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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
20,197Searchable applications
298Recorded as pending
86%Approval rate · 16,323 approved or refused records
2,295Refused applications

14,028 approved · 2,295 refused · 1,023 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/1422/COND

    Submission of details pursuant to Condition 4 (replacement windows) on planning permission 6/2025/0034/LB

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 4 Jul 2025
  2. Decided - Withdrawn6/2019/0699/VAR

    Variation of condition 4(Drawing Numbers) on planning permission 6/2018/1355/FULL

    Magellan House Bessemer Road Welwyn Garden City London AL7 1HJ

    Received 21 Mar 2019
  3. Decided - Withdrawn6/2026/0559/HOUSE

    Erection of single storey front extension, raising of garage roof and raising of boundary walls with addition of trellis.

    78 Travellers Lane Hatfield AL10 8SF

    Received 26 Mar 2026
  4. Decided - Granted6/2021/3349/COND

    Submission of details pursuant to condition 13 (drainage) on planning application 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 26 Nov 2021
  5. Decided - Granted6/2022/0301/EMH

    Erection of a two storey side extension with installation of 1 x front facing dormer window and rear facing roof lights, installation of rear facing roof light to existing roof of main dwelling, and the formation of 1 x parking space

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

    Received 9 Feb 2022
  6. Decided - Granted6/2026/0116/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth and 3m in height.

    35 Bradshaws Hatfield AL10 9QS

    Received 26 Jan 2026
  7. Decided - Refused6/2024/0570/HOUSE

    Installation of oak framed structure clad with horizontal weatherboarding and pitched roof of clay tiles to existing building of same design

    1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 22 Mar 2024
  8. Decided - Granted6/2020/2926/EM

    Erection of a garden log cabin with storage annexe

    46 Fordwich Road Welwyn Garden City AL8 6EY

    Received 9 Nov 2020
  9. Decided6/2023/0375/TC

    Leyland Cypress hedge to dismantle in sections to ground level as the hedge is very overgrown, close to the property and causing a nuisance to applicant and the neighbours

    57 Knightsfield Welwyn Garden City AL8 7JE

    Received 17 Feb 2023
  10. Decided - Granted6/2023/1750/EMT

    Reduce 2 sycamore trees by 10ft (3 metres), shape and remove Russian ivy.

    3 Broadfield Place, Welwyn Garden City, AL8 6LJ

    Received 18 Aug 2023
  11. Decided - Granted6/2025/0593/EM

    Retention of solar panels to rear of property roof

    22 Marsden Road Welwyn Garden City AL8 6XZ

    Received 27 Mar 2025
  12. Decided - Granted6/2023/1335/EM

    Erection of a glass room with glass sides and roof attached to the existing side extension and supported by 2 stanchions at the front

    2 Youngs Rise Welwyn Garden City AL8 6RU

    Received 28 Jun 2023
  13. Decided - Granted6/2018/0964/HOUSE

    Erection of single storey rear extension and first floor side extension

    75 Mulberry Mead Hatfield AL10 9EH

    Received 11 Apr 2018
  14. Appeal Decided - Dismissed6/2023/1158/HOUSE

    Erection of a part two, part single, part first floor side and rear extension, and a partial conversion of garage. External alterations and landscape works to the rear and front gardens

    48 Valley Road Welwyn Garden City AL8 7DN

    Received 31 May 2023
  15. Decided - Refused6/2021/1170/FULL

    Proposed demolition of the existing house and erection of two detached houses

    44 Tolmers Road Cuffley Potters Bar EN6 4JF

    Received 12 Apr 2021
  16. Decided - Granted6/2022/0798/EM

    Replacement of existing white UPVC ground floor windows and patio doors at rear of house with black aluminium frame windows and doors.

    39 Elmwood, Welwyn Garden City, AL8 6LD

    Received 31 Mar 2022
  17. Decided - Granted6/2022/0066/COND

    Submission of details pursuant to condition 2 (bat roost assessment) on planning application 6/2021/2616/FULL

    7 Hanyards Lane Cuffley Potters Bar EN6 4AS

    Received 11 Jan 2022
  18. Decided - Granted6/2018/2818/EM

    Erection of a single storey rear extension

    13 Sandpit Road Welwyn Garden City AL7 3TW

    Received 1 Nov 2018
  19. Decided - Refused6/2019/0959/COND

    Submission of details pursuant to condition 1 (materials samples) 2 (hard and soft landscaping) 3 (construction method statement) and 4 (cross sections of the site) on planning permission 6/2018/1045/FULL

    29 Turpins Ride Welwyn AL6 0QU

    Received 18 Apr 2019
  20. Decided - Granted6/2018/2341/TPO

    Hornbeam T5 under TPO811 - to crown lift to 5m from ground level. Hornbeam within group G5 under TPO811 to crown lift to 5m from ground level. 1x Cherry tree to fell.

    11 Copper Beeches Welwyn AL6 0SS

    Received 12 Sept 2018
  21. Decided - Granted6/2023/1899/EM

    To amend the appearance of the existing party wall by constructing a new brick parapet on top of both party walls as per third party wall award

    11 The Quadrangle Welwyn Garden City AL8 6SG

    Received 13 Sept 2023
  22. Decided6/2025/0995/TC

    T1 Hornbeam in front garden. Reduce crown by 30% back to previous reduction and remove epicormic growth; and T2 Oak in rear garden next to house. Reduce crown by 30% back to previous reduction and remove epicormic growth.

    1 Woodland Rise Welwyn Garden City AL8 7LE

    Received 28 May 2025
  23. Decided - Granted6/2026/0168/TPO

    T1 Maple to remove and replant. T2 Sycamore pollard crown down and round in height by 4m, leaving roughly 1m stubs at the top of the tree and leaving lateral limbs at roughly 5m long. T3 Sycamore crown reduction by 1m. T4 Sycamore crown reduction by 1.5m in height and width, and crown lifted with branches wanting to be removed mark with red lines in photo attached. T5 Yew tree reduce main leader that comes out the top of the tree by 1.5m and prune remaining canopy in by 1m back to grown points. TPO 612 (2017)

    White Eaves High Road Essendon Hatfield AL9 6HU

    Received 2 Feb 2026
  24. Decided - Granted6/2022/0632/HOUSE

    Erection of a single storey front and first floor side extension with the alteration of front and rear windows and changes to the rear garden

    1 The Green Welwyn AL6 9EA

    Received 17 Mar 2022

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

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

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  • 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.

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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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