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
39,871Searchable applications
298Recorded as pending
86%Approval rate · 33,429 approved or refused records
4,779Refused applications

28,650 approved · 4,779 refused · 2,188 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2005/1592/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    1 Bluebridge Road Brookmans Park Hatfield AL9 7UP

    Received 23 Dec 2005
  2. DecidedS6/2009/2640/CD

    PROPOSED NEW EXTENSION TO PROVIDE 3 CLASSROOMS WITH ASSOCIATED STORE, CLOAK, WCS AND COMMUNITY ROOM AND THE PROVISION OF EXTERNAL CANOPIES OVER HARD PLAY AREAS

    Green Lanes Primary School Green Lanes Hatfield AL10 9JY

    Received 16 Dec 2009
  3. Decided - GrantedW6/2006/0701/EM

    ERECTION OF REAR CONSERVATORY

    28 Goblins Green, Welwyn Garden City, AL7 3ST

    Received 31 May 2006
  4. Decided - Refused6/2025/2610/HOUSE

    Erection of two-storey front, side and rear extensions with a crown roof and interal alterations following partial demolition of the existing dwelling

    40 Brookside Crescent Cuffley Potters Bar EN6 4QN

    Received 22 Dec 2025
  5. Decided - Granted6/2018/0318/TPO

    Reduce and shape 1 x Maple tree (T1) by 25 % or 2-3 metres and 2 x Oak tree (T2 and T3) by 25 % or 2-3 metres, reduce tips of Scarlet Oak tree (T4) and fell 1 x Maple tree (T5) and 1 x Cedar tree (T6) - covered by TPO 203 and 751 (2018)

    2 Oaklands Rise Welwyn AL6 0RG

    Received 30 Jan 2018
  6. Decided - Refused6/2023/1510/LAWP

    Certificate of lawfulness for a single storey side, two storey rear extension and alterations to hardstanding

    16 Carbone Hill Northaw Potters Bar EN6 4PL

    Received 19 Jul 2023
  7. Decided - Granted6/2020/0015/HOUSE

    Erection of single storey rear extension with partial garage conversion into habitable space

    25 Birchall Wood Welwyn Garden City AL7 2HL

    Received 7 Jan 2020
  8. Decided - RefusedN6/2004/1146/FP

    ERECTION OF DETACHED FIVE BEDROOM CHALET STYLE HOUSE.

    16 Chestnut Walk Welwyn AL6 0SB

    Received 26 Jul 2004
  9. DecidedN6/2013/2446/TC

    Fell Sycamore tree, Hawthorn tree and Cherry tree plus Crown reduce Sycamore tree by 40%, Cherry tree by 25% and prune laurel hedge by 25%

    8 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 4 Nov 2013
  10. Decided - Granted6/2023/0389/EM

    Formation of hardstanding across the front of the house (already existing partial block paved driveway)

    127 The Vineyard Welwyn Garden City AL8 7PX

    Received 20 Feb 2023
  11. Decided - Granted6/2024/1232/EM

    Replace the original front door canopy with a new canopy

    35 Digswell Park Road Welwyn Garden City, AL8 7NW

    Received 1 Jul 2024
  12. Decided - Refused6/2021/3239/HOUSE

    Conversion of existing integrated double garage to a habitable room and erection of a new detached double garage

    17 Heath Road Welwyn AL6 0TP

    Received 12 Nov 2021
  13. Decided - WithdrawnN6/2008/2197/CA

    ERECTION OF TWO SINGLE STOREY REAR EXTENSIONS AND ERECTION OF A GARDEN ROOM, REPLACEMENT PORCH FOLLOWING DEMOLITION OF EXISTING PORCH AND PART DEMOLITION TO FRONT ELEVATION OF GARAGE

    36 PARKWAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HQ

    Received 18 Nov 2008
  14. Decided - Withdrawn6/2021/3346/LAWE

    Certificate of lawfulness for the existing gate

    2 Barlow Close Hatfield AL10 9GZ

    Received 26 Nov 2021
  15. Decided - Granted6/2024/0271/EMT

    1 x Norway maple to reduce by approximately 1.5m in height and width - Growing in middle of small garden, they wish to retain size & shape 1 x Fir to reduce by 1.5m in height, reduce lateral branches over the lawn by around 1m. = Reduce crown to balance, other trees have caused biased canopy 1 x Cherry to reduce limbs towards driveway side by no more than 1m, with the aim of trying to provide more balance to the the crown. To provide more balance to canopy

    6 Woodland Rise Welwyn Garden City AL8 7LF

    Received 8 Feb 2024
  16. Decided - GrantedS6/2008/2091/FP

    ERECTION OF TWO STOREY FRONT AND SIDE EXTENSIONS AND SINGLE STOREY REAR EXTENSION

    9 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 5 Nov 2008
  17. Decided - Granted6/2021/0481/COND

    Submission of details pursuant to condition 14 (Archaeological Scheme) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 15 Feb 2021
  18. Appeal Decided - DismissedS6/2013/0465/LUP

    Proposed commencement of work pursuant to application S6/2010/3136/AG relating to an agricultural barn

    Friday Grove Farm, Hawkshead Lane, North Mymms, HATFIELD, AL9 7TF

    Received 28 Feb 2013
  19. DecidedN6/2012/2340/TC

    Works to trees - please see schedule

    Howardsgate, WELWYN GARDEN CITY, AL8 6AL

    Received 29 Oct 2012
  20. Decided - GrantedN6/2015/1172/FP

    Installation of a detached timber garden room

    68 Brockswood Lane Welwyn Garden City AL8 7BQ

    Received 1 Jun 2015
  21. Decided - GrantedN6/2015/0988/FP

    Erection of front porch, loft conversion and installation of new roof and internal alterations

    11 Wendover Drive Welwyn AL6 9LT

    Received 12 May 2015
  22. Decided - Granted6/2021/0560/COND

    Submission of details pursuant to condition 1 and 2 on planning permission 6/2020/1383/HOUSE

    8 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 22 Feb 2021
  23. Appeal Decided - Dismissed6/2018/1981/HOUSE

    Erection of single storey rear glass room

    9 Butterwick Way Welwyn AL6 9GH

    Received 26 Jul 2018
  24. Decided - Withdrawn6/2017/0207/HOUSE

    Erection of two storey rear extension

    29 Station Road Welham Green Hatfield AL9 7PQ

    Received 3 Feb 2017

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