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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
22,416Searchable applications
295Recorded as pending
86%Approval rate · 18,219 approved or refused records
2,580Refused applications

15,639 approved · 2,580 refused · 1,159 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2026/0731/EM

    New windows and a new front door and a new ground floor french door.

    11 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 24 Apr 2026
  2. Under Consideration6/2026/1529/COND

    Submission of details pursuant to Condition 1 (samples of materials) on planning permission 6/2025/2262/HOUSE

    9 Hill Rise Cuffley Potters Bar EN6 4ED

    Received 2 Sept 2026
  3. Decided - Granted6/2020/0202/COND

    Submission of details pursuant to condition 1 (Landscaping) on application 6/2019/0334/VAR

    30A Upland Drive, Brookmans Park, Hatfield, AL9 6PT

    Received 27 Jan 2020
  4. Decided - Refused6/2019/2718/TPO

    Reduce 1x Oak tree (T2) by 30% Fell 2x Oak tree (T3 and T4)

    27 Shrublands Brookmans Park Hatfield AL9 7AL

    Received 29 Oct 2019
  5. Decided6/2017/1950/TPO

    1 x Magnolia to reduce by 2m height - Conservation Area

    11 Fore Street Hatfield AL9 5AN

    Received 31 Aug 2017
  6. Decided - Granted6/2020/3245/HOUSE

    Erection of a single storey rear extension and rebuild existing garage as habitable space

    36 Hunters Way Welwyn Garden City AL7 4NP

    Received 3 Dec 2020
  7. Decided - Granted6/2017/0419/LAWP

    Certificate of Lawfulness for loft conversion including rear dormer, second floor side window and 2no. front roof lights.

    14 Cattlegate Road, Northaw, Potters Bar, EN6 4DL

    Received 6 Mar 2017
  8. Decided - Granted6/2020/2813/EM

    Erection of a garden shed

    6 Templewood Welwyn Garden City AL8 7HX

    Received 27 Oct 2020
  9. Decided - Granted6/2019/1857/PN8

    Prior approval for the erection single storey rear extension measuring 4.5m depth, 3.2m in height and 3.0m to the eaves

    22 Bishops Rise Hatfield AL10 9HH

    Received 28 Jul 2019
  10. Decided - Granted6/2022/0303/LAWP

    Certificate of lawfulness for 20ft container on school site

    Ridgeway Academy Herns Lane Welwyn Garden City AL7 2AF

    Received 9 Feb 2022
  11. Decided - Granted6/2025/1984/LAWP

    Certificate of lawfulness for erection of a 3m single story rear extension with glass roof and internal alterations

    31 Cherry Croft Welwyn Garden City AL8 7QU

    Received 15 Sept 2025
  12. Decided - Split6/2018/0614/COND

    Submission of details pursuant to condition 1 (material samples) and 2 (tree protection fencing details) on planning permission 6/2017/2873/HOUSE, dated 08/02/2018

    64 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 5 Mar 2018
  13. Decided - Granted6/2022/2772/PN8

    Prior approval for the erection of a single storey rear extension measuring 8m in depth, 4m in height and 3m to the eaves

    4 Reynards Road Welwyn AL6 9TP

    Received 6 Dec 2022
  14. Decided - Withdrawn6/2022/2260/LB

    Installation of three rapid (DC) electric vehicle chargers and associated electrical feeder pillar

    The White Hart 2 Prospect Place Welwyn AL6 9EN

    Received 29 Sept 2022
  15. Decided - Granted6/2024/1292/EMT

    Cherry plum to reduce width by approximately 1.5m (on both sides) This is becoming too large for the space and blocking lots of light to the garden. Thuja to remove to ground level - Becoming too large for the space and its damaging the fence in the garden

    20 Attimore Road Welwyn Garden City AL8 6LW

    Received 8 Jul 2024
  16. Decided - Granted6/2018/2675/HOUSE

    Erection of replacement porch, render front facade and replace double glazed lead style window units

    34 Brookmans Avenue Brookmans Park Hatfield AL9 7QJ

    Received 18 Oct 2018
  17. Decided6/2022/1986/TC

    1 x Cherry plum to remove all branches with green leaf (lower level). Lift remaining to approximately 4m above ground level

    20 Attimore Road Welwyn Garden City AL8 6LW

    Received 25 Aug 2022
  18. Decided - Granted6/2018/1898/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.1m in height, 2.8m to the eaves

    10 Magpie Walk Hatfield AL10 8RF

    Received 17 Jul 2018
  19. Decided - Split6/2018/1633/COND

    Submission of details pursuant to condition 19 (site characterisation, remediation scheme, contamination, monitoring and maintenance) and 20 (accessible and adaptable dwellings) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 20 Jun 2018
  20. Decided - Granted6/2017/2896/FULL

    Change of use of loft space to residential dwelling (Class C3) including the installation of 3 front and 3 rear dormer windows and increase to roof height

    8 Howardsgate Welwyn Garden City AL8 6BQ

    Received 13 Dec 2017
  21. Decided - Refused6/2022/0690/HOUSE

    Erection of a single storey front extension and two storey rear extension, modification to existing side elevation dormer and installation of new ground floor windows

    46 New Road Woolmer Green Hertfordshire SG3 6LB

    Received 23 Mar 2022
  22. Decided - Granted6/2025/1410/EMT

    1 x Beech hedge to reduce outgrown section down to around 3.5m above ground level (in line with the rest of the beech hedge).

    38 Reddings Welwyn Garden City AL8 7LA

    Received 3 Jul 2025
  23. Decided - Granted6/2026/0538/HOUSE

    Erection of single storey rear extension and front lean to porch following the demolition of rear conservatory

    18 Worcester Road Hatfield AL10 0DX

    Received 24 Mar 2026
  24. Decided - Granted6/2024/2306/EM

    Installation of an EV charger on the front of the property

    35 Crossway Welwyn Garden City AL8 7ED

    Received 2 Dec 2024

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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