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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
31,297Searchable applications
303Recorded as pending
87%Approval rate · 26,107 approved or refused records
3,437Refused applications

22,670 approved · 3,437 refused · 1,656 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2014/2277/FP

    Erection of single storey side and rear extensions following demolition of existing garage

    12 Coulter Close, Cuffley, Potters Bar, EN6 4RR

    Received 15 Oct 2014
  2. Decided - Withdrawn6/2021/0904/COND

    Submission of details pursuant to condition number 4 (noise impact assessment) on planning permission 6/2019/0814/FULL

    55 Bishops Rise Hatfield AL10 9BX

    Received 18 Mar 2021
  3. Decided - Withdrawn6/2021/0466/EM

    Erection of a two storey side extension and a timber framed enclosed car port. A porch infill with alterations to openings, including the insertion of rear facing roof light to existing roof.

    Howards Cottage 1 Digswell House Mews Monks Rise Welwyn Garden City AL8 7AT

    Received 12 Feb 2021
  4. Decided6/2022/1679/TC

    T1 conifer - fell to ground level

    3 The Pastures Welwyn Garden City Hertfordshire AL7 4PX

    Received 15 Jul 2022
  5. Decided - Granted6/2022/0711/EM

    Erection of single storey side and rear extensions following demolition of conservatory

    10 Drycroft Welwyn Garden City AL7 4DH

    Received 25 Mar 2022
  6. Decided - Granted6/2018/0008/HOUSE

    Replacement of existing windows and doors to rear of building.

    11 Fore Street Hatfield AL9 5AN

    Received 2 Jan 2018
  7. Decided - Split6/2017/2142/COND

    Submission of details pursuant to condition 1 (Contamination), 4 (Site Waste Management Plan), 5 (Construction Management Plan) and 7 (Landscape and Ecology Management Plan) on Planning Permission 6/2015/0294/PP, dated 18/08/2017

    Former Shredded Wheat Factory Bridge Road Welwyn Garden City AL8 6UN

    Received 22 Sept 2017
  8. Decided - Granted6/2018/0994/EM

    Fell 1 x Conifer tree on boundary of number 2 and 3

    3 Little Dell Welwyn Garden City AL8 7HZ

    Received 16 Apr 2018
  9. Decided - Withdrawn6/2019/1723/HOUSE

    Erection of a two storey side and rear extension

    49 Attimore Road Welwyn Garden City AL8 6LG

    Received 12 Jul 2019
  10. Decided - Withdrawn6/2019/0020/MAJ

    Erection of a two-storey building 10 x dwellings and dance studio with underground parking space following demolition of existing building

    169 Knightsfield Welwyn Garden City AL8 7QG

    Received 4 Jan 2019
  11. Decided - Granted6/2017/0005/LAWP

    Certificate of lawfulness for the erection of a detached garage to the rear of the site.

    16 Great North Road Welwyn AL6 0PL

    Received 4 Jan 2017
  12. Decided - Granted6/2018/0871/LAWP

    Certificate of lawfulness for the infilling of opening in brickwork and installation of a window to replace garage door to facilitate conversion of garage into a playroom and installation of bi-fold doors to rear elevation

    20 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 3 Apr 2018
  13. Decided - Granted6/2024/1471/HOUSE

    Installation of 2 air-source heat pumps

    102 Tolmers Road Cuffley Potters Bar EN6 4JJ

    Received 2 Aug 2024
  14. Decided - Granted6/2025/1699/EM

    Replacing front door and garage door with same colour and style of doors

    54 Valley Road Welwyn Garden City AL8 7DN

    Received 7 Aug 2025
  15. Decided - Granted6/2017/2498/HOUSE

    Erection of first floor and two storey side extension

    169 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 30 Oct 2017
  16. Decided - Granted6/2024/0460/HOUSE

    Erection of single storey side/rear extension

    39 Briars Lane Hatfield AL10 8ES

    Received 11 Mar 2024
  17. Decided - Granted6/2018/1564/HOUSE

    Conversion of garage to habitable space including alterations to openings

    12 Daisy Drive Hatfield AL10 9FR

    Received 12 Jun 2018
  18. Decided - Granted6/2022/2819/HOUSE

    Erection of first floor rear extension and front porch/canopy infill extension with tiled pitched roof to front canopy

    23 Stag Green Avenue Hatfield AL9 5EB

    Received 13 Dec 2022
  19. Decided - Granted6/2022/0152/HOUSE

    Erection of a single storey rear extension, with part garage conversion to habitable accommodation.

    68 Brooksfield Welwyn Garden City AL7 2AN

    Received 21 Jan 2022
  20. Decided - Granted6/2024/1520/EMT

    T1-Rowan-Fell to ground level as it is dying

    24 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 9 Aug 2024
  21. Decided - Granted6/2024/2064/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.55m to the eaves

    51 Huggins Lane Welham Green Hatfield AL9 7LJ

    Received 25 Oct 2024
  22. Decided - Granted6/2019/2809/EM

    Fell 1x Horse chestnut tree

    2 Turmore Dale Welwyn Garden City AL8 6HS

    Received 6 Nov 2019
  23. Decided - Withdrawn6/2021/1392/FULL

    Installation of x 2 storage containers for bicycles and administrative purposes.

    Stanborough Park Stanborough Road Welwyn Garden City AL8 6DF

    Received 30 Apr 2021
  24. Decided - Granted6/2021/1441/LAWP

    Certificate of lawfulness for proposed loft conversion, including three rooflights and one window on the rear dormer.

    95 Dellsome Lane Welham Green Hatfield AL9 7NE

    Received 7 May 2021

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

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

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    Planning permission drawings: how to read plans

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  • 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.

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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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