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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
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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
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 - GrantedN6/2013/1553/FP

    Erection of single storey side and rear extensions

    4 Linkfield, Welwyn Garden City, AL7 4DW

    Received 18 Jul 2013
  2. Decided - Granted6/2022/0426/EMT

    1 x Field maple to dismantle in sections to ground level. Tree is causing damage to rear wall 1 x Field maple to reduce laterals over lawn by 1.2m 1 x sweet chestnut to reduce limb over lawn by 2m.

    291 Knightsfield Welwyn Garden City AL8 7NH

    Received 23 Feb 2022
  3. Decided - Granted6/2019/1123/LAWP

    Certificate of lawfulness for the erection of single storey rear extension

    4 Chelwood Avenue Hatfield AL10 0RE

    Received 9 May 2019
  4. Decided - Granted6/2017/0490/HOUSE

    Erection of single storey rear conservatory, following demolition of existing conservatory

    29 Summerfield Hatfield AL10 8LP

    Received 13 Mar 2017
  5. Decided - Granted6/2023/0730/FULL

    Installation of a platform and service room, with trenched cable linkage between data room and platform and other associated works

    Brookmans Park Teleport Great North Road Brookmans Park AL9 6NE

    Received 31 Mar 2023
  6. Decided - Granted6/2022/2906/EMT

    Hornbeam - 30% crown reduction as very large and close to house.

    49 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 23 Dec 2022
  7. DecidedN6/2014/0370/TC

    Remove 5 conifers and one sycamore. Crown reduce an apple, cherry and willow by 30%

    64 Valley Road, Welwyn Garden City, AL8 7DN

    Received 14 Feb 2014
  8. Decided - GrantedN6/2015/1101/FP

    Erection of single storey rear garden room following demolition of existing conservatory

    12 Firway Close Welwyn AL6 0RE

    Received 27 May 2015
  9. Decided - GrantedN6/2007/1002/FP

    SINGLE STOREY REAR EXTENSION

    20 Briary Wood Lane Welwyn AL6 0TF

    Received 3 Jul 2007
  10. Decided - Granted6/2026/0169/LAWP

    Certificate of lawfulness for the proposed erection of a outbuilding to be used as a greenhouse

    5 Old French Horn Lane Hatfield AL10 8AH

    Received 2 Feb 2026
  11. Decided - Granted6/2017/1508/VAR

    Variation of condition 1 (approved plans relating to bin storage), condition 2 (alterations to the access onto West End Lane including the provision and dedication of new footway), condition 3 (parking laid out and used for no other purposes) and condition 7 (bin storage area constructed and used for no other purposes) on planning permission 6/2016/0210/VAR dated 05/04/2016

    Orme Court (formally Hitchins Yard) West End Lane Essendon Hatfield AL9 6AT

    Received 11 Jul 2017
  12. Decided - Granted6/2017/0260/TPO

    Prune Lime tree located in rear garden by upto 35% - Conservation Area

    32 Blakemere Road Welwyn Garden City AL8 7PJ

    Received 13 Feb 2017
  13. Decided - Granted6/2023/2317/HOUSE

    Erection of single-storey rear extension with gable roof, two skylight windows and bi-folding doors

    59 Little Mead Hatfield AL10 0UQ

    Received 17 Nov 2023
  14. Decided - Granted6/2020/0928/EM

    Replacement of hardstanding

    45 Wren Wood Welwyn Garden City AL7 1QF

    Received 24 Apr 2020
  15. Decided - Granted6/2021/2894/COND

    Submission of Details pursuant to condition 1 (crown roof) on planning application 6/2021/1724/FULL

    4 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 8 Oct 2021
  16. Decided - Granted6/2021/0890/EM

    Single storey rear extension

    55 Marsden Road Welwyn Garden City AL8 6YH

    Received 18 Mar 2021
  17. Decided - GrantedW6/2015/1243/TE

    Removal of three Leylandii trees, 1 Conifer tree and upto 20 Hawthorn trees along boundary line plus removal of Holly bush and 30% removal from unknown species

    26 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 12 Jun 2015
  18. Decided - GrantedS6/2009/1369/FP

    AMENDMENT TO PLANNING APPROVAL S6/2008/0483/FP: RETENTION OF ROOF ALTERATIONS INCLUDING INCREASE IN LEVEL OF RIDGE AND EAVES TO PART OF ROOF AND REMOVAL OF SOME ROOFLIGHTS TO EASTERN FLANK OF THE ROOF

    17 EAST RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4AW

    Received 1 Jul 2009
  19. Decided - Granted6/2021/0833/EMH

    New cladding, windows and door for existing shed

    6 Furzefield Road Welwyn Garden City AL7 3RH

    Received 15 Mar 2021
  20. Appeal Decided - Dismissed6/2019/0824/HOUSE

    Erection of single storey mono-pitch roofed side extension following demolition of existing garage. Raising of roof height to rear projection and erection of a storey rear extension to create dual pitched roof and following removal of existing dormer window. Insertion of 3 no. gable end first floor front extensions. Erection of front porch. Rendering of ground floor level and weatherboarding to first floor level. Alteration of openings at ground and first floor and insertion of a rooflight to the eastern side of eastearn rear projection. Layout of front hardstanding, relocation and alteration to retaining wall.

    22 Reynards Road Welwyn AL6 9TP

    Received 5 Apr 2019
  21. Decided - GrantedC6/1987/0777/FP

    Single storey rear extension

    61 Great North Road Welwyn Garden City AL8 7TL

    Received 1 Jan 1987
  22. Decided - Granted6/2022/1220/TPO

    Sweet chestnut (T1) - removal of low-hanging branches that overhang road and driveway, and removal of dead branches. Crown lift to 4m and crown shape and reduction by 40%. Sweet chestnut (T3) removal of low-hanging branches that overhang path and obstruct windows. Crown lift to 4m and crown shape and reduction by 20%.

    17A Chestnut Walk Welwyn AL6 0SD

    Received 25 May 2022
  23. Decided - Withdrawn6/2019/0401/EM

    Reduce 2 x Ash trees by 40%

    77 Guessens Road Welwyn Garden City AL8 6RE

    Received 21 Feb 2019
  24. Decided - RefusedS6/2014/1889/LUP

    Certificate of lawfulness for proposed single storey side extension and conversion of garage to habitable accommodation

    1 Thistle Drive, Hatfield, AL10 9FQ

    Received 26 Aug 2014

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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