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England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
38,073Searchable applications
335Recorded as pending
86%Approval rate · 31,798 approved or refused records
4,510Refused applications

27,288 approved · 4,510 refused · 2,060 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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. Decided6/2023/0313/TC

    Reduce 1 x Sycamore by 25%

    5 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 8 Feb 2023
  2. Decided - RefusedN6/2014/0533/FP

    Change of use from D1 (non-residential institutions) to B8 (storage or distribution)

    The Surgery, 22 Moorlands, Welwyn Garden City, AL7 4PP

    Received 14 Mar 2014
  3. Decided - Refused6/2017/0102/HOUSE

    Erection of single storey side extension with internal alterations

    20 Wilkins Grove Welwyn Garden City AL8 6JS

    Received 20 Jan 2017
  4. Decided - Granted6/2020/2389/EMT

    Fell 1 x hedge, fell 1 x cherry tree, reduce 1 x pear tree by one branch

    8 Meadow Green Welwyn Garden City AL8 6SS

    Received 17 Sept 2020
  5. Decided6/2020/2058/TC

    Removal Ash (T1).

    17 Longcroft Gardens Welwyn Garden City AL8 6JR

    Received 14 Aug 2020
  6. Decided - GrantedS6/2014/1982/FP

    Erection of single storey rear extension and new porch following demolition of existing sun room

    8 Carbone Hill, Northaw, Potters Bar, EN6 4PL

    Received 5 Sept 2014
  7. Decided - Granted6/2018/0140/HOUSE

    Erection of a part single, part double storey rear extension to replace existing conservatory and part conversion of existing garage.

    49 Elmwood Welwyn Garden City AL8 6LD

    Received 16 Jan 2018
  8. Decided - Granted6/2021/0791/TPO

    Fell 1 x English Oak Tree (T4)

    31 Plough Hill Cuffley Potters Bar EN6 4DW

    Received 11 Mar 2021
  9. Decided - Granted6/2020/0705/TC

    Reduce 1 x Cedar Tree [T1] by 30% covered by TPO 189 (T13)

    6 Tolmers Mews Newgate Street Hertford SG13 8RG

    Received 12 Mar 2020
  10. Decided - Withdrawn6/2017/0861/PN11

    Prior approval for a proposed change of use from office (Class B1) to residential (Class C3), to include the creation of a self contained bedsit

    30C High Street Welwyn AL6 9EQ

    Received 25 Apr 2017
  11. Decided - GrantedN6/2009/0213/FP

    ERECTION OF TWO STOREY REAR EXTENSION

    3 St Johns Close Welwyn AL6 9RB

    Received 30 Jan 2009
  12. Decided - Granted6/2024/1061/HOUSE

    Replacement front porch with removal of existing awning

    73 Woods Avenue Hatfield AL10 8QF

    Received 7 Jun 2024
  13. Decided - Granted6/2016/1007/FULL

    Installation of new bollards and external benches

    KFC, Comet Way, Hatfield, AL10 9TL

    Received 23 May 2016
  14. Decided - RefusedS6/2008/2193/FP

    ERECTION OF 2.5 METRE HIGH HOARDING

    GREEN CLOSE, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7ST

    Received 17 Nov 2008
  15. Decided - RefusedN6/2014/0611/S73A

    Variation of conditions 4 (improvements to access) and 5 (ground level drawings) of N6/2006/0911/FP

    6 Little Burrow, Welwyn Garden City, AL7 4SW

    Received 24 Mar 2014
  16. Decided - GrantedN6/2013/2395/DS

    Discharge of conditions 8 and 9 (Archaeology) of planning permission N6/2013/0491/MA - Demolition of existing community building erection of replacement community facility and 18 affordable dwellings

    Hyde Club, Hollybush Lane, Welwyn Garden City, AL7 4JS

    Received 12 Nov 2013
  17. Decided - GrantedN6/2009/1389/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSIONS

    48A Harmer Green Lane Digswell Welwyn AL6 0AT

    Received 2 Jul 2009
  18. Decided - Granted6/2019/0836/EM

    Erection of a single storey rear extension

    1 Roundwood Drive, Welwyn Garden City, AL8 7JZ

    Received 8 Apr 2019
  19. Decided - Granted6/2016/0052/PN3

    Prior approval for the erection of an agricultural building measuring 24.61m by 18.46m, with a height of 8.76m

    Mymwood Farm, Shepherds Way, Brookmans Park, Hatfield AL9 6NR

    Received 13 Jan 2016
  20. Decided - GrantedN6/2014/1401/FP

    Erection of part single storey, part two storey side extension

    5 Pitsfield, Welwyn Garden City, AL8 7SJ

    Received 20 Jun 2014
  21. Decided - Granted6/2021/3322/HOUSE

    Erection of a first floor side extension

    8 Endymion Road Hatfield AL10 8AS

    Received 24 Nov 2021
  22. Decided - Granted6/2016/1524/COND

    Approval of details reserved by condition 2 (materials) on planning permission N6/2015/1265/FP

    10 Reynards Road Welwyn AL6 9TP

    Received 25 Jul 2016
  23. Decided - Refused6/2020/0681/PN11

    Prior approval for change of use from Class B1(a) (Offices) to Class C3 (Dwellinghouses)

    Milan House 61 Bridge Road East Welwyn Garden City AL7 1JR

    Received 10 Mar 2020
  24. Under Consultation6/2026/1742/TC

    Horse Chestnut - reduce to previous growth points. Appox 3m of branch being removed

    43 Handside Lane Welwyn Garden City AL8 6SH

    Received 1 Oct 2026

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

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    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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