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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
17,355Searchable applications
298Recorded as pending
86%Approval rate · 13,981 approved or refused records
1,922Refused applications

12,059 approved · 1,922 refused · 878 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2021/2668/COND

    Submission of details pursuant to conditions 3 (sample of materials), 4 (details of the proposed crown roof), and 5 (details of hard surfacing) on planning application 6/2020/2155/FULL

    Land adjacent to 45 Kentish Lane, Brookmans Park, Hatfield, AL9 6NG

    Received 14 Sept 2021
  2. Decided - Granted6/2021/3273/EMH

    Installation of two rear facing roof windows

    81 Sweet Briar Welwyn Garden City AL7 3EB

    Received 17 Nov 2021
  3. Decided - Split6/2023/2180/COND

    Submission of details pursuant to condition 4 (engineering designs and construction of Northaw Road East access and highway works) on planning permission 6/2023/1352/VAR

    Land to the north east of King George V playing field, Northaw Road East Cuffley Potters Bar EN6 4RD

    Received 25 Oct 2023
  4. Decided - Granted6/2020/0929/COND

    Submission of details pursuant to condition 1 (construction management plan) and 3 (details of replacement hard play sports pitches) of planning permission 6/2019/0085/MAJ

    Chancellors School, Pine Grove, Hatfield, AL9 7BN

    Received 24 Apr 2020
  5. Decided - Granted6/2019/1873/FULL

    Change of use from car showroom to allow for a flexible use class of B1, B2 and B8 and the conversion and extension of existing building

    Former Swallowfields Garage Swallowfields Welwyn Garden City AL7 1JD

    Received 31 Jul 2019
  6. Decided - Granted6/2024/2310/PN8

    Prior approval for the erection of a single storey extension measuring 5m in depth and 3m in height

    505 Howlands Welwyn Garden City AL7 4HS

    Received 2 Dec 2024
  7. Decided - Split6/2025/1603/COND

    Confirmation that all conditions on planning permission 6/2020/0712/VAR dated 17 September 2020 have all been fully discharged

    Ratcliff Tail Lifts Ltd site Bessemer Road Welwyn Garden City AL7 1ET

    Received 25 Jul 2025
  8. Decided - Granted6/2024/1862/HOUSE

    Single storey rear extension and partial conversion of garage. Alterations to front elevation to include raising of parapet wall to garage and a new window with brickwork to match existing infilling existing opening to passageway

    61 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 27 Sept 2024
  9. Decided - Granted6/2025/2045/TPO

    Reduce 1 x Oak tree by 30% covered by TPO 529 (2016)

    42 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 22 Sept 2025
  10. Decided - Granted6/2019/0191/TPO

    Fell 1 x Sycamore tree (T2) - covered by TPO 585 (2016)

    High Trees Leggatts Park Great North Road Little Heath Potters Bar EN6 1NZ

    Received 29 Jan 2019
  11. Decided - Granted6/2024/2301/EM

    Replacement conservatory roof

    31 Digswell Road Welwyn Garden City AL8 7PB

    Received 28 Nov 2024
  12. Appeal Decided - Dismissed6/2021/1050/HOUSE

    Erection of a two storey side extension and installation of rear dormer to facilitate loft conversion

    41 Selwyn Crescent Hatfield AL10 9NW

    Received 30 Mar 2021
  13. Decided - Refused6/2022/0582/HOUSE

    Erection of front boundary wall and sliding access gate

    6 Stanborough Cottages Great North Road Welwyn Garden City AL8 7TE

    Received 11 Mar 2022
  14. Decided - Granted6/2020/2208/TPO

    Fell 1 x Coppice (T1) all 5 stems to 0.5-1 meter.

    2 Oaklands Rise Welwyn AL6 0RQ

    Received 27 Aug 2020
  15. Decided - Granted6/2019/2315/EM

    Reduce 1 x Elder tree by 75%

    30 Youngs Rise Welwyn Garden City AL8 6RU

    Received 19 Sept 2019
  16. Decided - Granted6/2021/0810/FULL

    Erection of 1x dwelling following the demolition of existing outhouse and garage

    6 Homestead Road Hatfield AL10 0QL

    Received 12 Mar 2021
  17. Decided - Refused6/2020/1956/EMT

    Oak (T1) - Fell

    12 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 6 Aug 2020
  18. Decided6/2023/1557/TC

    Crown reduce 1 x oak tree by 2-3m Reduce side limbs by 1-2m Remove deadwood

    1 Elmwood Welwyn Garden City AL8 6LD

    Received 27 Jul 2023
  19. Decided - Split6/2022/2847/COND

    Submission of details pursuant to Condition 4 A (partial discharge site characterisation) and B (partial discharge remediation scheme) attached to planning application 6/2022/2249VAR (a variation of application ref: 6/2021/2125/MAJ)

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 16 Dec 2022
  20. Decided - Refused6/2020/1380/PN15

    Prior approval for the installation of a 20.0m Phase 8 monopole, c/w wrapround cabinet at base and associated ancillary works

    Cornerfield Hatfield AL10 0UG

    Received 16 Jun 2020
  21. Decided - Granted6/2022/1841/TPO

    G1 3 Oak Trees - Thin by 10% and remove deadwood - This will help to maintain the health of the tree and help more light into the garden. (TPO3 W37)

    1 Carbone Hill Northaw Potters Bar Hertfordshire EN6 4PJ

    Received 8 Aug 2022
  22. Decided - Withdrawn6/2023/0605/FULL

    Erection of single storey extensions to clubhouse

    Brookmans Park Golf Club Golf Club Road Brookmans Park AL9 7AT

    Received 17 Mar 2023
  23. Decided - Granted6/2019/2762/HOUSE

    Erection of single storey front, side and rear extensions and first floor rear extension

    68 Hillcrest Hatfield AL10 8HG

    Received 1 Nov 2019
  24. Decided - Granted6/2024/1014/LAWP

    Certificate of lawfulness for change of use from residential use (Class C3) to residential care home (Class C2)

    34 Holme Road Hatfield AL10 9LF

    Received 31 May 2024

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

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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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