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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
36,379Searchable applications
333Recorded as pending
86%Approval rate · 30,304 approved or refused records
4,138Refused applications

26,166 approved · 4,138 refused · 1,938 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 24 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Granted6/2024/1317/EM

    Erection of a single storey side extension

    8 Little Wade Welwyn Garden City AL7 4LE

    Received 10 Jul 2024
  2. Decided6/2026/1439/TC

    Remove several mature cherry laurels (approximately 10 metres in height), multiple self-seeded hazel stems and one mature holly from the overgrown area at the rear of the garden Prune the existing plum tree by reducing and reshaping the canopy to remove overcrowded growth and split branches, maintain its health, improve its form and prevent further split branches Prune the existing smoke tree by reducing and reshaping the canopy to maintain its health, appearance and manageable size Prune the existing curly hazel tree by reducing and reshaping the canopy to maintain its health, appearance and manageable size Following the tree works, the cleared area will be landscaped as a domestic garden with lawn and flower beds. The existing laburnum, curly hazel, plum tree and smoke tree will be retained

    5 Brockett Close Welwyn Garden City AL8 7BN

    Received 17 Aug 2026
  3. Decided6/2021/0085/TC

    Fell 8 x Leylandii Conifers, 4 x Conifer varieties and 1 x plum tree.

    68 Attimore Road Welwyn Garden City AL8 6LP

    Received 12 Jan 2021
  4. Decided - Granted6/2021/0287/FULL

    Erection of timber posts with lighting, alterations to existing pergola roof, installation of planter troughs to replace existing gate and erection of close board fenced gate and posts.

    Eight Bells 2 Park Street Hatfield AL9 5AX

    Received 1 Feb 2021
  5. Decided - Granted6/2023/1937/EM

    Loft conversion with rear dormer

    46 Holwell Road Welwyn Garden City AL7 3RQ

    Received 19 Sept 2023
  6. Decided - Granted6/2018/2167/EM

    Reduce 1 x Silver Birch by 30%

    144 Howlands Welwyn Garden City AL7 4RG

    Received 21 Aug 2018
  7. Decided - Granted6/2023/1103/LAWP

    Certificate of lawfulness for alterations to existing front driveway consisting of replacing part of the hard paving to increase the area of soft landscaping

    36 Marley Road Welwyn Garden City AL7 4BS

    Received 24 May 2023
  8. Decided - Granted6/2020/2508/COND

    Submission of details pursuant to Condition 4 (materials) on Planning Permission 6/2018/2943/MAJ

    Royal Veterinary College Hawkshead Lane Hatfield AL9 7TA

    Received 30 Sept 2020
  9. Decided - Granted6/2021/3116/EMT

    Removal of 1 x hawthorn and 1x Lawson Cypress in rear of property and removal of 1 x Rowan to front of property

    20 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 1 Nov 2021
  10. Decided - GrantedW6/2014/1435/EM

    Formation of hardstanding

    37 Haldens, Welwyn Garden City, AL7 1DH

    Received 26 Jun 2014
  11. Appeal Decided - Allowed6/2018/1776/EM

    Retrospective erection of a two storey rear extension

    97 Handside Lane Welwyn Garden City AL8 6SP

    Received 3 Jul 2018
  12. Decided - Granted6/2016/1326/HOUSE

    Erection of single storey rear extension and insertion of replacement door to side elevation

    14 Howlands, Welwyn Garden City, AL7 4RD

    Received 30 Jun 2016
  13. DecidedN6/2008/1668/TE

    WORKS TO THREE POPLAR TREES, ONE BIRCH TREE AND ONE CONIFER TREE.

    8 BUSHEY LEY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3HW

    Received 5 Sept 2008
  14. Decided - Granted6/2026/1265/PN8

    Prior approval for a single storey rear extension measuring 6.00m in depth, 2.60m to the eaves and the maximum height of 3.00m

    1 Newstead Hatfield AL10 9DH

    Received 20 Jul 2026
  15. Decided - Granted6/2025/0843/HOUSE

    Proposed 2 storey rear & single storey porch extension

    32 Wilga Road Welwyn AL6 9PS

    Received 2 May 2025
  16. Decided - Refused6/2017/2494/HOUSE

    Demolition of the existing conservatory. Erection of a single storey rear extension and first floor side extension. Conversion of garage into habitable accommodation. Insertion of ground floor side window and door.

    22 Birchall Wood Welwyn Garden City AL7 2HL

    Received 30 Oct 2017
  17. Decided - GrantedC6/1988/0699/FP

    Erection of three units for use as headquarter offices (Use Class B1) with associatedd access roadd, car parking and landscaping

    Bessemer Road, Welwyn Garden City, AL8 7LU

    Received 1 Jan 1988
  18. Decided - GrantedS6/2007/1245/FP

    FORMATION OF CLADDING TO EXISTING FRONT OFFICES

    164 Great North Road Hatfield AL9 5JN

    Received 17 Aug 2007
  19. Decided - RefusedN6/2014/0966/FP

    Erection of 2no. detached dwellings (4 bedroom) with single garage, associated access and parking

    Land at 6 Briary Wood End Welwyn AL6 0TD

    Received 24 Apr 2014
  20. Decided - GrantedW6/2009/2576/EM

    RETENTION OF SHED IN REAR GARDEN AND REPLACEMENT PAVING IN FRONT GARDEN

    12 MARLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BS

    Received 20 Nov 2009
  21. Decided - Refused6/2020/3293/HOUSE

    Erection of two storey side extension

    20 Peplins Way Brookmans Park Hatfield AL9 7UU

    Received 8 Dec 2020
  22. Decided - Granted6/2017/2181/EM

    Erection of a single storey rear extension

    5 East Mead Welwyn Garden City AL7 4RR

    Received 22 Sept 2017
  23. Decided - Granted6/2023/0373/HOUSE

    Erection of a two storey side and rear extension, single storey front and rear extension and loft conversion with dormer

    121 Crawford Road Hatfield AL10 0PF

    Received 17 Feb 2023
  24. Decided - GrantedW6/2009/1905/EM

    ERECTION OF FIRST FLOOR REAR EXTENSION AND PART GARAGE CONVERSION

    4 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DF

    Received 4 Sept 2009

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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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.

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