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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
19,524Searchable applications
298Recorded as pending
86%Approval rate · 15,780 approved or refused records
2,199Refused applications

13,581 approved · 2,199 refused · 987 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0728/HOUSE

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

    7 Hazel Close Digswell Welwyn AL6 0DJ

    Received 5 Mar 2021
  2. Decided - Refused6/2026/1014/HOUSE

    Erection of two-storey front extension

    13 Greenfield Hatfield AL9 5HW

    Received 9 Jun 2026
  3. Decided - Granted6/2024/0212/EM

    Installation of solar panels to rear roof

    7 Russellcroft Road Welwyn Garden City AL8 6QY

    Received 2 Feb 2024
  4. Decided - Refused6/2018/1323/FULL

    Erection of a 2-bedroom flat above existing flats

    Garages and land adjacent to flats 37- 48 Lambs Close Cuffley EN6 4HD

    Received 17 May 2018
  5. Decided6/2021/0537/TPO

    Fell 1 x Ash tree covered by conservation area

    37 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 18 Feb 2021
  6. Decided - Granted6/2025/1192/EMT

    Reduce 1 x Cypress by 1m Reduce 1 x Holly by 1.5m

    139 Handside Lane Welwyn Garden City AL8 6TA

    Received 13 Jun 2025
  7. Decided6/2023/1824/TC

    T1 Cotoneaster tree - front garden. Crown reduction to reduce height and spread by approx 1-2m. T2 Cotoneaster tree - rear garden. Remove lower horizontal branch back to parent stem. Reduce remaining crown height and spread by approx 2-3m.

    7 Elmwood Welwyn Garden City AL8 6LD

    Received 1 Sept 2023
  8. Decided - Granted6/2021/1520/EMH

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

    4 Hawthorns Welwyn Garden City AL8 7SE

    Received 12 May 2021
  9. Decided - Granted6/2025/0325/LAWP

    Certificate of lawfulness for garage conversion to habitable use. Including replacing garage door to window & brickwork below

    17 Becket Gardens Welwyn AL6 9JE

    Received 20 Feb 2025
  10. Decided - Granted6/2020/3055/COND

    Submission of details pursuant to condition 33 (Construction Traffic Management Plan) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 18 Nov 2020
  11. Decided - Granted6/2022/0801/EM

    Erection of shed in back garden and extension of driveway entrance

    25 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 31 Mar 2022
  12. Decided6/2022/2361/TC

    Beech tree - 40% crown reduction. Branches are becoming entangled with telephone wires. In very strong winds this could well bring down those wires.

    34 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 12 Oct 2022
  13. Decided - Refused6/2021/1025/HOUSE

    Erection of two storey front and side extension; conversion of loft to habitable space; insertion of upper floor window on side elevation; and insertion of rooflights.

    1 Peregrine Way Hatfield AL10 9UP

    Received 29 Mar 2021
  14. Decided - Granted6/2018/0992/TPO

    Fell 1 x Araucaria tree covered by TPO 610 (2017)

    Wyatt House Essendon Place High Road Essendon Hatfield AL9 6GZ

    Received 17 Apr 2018
  15. Decided - Granted6/2020/2299/EMT

    Reduce crown of Prunus Subhirtella Autumnalis by 2m height and 4m diameter

    6 Woodland Rise Welwyn Garden City AL8 7LF

    Received 8 Sept 2020
  16. Decided6/2019/2974/TC

    Re-Pollard T1 Eucalyptus to previous points

    14 Elm Gardens Welwyn Garden City AL8 6RY

    Received 26 Nov 2019
  17. Decided - Granted6/2023/0778/EM

    Erection of a part single, part double storey rear extension, raising of roof to form a parapet to the existing front extension, installation of a traditional canopy above front door, replacement of all existing windows to matching uPVC windows, installation of a car charging point, widening of existing drive way to facilitate parking for two vehicles

    27 High Oaks Road Welwyn Garden City AL8 7BJ

    Received 11 Apr 2023
  18. Decided - Granted6/2023/1204/COND

    Submission of details pursuant of condition 4 (ground contamination) on planning permission 6/2022/0366/VAR.

    Land adjacent to 45 Broadwater Road Welwyn Garden City AL7 3AX

    Received 6 Jun 2023
  19. Decided - Refused6/2018/1694/HOUSE

    Erection of part two storey, part single storey rear and side extensions

    1 The Links Welwyn Garden City AL8 7DS

    Received 26 Jun 2018
  20. Decided - Granted6/2019/1629/HOUSE

    Erection of a single storey side and rear extension and erection of front boundary wall

    29 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 3 Jul 2019
  21. Decided - Granted6/2024/1340/TPO

    TPO260 W1 T1 - Larch Tree - Fell to ground level as these have died and a risk of falling in the road. T2 - Larch Tree - Fell to ground level as these have died and a risk of falling in the road. T3 - Larch Tree - Fell to ground level as these have died and a risk of falling in the road. T4 - Larch Tree - Fell to ground level as these have died and a risk of falling in the road

    53 New Road Digswell AL6 0AQ

    Received 12 Jul 2024
  22. Decided - Granted6/2022/0398/EMT

    Reduce boundary cherrie tree hedge by 40 -50% at rear of property

    22 Uplands Welwyn Garden City AL8 7EW

    Received 21 Feb 2022
  23. Decided - Granted6/2025/0532/HOUSE

    Erection of ground and first floor rear extension and side extension, internal alterations, new fenestration to side elevation and patio

    3 Old Dairy Yard Welwyn Garden City AL7 4BY

    Received 21 Mar 2025
  24. Decided - Granted6/2025/2179/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension following demolition of conservatory

    47 Kingsley Court Welwyn Garden City AL7 4HZ

    Received 14 Oct 2025

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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