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
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/0156/EM

    Erection of a single storey rear extension

    8 Vine Close Welwyn Garden City AL8 7PS

    Received 17 Jan 2018
  2. Decided - Refused6/2023/1029/FULL

    Erection of additional upward single storey extension

    43 High Street Welwyn AL6 9EE

    Received 16 May 2023
  3. Decided - Refused6/2022/0049/EMT

    To remove: 1) All bushes / hedges around the front of the property to build fence; and 2) The tree to the left of the front door to allow more space for parking.

    185 Knightsfield Welwyn Garden City AL8 7QG

    Received 10 Jan 2022
  4. Decided - Granted6/2016/2671/TPO

    Reduce weight on Austrian Pine by 25% on two lower large branches (T3)

    9 Hawkshead Road Little Heath Potters Bar EN6 1LZ

    Received 15 Dec 2016
  5. Decided - GrantedN6/2013/2418/S73A

    Variation of condition 2 (approved drawings) of planning permission N6/2013/1351/FP - (Erection of two dwellings and associated garage and landscaping following demolition of existing dwelling) to include the alteration of the approved integral garages to form habitable living accommodation

    62 New Road Digswell Welwyn AL6 0AN

    Received 15 Nov 2013
  6. Decided - Granted6/2022/0065/LAWP

    Certificate of lawfuless for installation of two rear facing dormers

    10 Calder Avenue Brookmans Park AL9 7AQ

    Received 11 Jan 2022
  7. Decided - RefusedS6/2015/0594/HH

    Construction of single storey side extension on each side of dwelling following the demolition of existing garage and two outbuildings

    The Spinney, High Road, Hatfield, AL9 6HT

    Received 23 Mar 2015
  8. Decided - Granted6/2019/2318/COND

    Submission of details pursuant to condition 1 (Materials) on planning permission 6/2019/1284/HOUSE

    7 Melbourne Court Welwyn Garden City Hertfordshire AL8 6LL

    Received 19 Sept 2019
  9. Decided - RefusedN6/2008/0093/FP

    CHANGE OF USE FROM CLASS A1 TO CLASS A2

    38-40 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BJ

    Received 16 Jan 2008
  10. Decided - Granted6/2016/0136/HOUSE

    Erection of part two storey part single storey rear extension and single storey side extension and front porch

    5 Great North Road Welwyn Garden City AL8 7TH

    Received 25 Jan 2016
  11. Decided - Granted6/2018/2319/FULL

    Erection of two storey side and rear extension, installation of dormer window to facilitate loft conversion to habitable space. Creation of self contained 3 bed maisonette extension.

    13 The Gardens Brookmans Park Hatfield AL9 7UL

    Received 10 Sept 2018
  12. Decided - Granted6/2024/0206/HOUSE

    Erection of a single storey rear extension following the demolition of the existing conservatory and fenestration alterations with partial garage conversion

    32 Bradmore Way Brookmans Park Hatfield AL9 7QX

    Received 1 Feb 2024
  13. Decided - Granted6/2017/2447/COND

    Submission of details pursuant to condition 1 (landscaping) 3 (Imported materials) 4 (survey for badgers) 5 (wheel cleaning facilities) dated 29 June 2017

    Woodhurst Farm Cattlegate Road Northaw Enfield EN2 8AU

    Received 24 Oct 2017
  14. Decided - GrantedS6/2014/1273/FP

    Erection of single storey side/rear extension

    47 Bramble Road Hatfield AL10 9RZ

    Received 9 Jun 2014
  15. Decided - GrantedW6/2006/0339/EM

    ERECTION OF SIDE CONSERVATORY

    31 Howicks Green, Welwyn Garden City, AL7 4RJ

    Received 23 Mar 2006
  16. Decided - GrantedW6/2013/0903/TE

    Reduce Silver Birch tree by 20% and reduce Cherry Plum tree by 30%

    122 Sweet Briar, WELWYN GARDEN CITY, AL7 3EA

    Received 2 May 2013
  17. Decided - Granted6/2020/1067/MAJ

    Removal of roof and erection four storey extension, creating 30 x 1 bed flats and 4 x 2 bed flats and alterations to external appearance, provision of cycle parking and bin storage areas and amendments to car parking to provide disabled spaces

    Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX

    Received 13 May 2020
  18. Decided - GrantedN6/2015/0126/FP

    Demolition of existing conservatory and erection of a single storey rear extension

    23A Woodside Road Digswell Welwyn AL6 0DS

    Received 22 Jan 2015
  19. Decided - Granted6/2025/2607/EM

    Replacement of hedge with new Beech hedge

    86 Valley Road Welwyn Garden City AL8 7DP

    Received 22 Dec 2025
  20. Decided - GrantedS6/2015/1402/MAJ

    Separation of Woodfield and Northfield resulting in 2 detached properties, including a two storey side extension at Woodfield, minor external alterations at Northfield and erection of a 1.8m high boundary wall.

    Woodfield Woodfield Lane Brookmans Park Hatfield AL9 6JJ

    Received 24 Jul 2015
  21. Decided - Refused6/2020/2618/FULL

    Erection of two storey rear and side extension, garage conversion and subdivision of existing house to create two self-contained dwellings

    2 Mornington Digswell Welwyn AL6 0AJ

    Received 9 Oct 2020
  22. Decided - GrantedS6/2014/0274/FP

    Erection of single storey front and rear extensions with excavation for below ground basement

    4 Pine Grove, Brookmans Park, Hatfield, AL9 7BS

    Received 4 Feb 2014
  23. Decided - Granted6/2022/1754/FULL

    Erection of a four-bedroom detached dwelling with single storey garage

    Old Maypole House 43 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 26 Jul 2022
  24. Decided - Granted6/2020/0351/LAWP

    Certificate of lawfulness for the erection of a single storey rear following Prior Notification application 6/2019/3187/PN8

    24 Cherry Way Hatfield AL10 8LE

    Received 7 Feb 2020

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