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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2018/0361/EM

    Conversion of roofspace to provide 3 x one bed studio flats and erection of a first floor rear extension to provide 1 x one bed studio and 1 x 2 bed flat including alterations to openings

    179 Handside Lane Welwyn Garden City AL8 6TA

    Received 5 Feb 2018
  2. Decided - Granted6/2015/2113/HOUSE

    Conversion of single storey internal garage to living space replacement of garage door with windows and matching brickwork

    14 Lavender Close Hatfield AL10 9FW

    Received 13 Oct 2015
  3. Decided - Granted6/2025/1654/HOUSE

    Erection of a single storey rear & side extension

    11 Crookhams Welwyn Garden City AL7 1PG

    Received 31 Jul 2025
  4. Decided - Granted6/2021/3060/TPO

    Reduction of crown of oak tree by 30%/ up to 4m within TPO area TPO158 to bring it in line with surrounding trees.

    49 Peplins Way Brookmans Park AL9 7UR

    Received 25 Oct 2021
  5. Appeal Decided - DismissedN6/2013/1593/FP

    Erection of two storey rear extension

    10 Rollswood Road Welwyn AL6 9TX

    Received 23 Jul 2013
  6. Decided - Granted6/2018/0427/HOUSE

    Erection of a double storey side extension following demolition of existing garage

    4 High Ridge Cuffley Potters Bar EN6 4JH

    Received 12 Feb 2018
  7. Decided - Granted6/2024/2068/COND

    Submission of details pursuant to condition 2 (extractor fan) on listed building consent 6/2024/1248/LB

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 25 Oct 2024
  8. Decided - Granted6/2022/1116/COND

    Submission of details pursuant to Condition 2 (details of secure cycle parking) on planning permission 6/2021/2968/FULL

    22 High Dells Hatfield Hertfordshire AL10 9HU

    Received 16 May 2022
  9. Decided - Granted6/2021/2311/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension

    7 Meadow Croft Hatfield AL10 0SG

    Received 3 Aug 2021
  10. Decided - Granted6/2020/2966/EM

    Resurfacing of cracked garage driveway with block paving.

    20 Coneydale Welwyn Garden City AL8 7RZ

    Received 11 Nov 2020
  11. Decided - GrantedS6/2004/0388/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    Rowan Cottage 9 Potterells Station Road Welham Green Hatfield AL9 7SL

    Received 16 Mar 2004
  12. Decided - GrantedN6/2014/0435/FP

    Erection of single storey rear extension

    27 The Avenue Welwyn AL6 0PW

    Received 27 Feb 2014
  13. Decided - GrantedS6/2008/1092/AD

    INSTALLATION OF NON-ILLUMINATED FASCIA SIGN

    UNIVERSITY OF HERTFORDSHIRE, COLLEGE LANE, HATFIELD, HERTFORDSHIRE, AL10 9PN

    Received 2 Jul 2008
  14. Decided - Granted6/2023/2477/FULL

    Installation of a Daikin RXM50R external AC unit in the carport below Flat 8 Birkin Court

    8 Birkin Court Welwyn Garden City AL7 3FA

    Received 12 Dec 2023
  15. Decided - Granted6/2025/2005/EMT

    1 x Oak to reduce lateral branches over the roof of No.43 and the garden of No.41 by approx 3m. Reduce remaining lateral branches by approx 2m

    43 Woodhall Lane Welwyn Garden City AL7 3TB

    Received 17 Sept 2025
  16. Decided - Granted6/2024/0290/LB

    Proposed internal and external refurbishments including, reposition existing timber front door, new infill extension with external black stained timber cladding to tie-in and match existing, new timber frame double glazed windows/doors, convert store/garage to art studio, new rooflight to match existing, enlarge opening with new timber frame double glazed door and associated landscaping works

    57 The Ryde Hatfield AL9 5DQ

    Received 12 Feb 2024
  17. Decided - Granted6/2018/1447/HOUSE

    Erection of single storey rear extension, replacement of existing roof on side extension / garage following demolition of existing conservatory

    82 Brocket Road Welwyn Garden City AL8 7TU

    Received 31 May 2018
  18. Decided - Granted6/2025/1183/HOUSE

    Loft conversion including two dormer windows and 4 skylights and removal of chimney stack

    15 Carbone Hill Northaw Potters Bar EN6 4PJ

    Received 13 Jun 2025
  19. Decided - RefusedN6/2009/1745/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION AND ALTERATIONS INCLUDING ACCESS RAMP, ROOFLIGHTS, TWO SOLAR PANELS AND ALTERATION TO EXISTING FENESTRATION

    THE SURGERY, 20 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HG

    Received 11 Aug 2009
  20. Decided - Granted6/2020/1792/EM

    Erection of bin store to front

    6 Russellcroft Road Welwyn Garden City AL8 6QT

    Received 21 Jul 2020
  21. Decided - Withdrawn6/2020/0781/MAJ

    Removal of roof and erection three storey extension, creating 21 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 25 Mar 2020
  22. Decided - Granted6/2019/2629/EM

    Reduce 1 x leylandii tree by 4.4m

    14 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 21 Oct 2019
  23. Decided - GrantedS6/2014/1097/FP

    Erection of two 2 bedroom dwellings following the demolition of existing garages

    Garages at Wood Close, Hatfield, AL10 8TX

    Received 16 May 2014
  24. Decided - Withdrawn6/2015/2288/HOUSE

    Renovation of existing bungalow to accommodate a new driveway access to development site to the rear.

    19 Woodland Way Welwyn AL6 0RX

    Received 10 Nov 2015

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

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How to search planning applications

Guides to planning records

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    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