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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
21,352Searchable applications
298Recorded as pending
86%Approval rate · 17,256 approved or refused records
2,441Refused applications

14,815 approved · 2,441 refused · 1,095 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2022/EM

    Replacement of driveway as shared project with 48 Fordwich Road, due to shared areas

    46 Fordwich Road Welwyn Garden City AL8 6EY

    Received 2 Jul 2021
  2. Decided - GrantedS6/2014/2679/FP

    Installation of new plant unit and secure acoustic enclosure

    39 Homestead Road Hatfield AL10 0QN

    Received 11 Dec 2014
  3. Decided - Granted6/2026/1264/FULL

    Erection of dwelling with boundary wall and gates following demolition of existing property

    53 Brookmans Avenue Brookmans Park AL9 7QG

    Received 17 Jul 2026
  4. Decided - Granted6/2020/2232/EM

    Replacement of driveway with block paving and extension of current path by 3 metres.

    6 Caponfield Welwyn Garden City AL7 4AP

    Received 2 Sept 2020
  5. Decided - Granted6/2026/0633/EM

    Broadening of driveway to allow space for one more vehicle, no change to kerb

    293 Knightsfield Welwyn Garden City AL8 7NH

    Received 9 Apr 2026
  6. Decided - Granted6/2025/2477/HOUSE

    Erection of upstand pitch roof to front of existing garage, proposed brickslips to front elevation, white painted render to gable, dormers and rear elevation, alterations to fenestration and construction of a raised patio

    29 The Grove Brookmans Park AL9 7RL

    Received 26 Nov 2025
  7. Decided - Granted6/2018/2236/HOUSE

    Formation of Vehicle hardstanding (Classified Road)

    58 Great North Road Welwyn Garden City AL8 7TL

    Received 30 Aug 2018
  8. Decided - Withdrawn6/2023/2560/VAR

    Variation of condition 25 (drawings and plans) on planning permission 6/2019/0217/MAJ to alter the flat layouts within the basement and lower the floors to achieve greater head room

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 28 Dec 2023
  9. Under Consultation6/2026/1197/COND

    Submission of details pursuant to condition 23 (Contamination Verification Report), condition 25 (External Lighting), condition 26 (Maintenance & Management of SUDs), condition 28 (Vehicle Access), condition 29 (Parking Allocation) and condition 30 (Accessible & Adaptable Homes) on planning permission 6/2024/0105/MAJ

    Land north of The Meadway Cuffley Potters Bar EN6 4ET

    Received 10 Jul 2026
  10. Decided - Granted6/2020/2928/TPO

    G3 - Pine and Silver Birch - Reduce to ground level

    45 Mardley Hill Welwyn AL6 0TT

    Received 2 Nov 2020
  11. Decided - Granted6/2018/1297/COND

    Submission of details pursuant to condition 6 (Details relating to the external lighting scheme including vertical lux diagrams) on planning permission 6/2016/2706/MAJ

    Ponsbourne Riding School Newgate Street Hatfield SG13 8QS

    Received 16 May 2018
  12. Decided6/2024/2294/TC

    T1 Beech to reduce lateral growth on left side of the tree (NW direction) by approximately 2m. T2 Alder to remove small epicormic stem growing over stream. G1 2 x Yew to cut back to clear the property by 2m horizontally and vertically. [Subject to separate TPO application] More information in application form

    10 The Green Welwyn AL6 9EA

    Received 28 Nov 2024
  13. Decided - Granted6/2023/0601/EM

    Erection of single storey rear extension & wood burning stove flue

    29 Beehive Lane Welwyn Garden City AL7 4BJ

    Received 17 Mar 2023
  14. Decided - Refused6/2025/1897/COND

    Submission of details pursuant of condition 9 (drainage) on planning permission 6/2023/1352/VAR

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 4 Sept 2025
  15. Decided - Refused6/2018/0179/HOUSE

    Replacement front gates and erection of front garden wall and piers with associated soft landscaping.

    3 Homewood Lane, Northaw, Potters Bar, EN6 4PP

    Received 18 Jan 2018
  16. Decided - Refused6/2022/0900/FULL

    Replacement of 4 double glazed sash windows (wood) with 4 double glazed sash windows (upvc, Georgian/astragalbars, colour white).

    24 Rosanne House Bridge Road Welwyn Garden City AL8 6DE

    Received 14 Apr 2022
  17. Decided - Granted6/2025/0204/EM

    Installation of new garden room

    22 Bushey Ley Welwyn Garden City AL7 3HW

    Received 6 Feb 2025
  18. Decided - Granted6/2025/0208/EM

    Replacement of boundary hedge at rear of house between 48 and 46 Attimore Road due to age of old hedgerow. Using concrete post and timber panels 1.8m high

    48 Attimore Road Welwyn Garden City AL8 6LP

    Received 7 Feb 2025
  19. Decided - Granted6/2021/1241/TPO

    Front beeches to be reduced by 1.5m in height Fir 1 to have lower limbs reduced. Fir 2 to be removed to make room for a new tree Both apples to be reduced back to old cuts, up to 1.5m Oak - lower limbs to be reduced by 1m over shed.

    24 Mardley Hill Welwyn AL6 0TS

    Received 16 Apr 2021
  20. Decided - Granted6/2024/0487/HOUSE

    First floor rear infill extension, insertion of rooflights and alterations to rear fenestration

    51 London Road Welwyn AL6 9HY

    Received 13 Mar 2024
  21. Decided - Refused6/2023/0518/HOUSE

    Erection of a detached double garage

    Spinners Bulls Lane Hatfield AL9 7AZ

    Received 7 Mar 2023
  22. Decided - Refused6/2022/0436/LAWP

    Certificate of lawfulness for the proposed erection of a single story and side extensions

    28 Bluebell Way Hatfield AL10 9FJ

    Received 24 Feb 2022
  23. Decided - Refused6/2022/1837/LAWP

    Certificate of lawfulness for a 3m single storey rear extension

    35 Sandpit Road Welwyn Garden City AL7 3TW

    Received 8 Aug 2022
  24. Decided - Refused6/2018/2401/EM

    Fell 6x Lime Trees (G1)

    12 Stanborough Close Welwyn Garden City AL8 6XB

    Received 18 Sept 2018

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.

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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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