PlanningTrack
Get started

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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2006/0578/EM

    REMOVAL OF GARAGE DOOR AND REPLACE WITH WINDOW

    7 The Old Drive, Welwyn Garden City, AL8 6TB

    Received 3 May 2006
  2. Decided - GrantedW6/2015/0547/TE

    Reduce and shape Holly tree by 30%

    26 Longcroft Lane, Welwyn Garden City, AL8 6EA

    Received 16 Mar 2015
  3. Decided - Granted6/2015/2146/HOUSE

    Erection of single storey rear extension

    11 North Ride Welwyn AL6 9RD

    Received 20 Oct 2015
  4. Decided6/2025/1063/TC

    Crown reduce 2 x Oak trees by approx. 2-3m Remove any major deadwood Crown thin 15%

    29 Mandeville Rise Welwyn Garden City AL8 7JT

    Received 5 Jun 2025
  5. Decided6/2022/1830/TC

    T1-Silver Birch-Fell to ground level as it has outgrown its position and there is a new fence being installed.

    6 Pentley Park Welwyn Garden City AL8 7RU

    Received 4 Aug 2022
  6. Decided - GrantedS6/2006/0199/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    48 Daffodil Close Hatfield AL10 9FF

    Received 15 Feb 2006
  7. Decided6/2026/1727/TC

    Fell Birch Tree (5 day notice)

    The Manor House Essendon Hill Essendon Hatfield AL9 6AJ

    Received 30 Sept 2026
  8. Decided - Granted6/2022/2764/EMT

    Fell 1 x pine tree to ground level & grind stump.

    157 Handside Lane Welwyn Garden City AL8 6TA

    Received 6 Dec 2022
  9. Decided - GrantedN6/2009/1270/TE

    REDUCE PLUM TREE CROWN BY 30%

    LAND ADJACANT TO, 8 MARSDEN GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YA

    Received 24 Jun 2009
  10. Decided - Granted6/2016/2132/HOUSE

    Conversion of garage to habitable room involving creation of ground floor front window

    37 Tiger Moth Way, Hatfield, AL10 9LT

    Received 11 Oct 2016
  11. Decided - Split6/2021/1251/COND

    Submission of details pursuant to condition numbers 1 (remediation scheme, contamination report, long term monitoring and maintenance), 2 (sample materials), 3 (water drainage), 4 (landscape works), 5 (noise protection) and 6 (bins and recycling) on planning permission 6/2020/1801/FULL.

    Green Close Brookmans Park AL9 7ST

    Received 19 Apr 2021
  12. Decided - Granted6/2024/0853/PN14

    Prior approval for the demolition of existing building

    13 Wellfield Road Hatfield AL10 0BS

    Received 7 May 2024
  13. Decided - Granted6/2019/0115/HOUSE

    Alterations to the front garden, existing driveway and garage including installation of electric driveway gate and new crossover

    24 Great North Road Welwyn AL6 0PS

    Received 22 Jan 2019
  14. Decided - Granted6/2022/0044/EMT

    Removal of Ash tree and Pine tree in rear garden and replace with mountain ash

    5 Salisbury Road Welwyn Garden City AL7 3RR

    Received 7 Jan 2022
  15. Decided - Granted6/2016/1572/TPO

    Removal of Robinia tree from rear garden - Conservation Area

    17 Dellcott Close, Welwyn Garden City, AL8 7BB

    Received 1 Aug 2016
  16. Decided - GrantedN6/2004/0138/FP

    ERECTION OF REAR CONSERVATORY

    1 Peace Grove Welwyn AL6 0RS

    Received 29 Jan 2004
  17. Decided - GrantedS6/2009/0141/FP

    ERECTION OF REAR EXTENSION TO EXISTING WAREHOUSE AND HYDRAULIC CAR STACKING SYSTEM TO PROVIDE PARKING FOR SIX VEHICLES

    154 Great North Road Hatfield AL9 5JN

    Received 21 Jan 2009
  18. Decided - Granted6/2017/0626/COND

    Submission of details pursuant to condition 1 (Materials) attached to planning permission 6/2016/2354/HOUSE dated 9 January 2017

    2 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 27 Mar 2017
  19. Decided - RefusedS6/2013/2682/FP

    Erection of first floor side and two storey rear extension

    34 Tolmers Avenue, Cuffley, EN6 4PA

    Received 13 Dec 2013
  20. Decided - RefusedN6/2007/0752/FP

    ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION

    12 Stuart Road Welwyn AL6 9JN

    Received 15 May 2007
  21. Decided - GrantedS6/2007/0716/LB

    RE-INSTATEMENT OF SINGLE DWELLING INTO TWO DWELLINGS

    6-10 Fore Street Hatfield AL9 5AH

    Received 9 May 2007
  22. Decided - GrantedS6/2015/0446/LB

    Erection of a two storey rear extension, alterations and landscaping

    Hill House Wild Hill Hatfield AL9 6EB

    Received 4 Mar 2015
  23. DecidedN6/2008/1901/TC

    WORKS TO MALUS TREE.

    LAND ADJACENT TO 17 BIRDCROFT ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 9 Oct 2008
  24. Appeal Decided - Dismissed6/2017/2810/VAR

    Removal of condition 5 (demolition of all existing structures) on planning permission 6/2016/0890/FULL dated 05/09/16

    West End Farm West End Lane Essendon Hatfield AL9 6AZ

    Received 30 Nov 2017

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

View all applications

Applications by postcode area

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    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.

Check collection coverage

More planning authorities in England

Browse all authorities