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28,874 approved · 4,802 refused · 2,208 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/3026/HOUSE

    Erection of a single storey side/rear extension to include insertion of 4 x roof lights involving demolition of existing garage

    20 Beehive Green Welwyn Garden City AL7 4BG

    Received 21 Oct 2021
  2. Appeal Decided - Dismissed6/2015/1762/HOUSE

    Erection of extension to existing single storey orangery

    14 The Courtyard, Bedwell Park, Cucumber Lane, Essendon, Hatfield, AL9 6GH

    Received 19 Aug 2015
  3. Decided - GrantedN6/2006/0230/FP

    FIRST FLOOR REAR EXTENSION

    69 Valley Road Welwyn Garden City AL8 7DR

    Received 23 Feb 2006
  4. Decided - GrantedS6/2015/0489/FP

    Erection of two detached dwellings comprising of 2no. four bedroom following demolition of existing dwelling

    65 Georges Wood Road, Hatfield, AL9 7BX

    Received 3 Mar 2015
  5. Under Consideration6/2026/1697/EM

    Removal of front hedgerow and replace with planted flowers

    74 Valley Road Welwyn Garden City AL8 7DP

    Received 25 Sept 2026
  6. Decided - GrantedS6/2014/2482/FP

    Erection of single storey rear extension, front porch and canopy roof

    37 Calder Avenue, Brookmans Park, Hatfield, AL9 7AH

    Received 13 Nov 2014
  7. Decided - Granted6/2024/2192/PN8

    Prior approval for the erection of a single storey rear extension measuring 7m in depth, 3m in height and 2.6m to the eaves

    43 St Albans Road East Hatfield AL10 0EJ

    Received 13 Nov 2024
  8. Decided - Granted6/2018/0742/HOUSE

    Raise and realign roof height and installation of 2 rear rooflights

    1 Russellcroft Road Welwyn Garden City AL8 6QN

    Received 20 Mar 2018
  9. Decided - Refused6/2022/0229/PN8

    Prior approval for the erection of a single storey rear extension 5.3m in depth, 3m to the eaves and 3m in height

    14A Park Road Northaw Potters Bar EN6 4NU

    Received 1 Feb 2022
  10. Decided - Granted6/2019/0800/EM

    Formation of a single step outside front door

    60 Bridge Road Welwyn Garden City AL8 6UR

    Received 3 Apr 2019
  11. Decided - Granted6/2019/3252/FULL

    Erection of 'click and collect' customer collection pod and 11 bollards

    Land adjacent Tesco Stores Heart Falcon Way Shire Park Welwyn Garden City AL7 1TW

    Received 30 Dec 2019
  12. Decided - Granted6/2025/0487/HOUSE

    Erection of a two storey side and single storey rear/side extension

    4 Broomfield Road Welwyn AL6 9DW

    Received 17 Mar 2025
  13. Decided - GrantedS6/2009/1391/S73A

    REMOVAL OF PLANNING CONDITION 3 (REDUCTION OF HOARDING HEIGHT) OF PLANNING PERMISSION NOTICE S6/2009/180/FP

    LAND AT, GREEN CLOSE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7ST

    Received 10 Jun 2009
  14. Decided - GrantedS6/2009/2270/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    45 PEPLINS WAY, BROOKMANS PARK, HATFIELD, HERTFORDS, AL9 7UR

    Received 13 Oct 2009
  15. Decided - GrantedN6/2007/0268/FP

    ERECTION OF NEW GARAGE FOLLOWING DEMOLITION OF EXISTING GARAGE AND SINGLE STOREY REAR/SIDE EXTENSION AND REAR CONSERVATORY.

    6 Guessens Walk Welwyn Garden City AL8 6QS

    Received 19 Feb 2007
  16. Decided - Granted6/2021/0672/PN8

    Prior approval for the removal of existing rear extension and construction of single storey rear extension with 2 x roof lights measuring 4.50m in depth, 3.20m in height and 3.00m to the eaves.

    60 Cherry Way Hatfield AL10 8LE

    Received 1 Mar 2021
  17. Decided - Granted6/2021/2379/EMH

    Alterations to fenestrations and removal of chimney

    61 Parkway Welwyn Garden City AL8 6JF

    Received 11 Aug 2021
  18. Decided - Granted6/2016/2618/TPO

    Willow - Reduce crown by 25% and pollard back plus remove dead wood and Ivy and remove lower branch - Conservation Area

    The Allotments Lockleys Drive Welwyn AL6 9NT

    Received 8 Dec 2016
  19. Decided - Granted6/2017/2723/COND

    Submission of details pursuant to condition 1 (materials) pursuant to planning permission: 6/2017/1003/VAR

    The View Carbone Hill Northaw Hertford SG13 8RG

    Received 22 Nov 2017
  20. Decided - GrantedN6/2015/0833/FP

    Proposed replacement windows

    The Stanborough Stanborough Road Welwyn Garden City AL8 6DQ

    Received 16 Apr 2015
  21. Decided - Granted6/2025/1339/EMT

    T1 1x Scott's Pine to reduce by approx 2.5m height and 1.5m width

    56 Valley Road Welwyn Garden City AL8 7DN

    Received 26 Jun 2025
  22. Decided - GrantedN6/2014/0240/FP

    Erection of timber pergola to existing house and garden room to garage

    85 Pentley Park, Welwyn Garden City, AL8 7SL

    Received 30 Jan 2014
  23. Decided - WithdrawnS6/2014/1314/S73A

    Variation of condition 2 (agricultural occupancy) of planning permission S6/1987/0013/FP

    Park Farm Northaw Road West Northaw Potters Bar EN6 4NT

    Received 2 Jun 2014
  24. Decided6/2017/2489/COND

    Confirmation that conditions have been complied with - S6/2005/1103/FP

    Comet Square, Hatfield District Centre, Hatfield, Hertfordshire, AL10 9TF - Hatfield Care Home

    Received 27 Oct 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