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
40,229Searchable applications
309Recorded as pending
86%Approval rate · 33,738 approved or refused records
4,810Refused applications

28,928 approved · 4,810 refused · 2,212 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 5 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Granted6/2021/1726/EMH

    Removal of rear conservatory and erection of a part two storey rear extension

    36 Knightsfield Welwyn Garden City AL8 7HA

    Received 1 Jun 2021
  2. Decided - GrantedN6/2006/0291/FP

    CONVERSION OF PART OF OFFICE BLOCK (A) TO FORM 21 FLATS WITH ASSOCIATED CAR PARKING AND LANDSCAPING

    Rosanne House Parkway Welwyn Garden City AL8 6HG

    Received 9 Mar 2006
  3. Appeal Decided - Dismissed6/2016/2219/HOUSE

    Erection of two storey rear extension, loft conversion and alterations to openings

    49 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 24 Oct 2016
  4. Decided - RefusedS6/2008/0254/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION AND TWO STOREY REAR EXTENSION INCLUDING DORMER WINDOWS

    93 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BG

    Received 11 Feb 2008
  5. Decided - Granted6/2022/1267/FULL

    Erection of replacement dwelling and cartlodge following demolition of all buildings / structures on site

    Milkwood Farm Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 30 May 2022
  6. Decided - GrantedW6/2007/0618/EM

    CONVERT PART OF FRONT GARDEN TO HARDSTANDING

    20 Sheepcote, Welwyn Garden City, AL7 4QD

    Received 19 Apr 2007
  7. Decided - RefusedS6/2006/0007/FP

    DEMOLITION OF EXISTING DWELLING AND ERECTION OF TWO 5-BEDROOM DWELLINGS

    67 TOLMERS ROAD, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4JJ

    Received 4 Jan 2006
  8. Decided - Granted6/2019/2788/COND

    Submission of details pursuant to condition 2 (internal noise levels) 4 (surface water drainage scheme) and 7 (hard and soft landscaping) on planning permission 6/2018/1810/MAJ

    Former Xerox Campus Bessemer Road Welwyn Garden City AL7 1HE

    Received 4 Nov 2019
  9. Decided - Granted6/2022/0376/EM

    Erection of first floor rear extension

    16 Caponfield, Welwyn Garden City, AL7 4AP

    Received 17 Feb 2022
  10. Decided - GrantedN6/2008/1097/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    9 BROCKETT CLOSE, WELWYN GARDEN CITY, HERTS, AL8 7BN

    Received 4 Jul 2008
  11. Decided - Granted6/2025/0790/EMT

    Front 1 x Magnolia to reduce by 1.5m in height and 0.5m in width Rear Norway Maple to reduce by 1.5m height and 1m width Cherry to reduce by 1m height and width Eucalyptus to reduce height 4m & width 2m

    42 Turmore Dale Welwyn Garden City AL8 6HS

    Received 28 Apr 2025
  12. Decided - Granted6/2021/0682/EMT

    Reduce 1 x Cherry Plum tree to boundary line, reduce 1 x Norway Maple by 1.2m and remove 2 low limbs

    42 Lady Grove Welwyn Garden City AL7 4DU

    Received 2 Mar 2021
  13. Decided - GrantedS6/2004/1186/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, EXTENSION TO REAR DORMER WINDOW, INSERTION OF FRONT DORMER WINDOW AND ADDITION OF PITCHED ROOFS TO EXISTING FRONT DORMER

    68 New Park Road, Newgate Street, Hertford, SG13 8RF

    Received 3 Aug 2004
  14. Decided - GrantedW6/2015/1235/EM

    Erection of a two storey side extension and a first floor rear extension

    106 Oakdale Welwyn Garden City AL8 7QX

    Received 10 Jun 2015
  15. Decided - GrantedN6/2008/1855/DS

    DISCHARGE OF CONDITIONS 3 (MATERIALS) AND 4 (REVISED PLANS FOR ROOF LIGHTS) OF PLANNING PERMISSION N6/2008/0359/FP

    55 MARSDEN GREEN, WELWYN GARDEN CITY, AL8 6YD

    Received 3 Oct 2008
  16. Decided - GrantedS6/2007/1181/MA

    ERECTION OF DETACHED STABLE AND TACK ROOM

    FOXWOOD, TYLERS CAUSEWAY, NEWGATE STREET, HERTFORD, HERTS, SG13 8QN

    Received 7 Aug 2007
  17. Decided - Granted6/2016/2105/HOUSE

    Erection of front porch with alterations to openings. Erection of basement extension and terrace to rear. Enlargement of existing side conservatory.

    10 Hertford Road Digswell Welwyn AL6 0EB

    Received 6 Oct 2016
  18. Decided - Granted6/2023/1626/TPO

    3 x Oak- reduce by 20% (TPO170 G1) and 1 x Scots Pine reduce by 20% (TPO170 T3) as recommended to reduce the risk of subsidence

    61A Pine Grove Brookmans Park Hatfield AL9 7BL

    Received 7 Aug 2023
  19. Decided - Granted6/2022/2610/HOUSE

    The erection of a storage shed and the planting of 4 trees following the removal of the existing storage containers

    7 Danesbury Lane Welwyn Hertfordshire AL6 9SG

    Received 15 Nov 2022
  20. Decided - Granted6/2024/0069/HOUSE

    Erection of a single storey rear extension with rooflight following the demolition of existing garden shed and installation of rooflights on the rear roof slope to facilitate the conversion of the loft to habitable space

    63 Holwell Road Welwyn Garden City AL7 3RE

    Received 10 Jan 2024
  21. Decided - RefusedS6/2005/1320/FP

    DEMOLITION OF EXISTING DWELLING AND OUTBUILDINGS AND ERECTION OF REPLACEMENT 5-BEDROOM DWELLING AND DETACHED GARAGE.

    Vine Cottage Well Road Northaw Potters Bar EN6 4BL

    Received 18 Oct 2005
  22. Decided - Granted6/2018/2087/HOUSE

    Erection of a two storey rear, first floor side and single storey side extension, alterations to openings,demolition of chimney stack and erection of a front porch

    51 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 9 Aug 2018
  23. Decided - Refused6/2021/3110/FULL

    Change of use from single dwelling (C3) to HMO (C4)

    85 Drovers Way Hatfield AL10 0QB

    Received 1 Nov 2021
  24. Decided - Granted6/2024/1472/HOUSE

    Erection of part single part two storey rear extension, two storey side extension, single storey front extension, installation of render and fenestration alterations

    22 Bullens Green Lane Hatfield AL4 0QS

    Received 5 Aug 2024

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

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How to search planning applications

Guides to planning records

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  • 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.

  • 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.

  • 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.

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.

Check collection coverage