 (sample of materials) 2 (crown roof details) 3 (scheme of accessible housing) 4 (balcony flank screens) 5 (hard and soft landscaping works) 7 (cycle store) 8 (bin store) and 9 (shared surface access) on planning permission 6/2018/3125/FULL

    12 Tolmers Gardens, Cuffley, Potters Bar, EN6 4JE

    Received 23 Dec 2019
  17. Decided - Granted6/2018/1047/LAWP

    Certificate of lawfulness for enclosed bin store with fence, trellis and gate with timber posts and concrete flooring, surrounded by selected planting and reconfiguring of existing parking spaces following removal of section of hedge

    1 The Firs Welwyn Garden City AL8 7EA

    Received 23 Apr 2018
  18. Decided - Granted6/2021/2695/LAWP

    Certificate of lawfulness for proposed carport with garden store

    10 London Road Welwyn AL6 9EL

    Received 17 Sept 2021
  19. Decided - Granted6/2018/0261/EM

    Shared party wall of proposed extension at No 13 Moorend (rear of properties)

    14 Moorend Welwyn Garden City AL7 4QL

    Received 25 Jan 2018
  20. Decided6/2025/0557/TC

    Reduce 1 x Oak Tree and 1 x Sycamore Tree crown by 30% and lift crown to 3.5m in height

    13 Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU

    Received 24 Mar 2025
  21. Decided - Granted6/2024/1138/COND

    Submission of details pursuant of condition 7 (parking) on planning permission 6/2022/1774/RM

    King George V Playing Field, Northaw And Cuffley Bowling Club Northaw Road East Cuffley Potters Bar Hertfordshire EN6 4RD

    Received 18 Jun 2024
  22. Decided - Granted6/2025/0394/EMT

    1 x Bay to reduce height by approximately 1.5m 1 x Apple (larger tree) to reduce back to previous pruning points - 1.5m height & width 1 x Apple to reduce back to previous pruning points- 1.5m height & width

    1 Honeycroft Welwyn Garden City AL8 6HR

    Received 28 Feb 2025
  23. Decided - Granted6/2018/2061/EM

    Fell T1 Fir tree and reduce T2 Western red cedar tree one large branch by 1-2m

    Dellcott Tennis Club Dellcott Close Welwyn Garden City AL8 7BL

    Received 7 Aug 2018
  24. Appeal Decided - Allowed6/2019/1185/FULL

    Retention of portakabin installed at first floor over existing with balcony & enclosed staircase structure

    The Ashley Wilde Group, Emmanuel house, Travellers Close, Hatfield, AL9 7LD

    Received 15 May 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.

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  • 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.

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  • 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.

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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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