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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
22,686Searchable applications
313Recorded as pending
86%Approval rate · 18,441 approved or refused records
2,598Refused applications

15,843 approved · 2,598 refused · 1,176 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2025/1649/TC

    T1 - Crab apple to remove to ground level, tree is in poor condition with decay in basal area T2 - Lime to re - pollard (approx 3-4m) to maintain pruning framework T3 - Lime to re - pollard (approx 3-4m) to maintain pruning framework T4 - Whitebeam to reduce to approx 1m below previous pruning points due to. large area of stem decay and crack in union. T5 - Perisian ironwood to reduce by 1m to retain a more compact crown T6 - 1 x Box tree to reduce width 0.5 to prevent encroachment towards the property T7 - 1 x Japanese maple to reduce width by 1m to prevent encroachment towards the property.

    6 Dognell Green Welwyn Garden City AL8 7BL

    Received 31 Jul 2025
  2. Decided - Granted6/2024/0535/EM

    Erection of single storey and first floor side and rear extensions following demolition of existing, new side timber fence and removal of trees in rear garden

    14 Broadfield Place Welwyn Garden City AL8 6LJ

    Received 19 Mar 2024
  3. Decided - Granted6/2018/1283/LAWP

    Certificate of lawfulness for the partial demolition of existing single storey rear extension and replacement with full width single storey rear extension of the same depth

    2 Drovers Way Hatfield AL10 0PX

    Received 15 May 2018
  4. Decided - Granted6/2024/0033/EMT

    T1 Fir Fell dead tree T2 Bay Reduce height by 4-5m and general maintenance of tree as overhanging neighbours garden T3 Holly Reduce height by 3-4m and general maintenance of tree as overhanging neighbours garden

    24 Fearnley Road Welwyn Garden City AL8 6HW

    Received 4 Jan 2024
  5. Decided - Granted6/2017/1793/HOUSE

    Erection of a front porch infill extension and installation of front window to facilitate garage conversion

    4 Gresley Close Welwyn Garden City AL8 7QB

    Received 15 Aug 2017
  6. Decided - Refused6/2018/3071/HOUSE

    Erection of ancillary outbuilding

    1-2 Hill Farm Cottage Hill Farm Lane Welwyn AL6 9BN

    Received 3 Dec 2018
  7. Decided - Withdrawn6/2022/1049/HOUSE

    Installation of 2 concrete piers finished in render to support black metal rail.

    51 New Road Digswell Welwyn AL6 0AQ

    Received 5 May 2022
  8. Decided - Granted6/2017/0074/LAWP

    Certificate of lawfulness for the conversion of garage to habitable space

    17 Selwyn Crescent Hatfield AL10 9NL

    Received 16 Jan 2017
  9. Decided - Refused6/2019/0395/COND

    Submission of details pursuant to condition 6 (Archaeological Written Scheme)on planning application 6/2017/0848/MAJ

    Entech House London Road Woolmer Green SG3 6JE

    Received 20 Feb 2019
  10. Decided - Granted6/2017/0277/MAJ

    Installation of six automatic number plate recognition (ANPR) cameras

    Tesco Stores Ltd Great North Road Hatfield AL9 5JY

    Received 14 Feb 2017
  11. Decided - Granted6/2021/3210/PN27

    Prior approval for the installation of an addition of one storey to single storey dwellinghouse

    20 Reynards Road Welwyn AL6 9TP

    Received 9 Nov 2021
  12. Decided - Granted6/2020/0592/VAR

    Variation of condition 10 (approved plans) on planning permission 6/2019/2313/FULL

    101 Brookmans Avenue, Brookmans Park, AL9 7QG

    Received 2 Mar 2020
  13. Decided - Granted6/2025/1523/LAWE

    Certificate of Lawfulness for use of land as a caravan site

    Two Caravans Foxes Lane Welham Green Hertfordshire AL9 7BA

    Received 16 Jul 2025
  14. Decided - Granted6/2017/0904/HOUSE

    Extension of existing dormer window to side elevation

    22 Kingswell Ride, Cuffley, Potters Bar, EN6 4LH

    Received 2 May 2017
  15. Decided - Withdrawn6/2018/1527/HOUSE

    Erection of single storey extension to outbuilding to facilitate installation of indoor swimming pool

    Ayot Montfitchet Ayot St Peter Road Ayot St Peter Welwyn AL6 9BH

    Received 6 Jun 2018
  16. Decided - Granted6/2021/2137/EMH

    Erection of single storey rear extension

    49 The Wade Welwyn Garden City AL7 4LG

    Received 14 Jul 2021
  17. Decided - Granted6/2022/2837/COND

    Submission of details pursuant to condition 2 (electrical charging points) on planning permission 6/2021/2991/FULL

    22 Parkway Welwyn Garden City AL8 6HG

    Received 15 Dec 2022
  18. Decided - Granted6/2016/2471/EM

    Reduce Liquid Amber tree by 2m and prune branches by upto 1m

    19 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 21 Nov 2016
  19. Decided - Granted6/2022/0894/HOUSE

    Erection of ground floor front infill extensions, alterations to the roof to form a gable end with an increase in ridge height and front and rear dormers, and front porch with a pitched roof

    6 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 14 Apr 2022
  20. Decided6/2022/1794/TC

    1 x Hawthorn to reduce by 2.5m in height,lift lower branches to clear hedge by 1m

    5 High Grove Welwyn Garden City Hertfordshire AL8 7DW

    Received 1 Aug 2022
  21. Decided - Granted6/2021/3117/EMT

    T1 - To fell and replace a silver birch tree in front garden, due to severe die-back in crown, the tree has dead branches and very poor leaf coverage which keep falling.

    138 Parkway, Welwyn Garden City, AL8 6HP

    Received 1 Nov 2021
  22. Decided - Granted6/2017/0010/ADV

    Installation of 3 part illuminated Wickes building signs, 1 welcome sign, 1 directional post sign, 1 set of 2 poster frames and 6 sets of product letter.

    11 Bessemer Road Welwyn Garden City AL7 1GF

    Received 4 Jan 2017
  23. Decided - Granted6/2019/2885/FULL

    Change of use from A1 (shop) to Sui-Generis (nail bar/beauty salon)

    40 Wigmores North Welwyn Garden City AL8 6PH

    Received 18 Nov 2019
  24. Decided - Granted6/2022/2714/HOUSE

    Erection of outbuilding in rear garden

    10 Park Street Hatfield AL9 5AX

    Received 30 Nov 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

  • 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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