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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 2 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 Counts reflect the last collected status; some records may be out of date.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. Decided - Granted6/2018/2877/EM

    Installation of solar panels on rear garage roof

    55 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 8 Nov 2018
  2. Decided - GrantedW6/2013/0358/EM

    Erection of detached house and integral garage and construction of new driveway

    The Barnhouse Digswell Lane Welwyn AL6 0SP

    Received 14 Feb 2013
  3. DecidedS6/2014/2386/TN

    Notification of intention to upgrade existing telecommunications installation consiting of 3 new antennas adjacent to 3 existing antennas and 2 equipment cabinets

    Harrier House, St Albans Road East, Hatfield, AL10 0HE

    Received 28 Oct 2014
  4. Decided - WithdrawnS6/2014/0848/FP

    Change of use of ground floor shop from A1 (retail) to A3 (restaurant/cafe). Erection of single storey rear extension following demolition of existing single storey rear addition and canopy

    7 Manor Parade, Hatfield, AL10 9JS

    Received 14 Apr 2014
  5. Decided - Granted6/2017/1494/EM

    Erection of a single storey rear extension

    248 Daniells Welwyn Garden City AL7 1QE

    Received 10 Jul 2017
  6. Decided - Granted6/2022/2000/EMT

    Fell Magnolia (T1) currently over 4 metres tall causing excessive shade and low amenity value. Replace with dwarf Magnolia .

    3 Newfields Welwyn Garden City AL8 6YS

    Received 30 Aug 2022
  7. DecidedN6/2015/0517/CD

    Notice of Decision and Order made for recording of a footpath

    Mornington and New Road Digswell Welwyn AL6 0AJ

    Received 9 Mar 2015
  8. Decided - Granted6/2017/1870/HOUSE

    Erection of a single storey side extension

    63 Wildhill Road Brookmans Park Hatfield AL9 6EA

    Received 22 Aug 2017
  9. Decided - Granted6/2015/2067/FULL

    Erection of cattle shed

    Land west of Orchard Road, Tewin, AL6 0HN

    Received 1 Sept 2015
  10. Decided - GrantedS6/2007/1006/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION AND FRONT PORCH.

    28 Bradgate Cuffley Potters Bar EN6 4RL

    Received 3 Jul 2007
  11. Decided6/2023/0274/TC

    T1 - 1 x Field maple (tree nearest house) to reduce by approximately 3m in height and 3m in width - Grown out reduction, too close to property and to maintain size T2 - 1 x Field maple to reduce by approximately 2m in height and 2m in width. Remove hanging branch. Grown out reduction with thick dense crown. To maintain size G1 - Line of leyland Cypress to reduce to previous pruning points (approximately 4m above ground level) - Outgrown Leyland Cypress hedges to reduce back to a more compact size G1 - 2 x Leyland cypress to reduce to approximately 4m above ground level Outgrown Leyland Cypress hedges to reduce back to a more compact size T3 - 1 x Weeping willow to dismantle in sections to ground level, to grind out stump to approximately 200 below existing ground level. Poor form, heavy lean causing mess and a nuisance to neighbour.

    6 The Orchard Welwyn Garden City AL8 7PL

    Received 6 Feb 2023
  12. Decided - GrantedN6/2013/1460/LB

    Erection of single storey rear extension incorporating french doors

    15 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 10 Jul 2013
  13. Decided - RefusedN6/2005/1570/FP

    ERECTION OF TWO STOREY SIDE AND SINGLE STOREY REAR EXTENSION

    78 Pentley Park Welwyn Garden City AL8 7SG

    Received 20 Dec 2005
  14. Decided - Withdrawn6/2021/2628/VAR

    Variation of condition 18 (drawing numbers) on planning permission 6/2020/2526/MAJ

    Land West of Learning Resource Centre University Of Hertfordshire College Lane Hatfield AL10 9AB

    Received 9 Sept 2021
  15. Decided - WithdrawnN6/2010/0309/TE

    REDUCE HEIGHT OF TWO LEYLANDII TREES BY ONE THIRD

    5 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 16 Feb 2010
  16. Decided - GrantedW6/2009/0088/EM

    ERECTION OF SEVEN PORTABLE BOARDING PENS IN REAR GARDEN FOR THE PURPOSE OF RUNNING A BUSINESS

    23 LONGCROFT LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EB

    Received 15 Jan 2009
  17. Decided - Granted6/2025/1945/HOUSE

    Erection of a single front garage roof extension

    47 Elm Gardens Welwyn Garden City AL8 6RX

    Received 10 Sept 2025
  18. Decided - Refused6/2016/2366/HOUSE

    Erection of two storey side extension with installation of dormers to existing front, rear and side elevations

    1B Heath Road Welwyn AL6 0TP

    Received 9 Nov 2016
  19. Decided - RefusedS6/2006/0481/FP

    ERECTION OF TWO BEDROOM DETACHED DWELLING WITH INTEGRAL GARAGE

    50 Lockley Crescent Hatfield AL10 0TP

    Received 10 Apr 2006
  20. Decided - GrantedW6/2014/0016/TE

    Removal of hawthorn tree

    85 Handside Lane, Welwyn Garden City, AL8 6SH

    Received 9 Jan 2014
  21. Decided - Granted6/2017/2037/EM

    1 x Sycamore to fell to ground level and replant with a Silver Birch

    179 Parkway Welwyn Garden City AL8 6JA

    Received 12 Sept 2017
  22. Decided - Granted6/2018/1816/HOUSE

    Erection of a single storey rear extension, replacement of existing chimney with false fibre glass chimney and alterations to openings on existing front elevations

    216 Howlands Welwyn Garden City AL7 4HF

    Received 10 Jul 2018
  23. Decided - Granted6/2025/0877/HOUSE

    Erection of a two storey side/front extension and part single/two storey rear extension and front porch and block paving to the front of the site, following the demolition of existing garage.

    20 Canonsfield Welwyn AL6 0QD

    Received 13 May 2025
  24. Decided - Granted6/2017/0847/EM

    Erection of single storey side extension

    54 Attimore Road Welwyn Garden City AL8 6LP

    Received 20 Apr 2017

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

View all applications

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.

  • 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