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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
21,119Searchable applications
298Recorded as pending
86%Approval rate · 17,053 approved or refused records
2,410Refused applications

14,643 approved · 2,410 refused · 1,082 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - Withdrawn6/2025/2115/FULL

    Change of use from single family dwelling C3 to children's care home for single child placement. Installation of a covered bike and bin store to the rear of the property

    7 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 3 Oct 2025
  2. Decided - Granted6/2018/2397/EM

    Fell 1x Cherry Tree(T3)

    48 Rooks Hill Welwyn Garden City AL8 6ET

    Received 18 Sept 2018
  3. Decided - Granted6/2019/0616/HOUSE

    Erection of single storey front and side extension, two storey side extension and part single part two storey rear extension to include rear Juliet balcony and glass feature to front elevation

    16 The Holdings Hatfield AL9 5HQ

    Received 15 Mar 2019
  4. Decided6/2019/0123/TPO

    Beech tree reduction by 30%. Covered by conservation area

    21 Birdcroft Road Welwyn Garden City AL8 6EH

    Received 22 Jan 2019
  5. Decided - Granted6/2018/1758/HOUSE

    Erection of a part two storey and part single storey side extension

    2 Hitherway Welwyn Garden City AL8 7RG

    Received 4 Jul 2018
  6. Decided - Granted6/2018/2370/HOUSE

    Installation of 2 x front pitched roof dormers following approval for rear roof dormer

    15 Heronfield Little Heath Potters Bar EN6 1JA

    Received 14 Sept 2018
  7. Decided - Granted6/2023/0190/COND

    Submission of details pursuant to condition 3 (archaeological report for Part A & B, items 2 to 6 for Phases 1, excluding decant building) on planning permission 6/2021/2125/MAJ

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City Hertfordshire AL8 6XF

    Received 25 Jan 2023
  8. Decided - Granted6/2023/1729/HOUSE

    Erection of single storey rear extension with insertion of rooflights and addition of photovoltaic panels to roof, plus new raised decking area

    10 Wellcroft Road Welwyn Garden City AL7 3JY

    Received 16 Aug 2023
  9. Decided - Granted6/2018/2103/EM

    Installation of front window to facilitate conversion of garage, installation of 2 x rooflights to replace existing roof lanterns and installation of 1 rooflight in existing roof

    25 Lady Grove Welwyn Garden City AL7 4DS

    Received 13 Aug 2018
  10. Decided - Granted6/2023/2231/FULL

    Erection of a single storey extension to the south west elevation

    Motus Truck & Van Mercedes-Benz Travellers Lane Welham Green Hatfield AL9 7HN

    Received 2 Nov 2023
  11. Decided - Granted6/2023/1775/EMT

    Reduce height of silver birch by 1.5 metres and width of 1.2 metres

    5 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 23 Aug 2023
  12. Decided - Granted6/2025/1755/EMT

    1 x Beech tree to reduce by 30%. 1 x Cherry tree to reduce by 30%.

    4 The Old Drive Welwyn Garden City AL8 6TB

    Received 18 Aug 2025
  13. Decided - Granted6/2021/1168/HOUSE

    Erection of a two storey side extension and insertion of window to existing front elevation.

    1 Fearnley Road Welwyn Garden City AL8 6HW

    Received 12 Apr 2021
  14. Decided - Granted6/2024/1666/ADV

    Installation of 3D illuminated lettering, 2 x internally illuminated window signs, 1 x illuminated box sign, 1 x non-illuminated fascia sign and 5 x vinyl graphic to be installed on 5 no. trolley bays

    Unit 1A Oldings Corner Retail Park Comet Way Hatfield AL9 5JJ

    Received 30 Aug 2024
  15. Decided - Granted6/2022/2330/HOUSE

    Erection of a single storey side extension, following demolition of existing garage and outbuilding

    1 Four Acres Welwyn Garden City AL7 4NW

    Received 6 Oct 2022
  16. Decided - Granted6/2024/0235/TPO

    T1 Ash tree - Fell due to being dead and dangerous, fear of falling into the driveway TPO 658 (2017) G1

    47 Harmer Green Lane Digswell Welwyn AL6 0AP

    Received 5 Feb 2024
  17. Decided - Granted6/2022/1823/EM

    Installation of hard standing

    37 Sweet Briar Welwyn Garden City AL7 3DU

    Received 4 Aug 2022
  18. Decided - Granted6/2019/2053/FULL

    Erection of 20m high monopole and associated works following removal of existing

    Hatfield Tunnel Verge of A1001 Hatfield AL10 9RH

    Received 16 Aug 2019
  19. Decided - Granted6/2021/2470/EMH

    Erection of a single storey rear extension and alterations to the fenestrations

    47 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 23 Aug 2021
  20. Decided - Granted6/2023/0685/EM

    Erection of single storey rear extension at ground floor level, single storey side extension at ground floor level, single storey front extension at ground floor level and side extension at first floor level

    20 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 27 Mar 2023
  21. Decided - Granted6/2023/1874/FULL

    Installation of two ducted air conditioning vents

    Flat 13 Highclere House 98 Great North Road Hatfield AL9 5DB

    Received 8 Sept 2023
  22. Decided - Granted6/2017/2203/COND

    Submission of details pursuant to condition 3 (Demolition and Construction Method Statement) on Planning application 6/2016/1740/LB dated 13 October 2016

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 28 Sept 2017
  23. Decided6/2023/1071/TC

    T1 - Fell 1 x Dead Birch

    30 Coneydale Welwyn Garden City Hertfordshire AL8 7RZ

    Received 19 May 2023
  24. Decided - Granted6/2021/3464/FULL

    Change of use of employment building to flexible use within Class E(g) and/or Class B2 (general industrial) and/or Class B8

    Unit D City Park Watchmead Welwyn Garden City AL7 1LT

    Received 10 Dec 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

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    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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