England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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. Appeal Decided - AllowedN6/2009/1682/TP

    REMOVAL OF OAK TREE COVERED BY TPO 49 T1

    63 Carleton Rise Welwyn AL6 9RQ

    Received 4 Aug 2009
  2. Decided - Withdrawn6/2017/0378/LB

    Erection of extension to the Grade II listed Green Man PH as well as refurbishments including provision of a micro-brewery

    Mill Green Mill Green Lane Hatfield AL9 5NQ

    Received 27 Feb 2017
  3. Decided - Granted6/2019/2953/HOUSE

    Erection of a single storey side extension

    67 Eddington Crescent Welwyn Garden City AL7 4SX

    Received 25 Nov 2019
  4. Decided - Granted6/2020/1846/EMT

    Line of Lawson Cypress to reduce by 4m height to match with hedge and prune back 2 subsiding limbs of maple

    49 Marsden Green Welwyn Garden City AL8 6YD

    Received 27 Jul 2020
  5. Decided6/2025/1319/TC

    To reduce all Cypress hedging by 3m to retain a suitable size & shape for gardens

    23 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 24 Jun 2025
  6. Decided - Withdrawn6/2021/3063/VAR

    Variation of conditions 1 (landscaping) and 2 (planting and seeding), on planning permission 6/2021/1508/HOUSE.

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 26 Oct 2021
  7. Decided - Granted6/2025/0096/EM

    Removal of porch & garage due to very poor condition including rotting wood, damaged roof and mould.

    1 Walden Road Welwyn Garden City AL8 7PE

    Received 21 Jan 2025
  8. Decided - GrantedN6/2013/2097/TC

    Reduce Silver Birch tree by 30%

    145 Handside Lane, Welwyn Garden City, AL8 6TA

    Received 19 Sept 2013
  9. Decided - Granted6/2021/2543/EMT

    Fell 2x Conifer trees and replace with a Sambucus nigra porphyrophylla 'Gerda'

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 31 Aug 2021
  10. Decided - Withdrawn6/2020/2328/EMT

    Reduce 1 yew tree by 30% Ref: 6/20/2209/TC

    5 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 10 Sept 2020
  11. Decided - Granted6/2025/1866/HOUSE

    Erection of part single, part two storey rear extension following demolition of existing ground floor extension

    17 Heathcote Avenue Hatfield AL10 0RQ

    Received 2 Sept 2025
  12. Decided - GrantedN6/2006/0143/LU

    CERTIFICATE OF LAWFULNESS FOR USE OF LAND AS RESIDENTIAL GARDEN

    96 Harmer Green Lane Digswell Welwyn AL6 0ES

    Received 2 Feb 2006
  13. Decided - Granted6/2022/1284/FULL

    Internal and external alterations to facilitate the use of the premises as a restaurant, including the installation of an extraction flue to the rear elevation and changes to the façade of the building

    20 Hall Grove Welwyn Garden City Hertfordshire AL7 4PH

    Received 31 May 2022
  14. Decided - Granted6/2025/2242/COND

    Submission of details pursuant to condition number 11 (Landscape and Ecology Management Plan) on planning permission 6/2021/3367/MAJ

    Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN

    Received 23 Oct 2025
  15. Decided - Granted6/2020/1085/COND

    Submission of details pursuant to condition 2 (sample of materials) on planning permission 6/2019/1822/FULL

    22 Dellsome Lane Welham Green Hatfield AL9 7NF

    Received 14 May 2020
  16. Decided - GrantedN6/2013/0985/TC

    Removal of hedgerow

    51 Sherrardspark Road, WELWYN GARDEN CITY, AL8 7LD

    Received 7 May 2013
  17. Decided - GrantedS6/2013/1030/FP

    Erection of single storey rear extension to existing factory

    Falkland Press 148 Great North Road Hatfield AL9 5JN

    Received 9 May 2013
  18. Decided6/2020/1475/TC

    Fell 1 x dead Atlas to 4ft above ground level

    8 Beehive Green Welwyn Garden City AL7 4BE

    Received 16 Jun 2020
  19. Decided - Granted6/2023/1497/HOUSE

    Erection of front porch

    3 Park Road Northaw Potters Bar EN6 4NU

    Received 18 Jul 2023
  20. Decided - GrantedC6/1988/0388/FP

    Erection of covered way to side

    17 Wyton, Welwyn Garden City, AL7 2PE

    Received 1 Jan 1988
  21. Decided - Granted6/2016/1037/EM

    Dismantle Maple tree to ground level and grind stump

    13 Brockswood Lane, Welwyn Garden City, AL8 7BA

    Received 24 May 2016
  22. Decided - GrantedS6/2008/0812/FP

    ERECTION OF SINGLE STOREY SIDE & REAR EXTENSION

    37 Bramble Road Hatfield AL10 9RZ

    Received 23 May 2008
  23. Decided - Granted6/2023/0090/COND

    Submission of details pursuant to condition number 1 (Tree protection plan), on planning permission 6/2022/2105/HOUSE

    1-3 Newgate Street Village Hertford SG13 8RA

    Received 13 Jan 2023
  24. Decided - Granted6/2023/1002/COND

    Submission of details pursuant to condition 21 (asbestos) on planning permission 6/2021/2492/FULL

    Garage site off Hollyfield, Hatfield AL10 8LW

    Received 11 May 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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.

  • 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.

  • 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.

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.

Check collection coverage