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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
21,420Searchable applications
298Recorded as pending
86%Approval rate · 17,320 approved or refused records
2,460Refused applications

14,860 approved · 2,460 refused · 1,099 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2019/2529/EM

    Erection of single storey and part two storey side and rear extension with alterations to openings following demolition of side extension and shed

    31 Marley Road Welwyn Garden City AL7 4BT

    Received 8 Oct 2019
  2. Decided - Split6/2018/2828/COND

    Submission of details pursuant to condition 14 (protection measures from substation), 16 (privacy screens) and 18 (energy sustainability measures and energy saving methods) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 5 Nov 2018
  3. Decided - Granted6/2018/1663/ADV

    Installation of 4x non-illuminated fascia signs, 4x non-illuminated hoardings and 1x non-illuminated digitally printed sign

    Asda Superstore 98 Town Centre Hatfield AL10 0JW

    Received 22 Jun 2018
  4. Decided - Withdrawn6/2023/1866/TPO

    Fell 4 no. oak trees in rear garden to facilitate the installation of solar panels and replace with suitable alternative. Trees covered by TPO 889 (2022)

    63A Peplins Way Hatfield AL9 7UR

    Received 7 Sept 2023
  5. Decided6/2019/0911/TPO

    Fell 3x Leylandii trees( T1, T2 & T3)-Conservation area

    6 Honeycroft Welwyn Garden City AL8 6HR

    Received 15 Apr 2019
  6. Decided - Granted6/2018/2938/EM

    Remove lower epicormic growth of 1 x Oak tree (T1), reduce upper limbs overhanging neighbouring property by up to 2.5m back and remove all major dead wood

    9 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 14 Nov 2018
  7. Decided - Granted6/2023/2054/HOUSE

    Erection of part two storey, part single storey side and rear extensions following demolition of existing conservatory

    65 School Lane Welwyn AL6 9PL

    Received 6 Oct 2023
  8. Decided - Granted6/2018/0116/FULL

    Erection of 1 x 4-bedroom dwelling following demolition of existing dwelling

    68 Mymms Drive Brookmans Park Hatfield AL9 7AD

    Received 12 Jan 2018
  9. Decided - Granted6/2018/3225/EM

    Replacement shed

    1 Great Break Welwyn Garden City AL7 3EZ

    Received 19 Dec 2018
  10. Decided - Granted6/2021/1297/HOUSE

    Erection of single storey front and rear extensions, to include alterations to openings.

    12 Warren Dale Welwyn Garden City AL8 7HN

    Received 22 Apr 2021
  11. Decided6/2020/1739/TC

    Reduce 1 x Cherry tree by around 3-4m height & width by 3m

    3 Tilecroft Welwyn Garden City AL8 7QY

    Received 17 Jun 2020
  12. Decided - Granted6/2022/0446/HOUSE

    Replace garage door with new window

    26 The Gardens Brookmans Park Hertfordshire AL9 7UL

    Received 24 Feb 2022
  13. Decided - Granted6/2020/2081/COND

    Submission of details pursuant to conditions 1 (materials), 2 (windows and doors), and 3 (junctions) on listed building consent 6/2019/2704/LB.

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 18 Aug 2020
  14. Decided - Granted6/2025/2521/HOUSE

    Erection of a detached outbuilding.

    10 Woodland Way Welwyn AL6 0RZ

    Received 4 Dec 2025
  15. Decided - Granted6/2024/0170/EMT

    Willow Tree - pollard back to previous points

    18 Sheepcote Welwyn Garden City AL7 4QD

    Received 29 Jan 2024
  16. Decided - Granted6/2024/0159/HOUSE

    Erection of part two storey & single storey rear extension, proposed front porch & fenestration works

    5 Scotts View Welwyn Garden City AL8 6HF

    Received 29 Jan 2024
  17. Decided - Granted6/2026/0895/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.8m to the eaves following demolition of detached garage

    29 Roe Green Lane Hatfield AL10 0SH

    Received 20 May 2026
  18. Decided - Granted6/2022/1295/FULL

    Erection of single storey extension

    52-54 Dellfield Road Hatfield Hertfordshire AL10 8HP

    Received 1 Jun 2022
  19. Decided - Refused6/2020/1355/LAWE

    Certificate of lawfulness for the existing use of a HMO

    108 Aldykes Hatfield AL10 8EE

    Received 15 Jun 2020
  20. Decided - Refused6/2021/0285/HOUSE

    Erection of first floor rear extension over existing rear extension

    68 Peartree Lane Welwyn Garden City AL7 3UH

    Received 1 Feb 2021
  21. Decided - Granted6/2023/0746/EM

    Installation of solar panels to the roof

    25 Digswell Road, Welwyn Garden City, AL8 7PB

    Received 4 Apr 2023
  22. Decided - Granted6/2017/1744/EM

    Erection of single storey rear extension and porch under existing mono-pitch roof

    5 The Spinney Welwyn Garden City AL7 3AG

    Received 4 Aug 2017
  23. Decided - Granted6/2025/2204/TPO

    Oak tree in rear garden, remove dead wood and 30% of crown TPO 643 (2017)

    18 Marlborough Close Welwyn AL6 0UG

    Received 16 Oct 2025
  24. Decided - Granted6/2022/0277/HOUSE

    Erection of two storey and single storey side extension

    25 Shrublands Brookmans Park Hatfield AL9 7AL

    Received 8 Feb 2022

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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