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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
20,154Searchable applications
298Recorded as pending
86%Approval rate · 16,288 approved or refused records
2,286Refused applications

14,002 approved · 2,286 refused · 1,021 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/2587/LAWP

    Certificate of lawfulness for the installation of roof lights and rear dormer

    41 Firs Wood Close Northaw Potters Bar EN6 4BY

    Received 14 Nov 2022
  2. Decided - Granted6/2022/2205/HOUSE

    Erection of a porch to the front elevation

    4 Deerswood Avenue Hatfield AL10 8RX

    Received 23 Sept 2022
  3. Decided - Granted6/2018/2911/EM

    Alterations to front door position with installation of canopy, removal of side door and installation of gutter pipe

    63 Boundary Lane Welwyn Garden City AL7 4EG

    Received 13 Nov 2018
  4. Decided - Granted6/2026/1076/HOUSE

    Replacement of roof and wall frames on existing conservatory

    31 Linkfield Welwyn Garden City AL7 4DN

    Received 22 Jun 2026
  5. Decided - Granted6/2018/2337/EM

    Installation of window following removal of garage door to facilitate conversion of garage to habitable space

    163 Boundary Lane Welwyn Garden City AL7 4EQ

    Received 12 Sept 2018
  6. Decided - Granted6/2026/0984/TPO

    Multi-stem Laurel nobilis crown reduction by 30/40% to suitable growth points. TPO 1074 (2024)

    16 Endymion Road Hatfield AL10 8AS

    Received 4 Jun 2026
  7. Decided - Granted6/2020/3173/EMT

    Lawson Cypress to remove limb growing towards neighbouring property (see photo) 1 x Blue Lawson Cypress to reduce by 4m height

    2 Thumbswood Welwyn Garden City AL7 4QE

    Received 25 Nov 2020
  8. Decided - Granted6/2018/2915/EM

    Fell 1x Popular tree

    32 Heather Road Welwyn Garden City AL8 6XU

    Received 13 Nov 2018
  9. Decided - Granted6/2021/2654/TPO

    Reduce 1 x Ash tree (T1) and 2 x Horse Chestnut trees (T2, T3) by 30% covered by a TPO

    14 Hillside Way Welwyn AL6 0TY

    Received 13 Sept 2021
  10. Decided - Granted6/2018/1438/EM

    Erection of single storey rear/side extension following demolition of existing conservatory

    21 Beehive Green Welwyn Garden City AL7 4BG

    Received 23 May 2018
  11. Decided - Withdrawn6/2022/2524/PN8

    Prior approval for the erection of two single storey side extensions measuring 8m. in depth, 4m. in height and 2.5m. to the eaves

    Postern Gate Farm Newgate Street Village Hertford SG13 8QR

    Received 3 Nov 2022
  12. Decided - Refused6/2024/1719/COND

    Submission of details pursuant to condition number 5 - Part B (Traffic Regulation Order (TRO)) on planning permission 6/2020/2248/OUTLINE

    Roundhouse Farm Land off Bullens Green Lane Colney Heath

    Received 6 Sept 2024
  13. Decided - Granted6/2019/1697/ADV

    Installation of 1x projecting sign

    41 High Street Welwyn AL6 9EF

    Received 10 Jul 2019
  14. Decided - Granted6/2018/2102/FULL

    Retention of two storey rear extension

    Oak Cottage Residential Home 4 Wilkins Green Lane Hatfield AL10 9RT

    Received 13 Aug 2018
  15. Decided - Granted6/2021/3508/VAR

    Variation of condition 16 (drawing numbers), on planning permission 6/2019/1569/FULL

    63 New Road Digswell Welwyn AL6 0AL

    Received 20 Dec 2021
  16. Decided - Granted6/2021/1004/HOUSE

    Erection of a single storey side extension and single storey rear/side extension, insertion of roof lantern and insertion of window to side elevation.

    20 Monks Rise Welwyn Garden City AL8 7NF

    Received 26 Mar 2021
  17. Decided - Granted6/2025/0377/COND

    Submission of details pursuant to condition number 10 (CCTV), on planning permission 6/2021/3367/MAJ

    Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN

    Received 27 Feb 2025
  18. Decided - Withdrawn6/2021/2779/EMH

    Installation of vehicular crossover and hardstanding to front

    67 Sweet Briar Welwyn Garden City AL7 3EB

    Received 27 Sept 2021
  19. Decided6/2026/0093/TC

    T1653 - Honey Locust to fell.

    Salisbury Square Hatfield AL9 5AD

    Received 22 Jan 2026
  20. Decided6/2020/1282/TC

    Fell 1 x Willow Tree

    10 The Orchard Welwyn Garden City AL8 7PL

    Received 8 Jun 2020
  21. Decided6/2025/0237/TC

    1 x Scot's pine to dismantle in sections to near ground level. The tree too close to the property & causing darkness. Also too close to neighbours house ands windows causing a nuisance with light

    150 Parkway Welwyn Garden City AL8 6HP

    Received 11 Feb 2025
  22. Decided - Granted6/2024/2355/HOUSE

    Erection of rear extension with canopy and alteration to the glazing

    2 Nimrod Drive Hatfield AL10 9LS

    Received 9 Dec 2024
  23. Decided - Granted6/2018/2140/HOUSE

    Erection of a single storey rear extension and raised patio area following the demolition of existing conservatory

    172 Tolmers Road Cuffley Potters Bar EN6 4JP

    Received 17 Aug 2018
  24. Decided - Granted6/2023/1717/TPO

    Oak tree to crown lift to 5m over 2 Hook Lane and remove epicormic (whiskers) growth from the stem to a height of 5m. Tree covered by TPO 882 (2018)

    1 Hook Lane Northaw Potters Bar EN6 4DA

    Received 15 Aug 2023

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

    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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