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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
22,278Searchable applications
295Recorded as pending
86%Approval rate · 18,097 approved or refused records
2,565Refused applications

15,532 approved · 2,565 refused · 1,148 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/1421/FULL

    Demolition of the existing house for replacement dwelling with associated landscaping and erection of brick pillars and sliding electric gates

    91 Tolmers Road Cuffley Potters Bar EN6 4JL

    Received 5 May 2021
  2. Decided - Granted6/2021/0249/FULL

    Erection of a detached single storey isolation admissions building consisting of four bedroom ensuites, lounge, diner, kitchen, laundry and bathroom and associated patio area.

    St Andrews Care Home Great North Road Welwyn Garden City AL8 7SR

    Received 27 Jan 2021
  3. Decided - Granted6/2020/2320/HOUSE

    Erection of single storey side to rear extension and new obscure glazed window to side elevation at first floor level

    43 Briars Lane Hatfield AL10 8ES

    Received 10 Sept 2020
  4. Decided - Withdrawn6/2020/3402/HOUSE

    Two storey rear extension.

    36 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 21 Dec 2020
  5. Decided - Granted6/2018/1430/FULL

    Replacement of existing doors in blocks E, F, G, H and J

    Welwyn Garden City Campus Oaklands College The Campus Welwyn Garden City AL8 6AH

    Received 29 May 2018
  6. Decided6/2025/2568/TC

    A large lime tree (tilia sp.) that has previously been managed by our regular tree surgeon through crown reduction, the last such being done 10-15 years ago. He has advised that we should now repeat the same treatment, crown reduction, to approximately the same cut points as last time. It is intended to carry out the works while the tree is dormant this winter

    29 Lemsford Village Lemsford Welwyn Garden City AL8 7TN

    Received 15 Dec 2025
  7. Decided - Split6/2018/2713/COND

    Submission of details pursuant to condition 1 (materials samples), 5 (bin stores) and 6 (cycle stores) on planning permission 6/2017/2415/MAJ

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 23 Oct 2018
  8. Decided6/2018/2358/TPO

    Fell 1 x Poplar tree -Conservation area

    105 Handside Lane Welwyn Garden City AL8 6SP

    Received 11 Sept 2018
  9. Decided - Granted6/2019/0335/COND

    Submission of details pursuant to condition 1 (Ecology appraisal) on approved planning application 6/2018/2839/FULL

    Land off Monkswood Welwyn Garden City

    Received 13 Feb 2019
  10. Site Visit Completed6/2022/1021/FULL

    Change of use to a mixed use of equestrian and residential to enable the siting of 1 no. mobile and 1 no. touring caravan

    Moore Stables Great North Road Welwyn Garden City AL8 7TQ

    Received 3 May 2022
  11. Decided - Granted6/2026/1143/EMT

    G1 - Laurel and Holly - Trim sides and top to previous, 15% Approx. T2 Chestnut - Reduce and shape crown by 20%. T3 Chestnut - Reduce and shape crown by 20%. T4 Sycamore - Reduce crown 1 metres below previous points.

    6 Youngs Rise, Welwyn Garden City, AL8 6RU

    Received 1 Jul 2026
  12. Decided - Granted6/2026/0063/HOUSE

    Retention of front boundary garden wall

    51 Huggins Lane Welham Green Hatfield AL9 7LJ

    Received 14 Jan 2026
  13. Decided - Granted6/2024/2444/LAWE

    Certificate of existing lawfulness for the constructive start of planning permission 6/2016/1998/FULL

    10 Oaklands Rise Welwyn AL6 0RN

    Received 30 Dec 2024
  14. Under Consideration6/2026/1232/FULL

    Alterations to existing restaurant, including alterations to elevations, replacement HVAC at roof level and associated works

    The Stanborough Stanborough Road Welwyn Garden City AL8 6DQ

    Received 14 Jul 2026
  15. Decided6/2023/0379/TC

    T1 Removal of ornamental cherry tree from front garden, including stump grinding

    78 Longcroft Lane Welwyn Garden City AL8 6EF

    Received 20 Feb 2023
  16. Decided - Granted6/2023/2570/HOUSE

    Erection of a single storey front extension to integral garage

    4 Whetstone Court Whetstone Close Welwyn AL6 0QY

    Received 29 Dec 2023
  17. Decided - Granted6/2020/3398/LAWP

    Certificate of lawfulness for erection of fencing, gates and bollards to enclose parking area

    Chancellors School Pine Grove Brookmans Park AL9 7BN

    Received 21 Dec 2020
  18. Decided - Granted6/2021/1508/HOUSE

    Installation of an external swimming pool.

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 12 May 2021
  19. Decided - Granted6/2024/0066/HOUSE

    Erection of single storey rear extension and front infill extension and new front porch

    71 Hill Rise Cuffley Potters Bar EN6 4RJ

    Received 10 Jan 2024
  20. Decided - Granted6/2018/1091/HOUSE

    Erection of single storey rear extension and attached single storey garage following demolition of existing shed

    146 Salisbury Road Welwyn Garden City AL7 3SA

    Received 26 Apr 2018
  21. Decided - Granted6/2021/2878/HOUSE

    Erection of part two storey, part first floor front extension, first floor side extension, part first floor, part two storey rear extension and two single storey front extensions to form a porch and a bay window.

    12 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 7 Oct 2021
  22. Decided - Granted6/2025/0391/LAWP

    Certificate of lawfulness for the insertion of new rooflight to rear elevation with internal extension to loft

    8 Pennyfathers Lane Welwyn AL6 0EN

    Received 28 Feb 2025
  23. Decided - Granted6/2019/2706/COND

    Submission of details pursuant to condition 10 (construction method statement) 11 (construction management plan) and 40 (site waste management plan) on planning permission 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 28 Oct 2019
  24. Decided - Granted6/2017/0871/HOUSE

    Erection of first floor rear extension

    91 Hollybush Lane Welwyn Garden City AL7 4JR

    Received 25 Apr 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.

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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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    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.

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