PlanningTrack
Get started

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
21,303Searchable applications
298Recorded as pending
86%Approval rate · 17,215 approved or refused records
2,435Refused applications

14,780 approved · 2,435 refused · 1,088 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/3137/LAWP

    Certificate of lawfulness for the erection of a loft conversion within the existing roof space including the installation of 4no roof lights for habitable accommodation within the dwelling house

    12 Rollswood Road Welwyn AL6 9TX

    Received 2 Nov 2021
  2. Decided - Split6/2019/0649/COND

    Submission of details pursuant to condition 7 (written scheme) on planning permission 6/2016/1508/FULL

    Cucumber Barn Cucumber Lane Essendon Hatfield AL9 6JB

    Received 18 Mar 2019
  3. Decided - Granted6/2025/2295/HOUSE

    Erection of a two storey side extension, part single and part two storey rear extension, removal of external render on the ground floor front elevation of the existing dwelling and alterations to fenestration following the demolition of the detached shed.

    48 Broomfield Road Welwyn AL6 9DW

    Received 29 Oct 2025
  4. Decided - Granted6/2023/1488/LB

    Installation of acoustic laminate secondary glazing units to all windows at the property

    North Mymms Park East Lodge Tollgate Road North Mymms Hatfield AL9 7TW

    Received 17 Jul 2023
  5. Decided - Granted6/2022/1827/COND

    Submission of details pursuant of condition 1 (bat emergence and re-entry surveys) on planning permission 6/2021/1612/VAR

    The District Cemetery South Way Hatfield AL10 8HS

    Received 4 Aug 2022
  6. Decided - Granted6/2021/3410/FULL

    Erection of 2 x single storey, 2-bed, semi-detached dwellings with associated parking and amenity space

    Welwyn Reservoir Ottway Walk Welwyn AL6 9JT

    Received 6 Dec 2021
  7. Decided - Refused6/2026/0250/HOUSE

    Alterations to existing roofs including raising the roof ridge height

    1 The Limberlost Welwyn AL6 9TS

    Received 12 Feb 2026
  8. Decided - Granted6/2020/0945/HOUSE

    Erection of single storey extensions, internal alterations and changes to external finishes

    14 Reynards Road Welwyn AL6 9TP

    Received 27 Apr 2020
  9. Decided - Granted6/2025/2226/HOUSE

    Erection of single storey rear extension, loft conversion including front and rear gable end windows, raising roof of existing garage, part conversion of existing garage to a habitable room, alterations to fenestration and enlarged driveway

    79 Attimore Road Welwyn Garden City AL8 6LG

    Received 21 Oct 2025
  10. Decided - Granted6/2023/0845/ADV

    Installation of 4 x box fascias with internally illuminated lettering, 3 x non-illuminated box fascias, 1 x projecting sign with internally illuminated lettering and 3 x diabond graphics

    Unit 17 High View Hilltop Way Hatfield AL10 8FH

    Received 20 Apr 2023
  11. Decided - Granted6/2023/0278/EMT

    T1 - 1 x Field maple (tree nearest house) to reduce by approximately 3m in height and 3m in width - Grown out reduction, too close to property and to maintain size T2 - 1 x Field maple to reduce by approximately 2m in height and 2m in width. Remove hanging branch. Grown out reduction with thick dense crown. To maintain size G1 - Line of leyland Cypress to reduce to previous pruning points (approximately 4m above ground level) - Outgrown Leyland Cypress hedges to reduce back to a more compact size G1 - 2 x Leyland cypress to reduce to approximately 4m above ground level Outgrown Leyland Cypress hedges to reduce back to a more compact size T3 - 1 x Weeping willow to dismantle in sections to ground level, to grind out stump to approximately 200 below existing ground level. Poor form, heavy lean causing mess and a nuisance to neighbour.

    6 The Orchard Welwyn Garden City AL8 7PL

    Received 6 Feb 2023
  12. Decided - Granted6/2020/0565/EM

    Erection of a single storey side extension, installation of door to facilitate conversion of garage into habitable space, alterations to openings and formation of hard standing

    52 Rosedale Welwyn Garden City AL7 1DR

    Received 27 Feb 2020
  13. Appeal Decided - Dismissed6/2025/1023/FULL

    Retrospective consent for the erection of an enclosed outdoor seating area (winter garden)

    The Coach And Horses 61 Newgate Street Village Hertford SG13 8RA

    Received 30 May 2025
  14. Decided - Granted6/2018/0712/TPO

    Reduce crown of 2 x Oak trees by 2m & thin remaining crown by 20% Covered by TPO T1 523(2016) and T2 523(2016)

    9 Ashley Close Welwyn Garden City AL8 7LH

    Received 15 Mar 2018
  15. Decided - Granted6/2018/0327/EM

    Replace rear kitchen window with bi folding doors & rear back door with glass door.

    67 Oakdale Welwyn Garden City AL8 7QP

    Received 1 Feb 2018
  16. Decided - Granted6/2019/0178/HOUSE

    Erection of a single storey rear extension

    56 Homewood Avenue Cuffley Potters Bar EN6 4QR

    Received 29 Jan 2019
  17. Decided - Granted6/2020/2244/EM

    Partial conversion of existing garage, erection of single storey front infill extension and existing driveway extension

    24 Fordwich Road Welwyn Garden City AL8 6EY

    Received 26 Aug 2020
  18. Decided - Granted6/2020/3077/EMT

    Fell Atlas Cedar (T1 on diagram) . Linked to 6/2020/3012/TC

    52 Parkway, Welwyn Garden City, AL8 6HH

    Received 19 Nov 2020
  19. Decided - Granted6/2025/0757/FULL

    Erection of E(g)(i) Offices, B8 Warehouse following the demolition of existing industrial building currently being used for the storage of metal work

    Land & Buildings on the West side of Travellers Lane Welham Green Hatfield AL9 7HF

    Received 22 Apr 2025
  20. Decided - Granted6/2020/3391/LAWP

    Certificate of lawfulness for construction of additional single storey rear extension to a cumulative depth of 6m from the rear of the original house

    15 Heathcote Avenue Hatfield AL10 0RQ

    Received 18 Dec 2020
  21. Appeal Decided - Dismissed6/2020/1122/HOUSE

    Loft conversion to faciliate new first floor above existing extension.

    2 Digswell Hill Welwyn AL6 9AL

    Received 18 May 2020
  22. Decided - Withdrawn6/2021/2245/LAWP

    Certificate of lawfulness for proposed change of use from Class E (financial and professional services; old Class A2) to mixed use as financial and professional services (Use Class E) and 2 residential flats (Use Class C3)

    11 Town Centre Hatfield AL10 0NY

    Received 27 Jul 2021
  23. Decided - Granted6/2019/0998/EM

    Erection of a single storey rear extension

    29 Cypress Avenue Welwyn Garden City AL7 1HN

    Received 25 Apr 2019
  24. Decided - Refused6/2020/1911/EMT

    Replacement of existing Silver Maple Tree with an Apple Tree and previously diseased tree to have new Cherry Tree place.

    52 Rosedale Welwyn Garden City AL7 1DR

    Received 22 Jul 2020

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

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities