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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
19,350Searchable applications
298Recorded as pending
86%Approval rate · 15,628 approved or refused records
2,172Refused applications

13,456 approved · 2,172 refused · 981 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/2099/EM

    Replacement of front door and double garage doors

    56 Valley Road Welwyn Garden City AL8 7DN

    Received 21 Aug 2019
  2. Decided - Withdrawn6/2020/1089/LAWE

    Certificate of lawfulness for the installation of solar panels

    New Queen Elizabeth Ii Hospital Howlands Welwyn Garden City AL7 4HQ

    Received 14 May 2020
  3. Decided - Refused6/2026/0191/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    11 Wheatbarn Welwyn Garden City AL7 2BN

    Received 4 Feb 2026
  4. Decided - Refused6/2025/0241/EMT

    1 x Scot's pine to dismantle in sections to near ground level.

    150 Parkway Welwyn Garden City AL8 6HP

    Received 11 Feb 2025
  5. Appeal Decided - Dismissed6/2022/0810/HOUSE

    Hip to gable roof conversion with installation of front facing rooflights and rear dormer.

    36 Oaklands Avenue Hatfield AL9 7UJ

    Received 1 Apr 2022
  6. Decided - Granted6/2024/0383/EMT

    1 x Apple to reduce back to previous pruning points (approx. 2m), thin remaining canopy by approximately 30% crown volume. 1 x Cherry to reduce limb over the garage

    18 Meadow Green Welwyn Garden City AL8 6SS

    Received 27 Feb 2024
  7. Decided - Granted6/2020/3287/EMT

    Retrospective application Reduce 1 x Holly by 40% Fell 1 x dead Cotoneaster shrub Reduce 1 x Magnolia by 50% due to touching building

    6 Youngs Rise, Welwyn Garden City, AL8 6RU

    Received 7 Dec 2020
  8. Decided - Granted6/2025/0745/EMT

    Removal of diseased cherry tree from front garden

    7 Handside Green Welwyn Garden City AL8 6SQ

    Received 17 Apr 2025
  9. Decided - Granted6/2023/0198/EM

    Erection of single storey side and rear extension, 1st floor rear extension and erection of summer house, following demolition of existing rear extension and outbuildings, including garage

    42 Fordwich Road Welwyn Garden City AL8 6EY

    Received 26 Jan 2023
  10. Decided - Granted6/2024/0264/FULL

    Loft conversion roof extension with dormer to rear and roof light to the front

    4A Crawford Road Hatfield AL10 0PG

    Received 8 Feb 2024
  11. Decided - Granted6/2024/1165/LB

    Removal of historic bronze statue of a greyhound by Paul Troubetzkoy from a brick plinth at the west end of the raised path at the rear of the house, reinforce the existing brick plinth to house a replica statue. Creation and reinforcement of an additional brick plinth at the east end of the raised path and installation of a replica statue lost to theft

    Shaws Corner Bibbs Hall Lane Ayot St Lawrence AL6 9BX

    Received 21 Jun 2024
  12. Decided - Refused6/2024/1904/FULL

    Erection of extension to existing stable block to provide workshop and storage space for ground maintenance machinery

    Brick Kiln Cottage 7 Homerswood Lane Ayot St Peter Welwyn AL6 9AD

    Received 3 Oct 2024
  13. Decided - Granted6/2020/1467/HOUSE

    Erection of front boundary wall with railings, piers and gates

    31 Mymms Drive Hatfield AL9 7AE

    Received 22 Jun 2020
  14. Decided - Granted6/2020/2452/TPO

    T1- Scots pine- to crown lift lower left hand side branches by 1m. Remaining crown to have dead wood removed. T2 - Sequoia - inspection to be undertaken to remove dead wood and assess possible removal of lower limb. T3- Yew tree - reduction in height of 2m. T4-5 - Scots Pine - removal of dead wood from crown.

    90 Pine Grove Hatfield AL9 7BW

    Received 24 Sept 2020
  15. Decided - Granted6/2026/1360/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2025/2622/HOUSE

    93 Salisbury Road Welwyn Garden City AL7 3RY

    Received 3 Aug 2026
  16. Decided - Granted6/2020/1537/EM

    Replacement and enlargement of driveway

    28 Attimore Road Welwyn Garden City AL8 6LP

    Received 29 Jun 2020
  17. Decided - Granted6/2024/1563/HOUSE

    Proposed first floor rear and front gable extension

    99 Northaw Road West Northaw Potters Bar EN6 4NS

    Received 16 Aug 2024
  18. Decided - Granted6/2018/3139/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.5m in depth, 3.5m in height, 2.7m to the eaves

    22 Redhall Drive Hatfield AL10 9EE

    Received 7 Dec 2018
  19. Decided - Granted6/2023/0137/LAWP

    Certificate of lawfulness for installation of solar panels

    1E New Road Digswell Welwyn AL6 0AE

    Received 19 Jan 2023
  20. Decided - Refused6/2019/2033/FULL

    Raising and levelling of ground to facilitate landscaping and erection of fence

    1 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 15 Jul 2019
  21. Decided - Refused6/2019/2787/LAWE

    Certificate of lawfulness for the existing use of non-residential training centre (D1)

    58 St Albans Road East Hatfield AL10 0EH

    Received 4 Nov 2019
  22. Decided - Refused6/2023/1388/HOUSE

    Erection of a part two, part single storey side extension, Erection of a part two, part single storey rear extension and erection of a detached garage. Landscaping and boundary treatment

    16 Guessens Road Welwyn Garden City AL8 6QR

    Received 4 Jul 2023
  23. Decided - Granted6/2021/0910/LAWP

    Certificate of lawfulness for the erection of a side and rear extension following demolition of existing rear extension

    5 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 22 Mar 2021
  24. Decided - Granted6/2021/0534/HOUSE

    Demolition of conservatory and erection of single storey rear extension.

    89 Deerswood Avenue Hatfield AL10 8RZ

    Received 18 Feb 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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