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
36,848Searchable applications
335Recorded as pending
86%Approval rate · 30,703 approved or refused records
4,227Refused applications

26,476 approved · 4,227 refused · 1,980 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 25 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/0067/COND

    Submission of details pursuant to condition 16 (Plant Noise Assessment) on planning submission 6/2023/1898/FULL

    58 Harmer Green Lane Digswell Welwyn AL6 0AW

    Received 15 Jan 2026
  2. Decided - GrantedW6/2013/1924/EM

    Demolish existing garage and erection of single storey side extension

    1 Fordwich Road, Welwyn Garden City, AL8 6EX

    Received 5 Sept 2013
  3. Decided - GrantedN6/2014/1157/FP

    Erection of single storey side extension

    55 Longcroft Lane, Welwyn Garden City, AL8 6EB

    Received 22 May 2014
  4. Decided - GrantedS6/2013/0328/FP

    Garage conversion, front canopy, first floor rear extension and raising of main roof to accommodate loft conversion

    28 Mymms Drive, Brookmans Park, HATFIELD, AL9 7AF

    Received 12 Feb 2013
  5. Decided6/2024/0087/TC

    T1 beech - trim back branches from tennis court side only of the tree by up to 1m from branch tips. T2 sycamore - trim back branches from tennis court side of tree only by up to 1m from branch tips. T3 - sycamore - trim back branches from tennis court side of tree only by up to 1m from branch tips. G1 - laurel and western red cedar. Fell as roots are causing damage to the tennis court.

    Dellcott Tennis Club Dognell Green Welwyn Garden City AL8 7BL

    Received 12 Jan 2024
  6. Decided - GrantedN6/2015/1284/TC

    Reduce Robinia tree by 30%

    34 Valley Road, Welwyn Garden City, AL8 7DN

    Received 17 Jun 2015
  7. Decided - GrantedC6/1987/0602/FP

    Single storey front and side extension with side covered area

    19 Reddings, Welwyn Garden City, AL8 7LA

    Received 1 Jan 1987
  8. Decided - Granted6/2018/1602/HOUSE

    Erection of a single storey side and rear extension, following demolition of existing garage and side room

    1 Colgrove Welwyn Garden City AL8 6HY

    Received 15 Jun 2018
  9. Decided - Granted6/2015/1643/ADV

    Installation of 1no non-illuminated projecting sign and 2 no signwritten fascia signs

    52--56 Howardsgate Welwyn Garden City AL8 6BP

    Received 4 Aug 2015
  10. Appeal Decided - Dismissed6/2016/1094/FULL

    Provision of car parks

    Friday Grove Farm, Hawkshead Lane, North Mymms, Hatfield, AL9 7TF

    Received 30 Jun 2016
  11. Decided - Refused6/2021/0238/COND

    Submission of details pursuant to condition 1 (sample materials) and 2 (roof details) on planning permission 6/2019/1367/HOUSE

    62 Brookmans Avenue, Brookmans Park, Hatfield AL9 7QQ

    Received 26 Jan 2021
  12. Decided - Granted6/2022/2105/HOUSE

    Erection of single storey rear extension, amendments to rear elevation fenestration and creation of a steel-framed veranda/balcony

    1-3 Newgate Street Village Hertford Hertfordshire SG13 8RA

    Received 9 Sept 2022
  13. Decided6/2022/0053/TC

    T1 - Rowan to front of property. Fell due to proximity of tree to the house - less than one metre. T2 - Lawson Cypress to rear of property against fencing to right (viewed from house). Fell due to close proximity to neighbouring Willow tree with both causing excessive shading in summer and dead leaf / branch fall causing damage to lawn. T3 - Hawthorn to rear area of garden. Fell due to excessive shading and leaf / seed fall. One tree will be replanted to the front with less foliage / width / shading - species to be advised. One tree will be replanted to garden, possibly fruit bearing with controlled growth - species to be advised.

    20 Sheepcote Welwyn Garden City AL7 4QD

    Received 10 Jan 2022
  14. Decided - GrantedN6/2008/0986/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    15 MOOREND, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4QL

    Received 26 Jun 2008
  15. Decided - Granted6/2019/1160/PN8

    Prior approval for erection of single storey rear extension measuring 6m in depth, 3m in height and 2.8m to the eaves

    10 Briars Close Hatfield AL10 8DQ

    Received 7 May 2019
  16. Decided6/2023/1502/TC

    T12- Oak- Crown reduce all round by 2-3 metres to maintain size and shape

    Applecroft Primary School Applecroft Road Welwyn Garden City AL8 6JZ

    Received 18 Jul 2023
  17. Decided - GrantedS6/2014/1272/LUP

    Certificate of lawfulness for proposed pitched roof on rear extension

    42 St Albans Road East, Hatfield, AL10 0EH

    Received 9 Jun 2014
  18. Decided - Refused6/2022/2914/FULL

    Retention of a temporary management office to the rear of the property for a period of 12 months

    5 West View Hatfield AL10 0PJ

    Received 29 Dec 2022
  19. Decided - GrantedN6/2009/2755/FP

    INSTALLATION OF NEW "THROUGH THE GLASS" ATM TO THE FRONT ELEVATION

    14 High Street Welwyn AL6 9EQ

    Received 23 Dec 2009
  20. Decided - Granted6/2019/1653/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 2.7m in height and 2.4m to the eaves

    109 Salisbury Road Welwyn Garden City AL7 3RY

    Received 3 Jul 2019
  21. Decided - Granted6/2020/3056/HOUSE

    Erection of a single storey front extension

    33 Holme Road Hatfield AL10 9LH

    Received 18 Nov 2020
  22. Decided - Refused6/2019/0574/EM

    Erection of part single, part two storey rear and side extension and paving to front garden to provide 2 parking spaces

    50 Marley Road Welwyn Garden City AL7 4BS

    Received 12 Mar 2019
  23. Decided - GrantedN6/2009/2472/TC

    THIN CROWN OF HORNBEAM TREE BY 25%, LIFT CROWN UPTO 4 METRES AND REMOVE IVY

    7 THE QUADRANGLE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6SG

    Received 19 Nov 2009
  24. Decided - Refused6/2023/2285/FULL

    Retention of change of use from HMO to C2 dwelling

    61 Tiger Moth Way Hatfield AL10 9LT

    Received 13 Nov 2023

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

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