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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
23,942Searchable applications
313Recorded as pending
86%Approval rate · 19,591 approved or refused records
2,728Refused applications

16,863 approved · 2,728 refused · 1,241 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/1616/LB

    Removal of existing life expired County Council maintained and operated wall-mounted street lighting and associated fixings. Fitting new County Council maintained and operated wall-mounted heritage-style street lighting and associated fixings.

    Second Floor Flat 12 Fore Street Hatfield AL9 5AH

    Received 20 May 2021
  2. Decided - Granted6/2018/0830/EM

    Erection of a first floor rear extension

    2 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 29 Mar 2018
  3. Decided - Granted6/2020/0831/VAR

    Variation of condition 5 (hard and soft landscaping plan) on planning permission 6/2016/0291/FULL (APP/C1950/W/16/3151697)

    17A Kingsmead Cuffley Potters Bar EN6 4AN

    Received 3 Apr 2020
  4. Decided - Granted6/2023/0879/TPO

    Ash tree to fell (advanced ash dieback). TPO 717 (2017) W1

    The Spinney High Road Essendon Hatfield AL9 6HP

    Received 26 Apr 2023
  5. Decided - Withdrawn6/2022/0145/EMH

    Erection of a single storey rear extension

    7 River View Welwyn Garden City AL7 1UA

    Received 20 Jan 2022
  6. Decided - Granted6/2023/1107/EM

    Change front door and garage door

    10 Lytton Gardens, Welwyn Garden City, AL8 6EG

    Received 25 May 2023
  7. Decided - Granted6/2023/1527/HOUSE

    Erection of single storey rear extension. New rooflight to existing rear extension.

    6 The Terrace West End Lane Essendon Hatfield AL9 6AU

    Received 21 Jul 2023
  8. Decided6/2020/2145/TC

    1 x Lime to reduce by 5m height and width, and lift to 5m above ground level.

    36 Applecroft Road Welwyn Garden City AL8 6LA

    Received 24 Aug 2020
  9. Decided - Granted6/2017/2031/HOUSE

    Erection of single storey side and rear extension, raising of ridge height of dwelling and garage and installation of 3 side windows

    25 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 12 Sept 2017
  10. Decided - Granted6/2025/1658/VAR

    Variation of condition 6 (Approved plans) on planning permission 6/2024/0837/VAR

    Old Maypole House 43 Warrengate Road North Mymms Hatfield AL9 7TT

    Received 1 Aug 2025
  11. Decided - Withdrawn6/2020/2360/HOUSE

    Erection of cart lodge

    94 Harmer Green Lane Digswell Welwyn AL6 0EP

    Received 15 Sept 2020
  12. Decided - Granted6/2019/2775/FULL

    Alterations to front extension to incorporate existing terraces within dwelling envelope together with associated internal works

    30 - 40 Turmore Dale Welwyn Garden City AL8 6HS

    Received 4 Nov 2019
  13. Decided - Granted6/2017/0925/ADV

    Installation of 1 x non-illuminated post mounted sign on front boundary

    Applecroft Primary School Applecroft Road Welwyn Garden City AL8 6JZ

    Received 20 Apr 2017
  14. Decided - Granted6/2020/2239/EMT

    Reduce 1 x Apple Tree by 10%

    3 High Grove Welwyn Garden City AL8 7DW

    Received 2 Sept 2020
  15. Decided - Granted6/2016/0966/EM

    Erection of single storey rear extension

    33 Attimore Road, Welwyn Garden City, AL8 6LQ

    Received 17 May 2016
  16. Decided - Withdrawn6/2021/0775/FULL

    Erection of 2 x dwellings following demolition of existing dwelling

    65 Georges Wood Road Brookmans Park Hatfield AL9 7BX

    Received 10 Mar 2021
  17. Decided - Refused6/2020/1541/EM

    Convert front garden into a double driveway.

    8 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 29 Jun 2020
  18. Decided - Granted6/2018/1208/HOUSE

    Erection of a part single, part two storey rear extension following the demolition of existing conservatory

    69 Rosedale Welwyn Garden City AL7 1DP

    Received 2 May 2018
  19. Decided - Granted6/2024/1649/HOUSE

    Erection of single storey rear extension with rooflights following the demolition of existing outbuilding

    9 Pondcroft Welwyn Garden City AL7 3XJ

    Received 29 Aug 2024
  20. Decided - Granted6/2019/1114/EM

    To remove epicormic growth from 4 x Oak trees and 3 x Hornbeam trees Fell 1 x Hornbeam tree

    8 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 8 May 2019
  21. Decided - Granted6/2023/1752/EM

    Remove small section of beech hedge (approximately 1m width) to allow for better access onto driveway

    51 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 18 Aug 2023
  22. Decided - Granted6/2024/0436/EM

    Replacement hedge in front and part replacement of hedge in rear garden with fence

    29 Digswell Road, Welwyn Garden City, AL8 7PB

    Received 6 Mar 2024
  23. Decided - Granted6/2023/1301/FULL

    Erection of detached dwelling and new vehicular access (resubmission of application 6/2020/1325/FULL)

    Land Adjacent to 48 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 21 Jun 2023
  24. Decided - Granted6/2019/1369/TPO

    Fell 1x Oak tree Fell 1x Silver Birch tree

    Sawmill Cottage Waterend Lane Ayot St Peter Welwyn AL6 9BB

    Received 28 May 2019

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 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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