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
39,858Searchable applications
298Recorded as pending
86%Approval rate · 33,418 approved or refused records
4,778Refused applications

28,640 approved · 4,778 refused · 2,186 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2021/3056/FULL

    Proposed alterations and side extension to western elevation of existing building.

    Four Oaks Great North Road Welwyn AL6 0PL

    Received 25 Oct 2021
  2. Decided - Granted6/2017/2135/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.025m in height and 2.475m to the eaves

    5 Rollswood Welwyn Garden City AL7 4DG

    Received 15 Sept 2017
  3. Decided - Granted6/2025/0963/TPO

    Tree 1,2,4,5,6,7,8,9,10 all Castanea sativa. All require deadwooding, epicormic removal. Tree 4/5 reduce back by 2 metres from house forming nice natural shape. 20 percent thin. Tree 3 Taxodium Distichum - deadwood only Tree 11 Quercus crown cleanse to remove major deadwood, crossing and diseased branches. 20 percent thin to open crown and increase better airflow and reduce wind loading.

    6 Pine Crest Welwyn AL6 0EQ

    Received 27 May 2025
  4. Under Consideration6/2025/2515/COND

    Submission of details pursuant to condition number 1 (Biodiversity) on planning permission 6/2025/0232/FULL

    Home Farm 15 New Park Road Newgate Street Hertford SG13 8RD

    Received 4 Dec 2025
  5. Decided - Granted6/2023/1816/EMT

    1 x Hornbeam to reduce by 2m height and 1m width

    17 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 30 Aug 2023
  6. Decided - RefusedN6/2005/1395/FP

    RETENTION OF BOUNDARY FENCE

    2 Orchard Road Welwyn AL6 9EX

    Received 7 Nov 2005
  7. Decided - Granted6/2022/0908/HOUSE

    Erection of single storey rear extension with flat roof

    65 Howlands Welwyn Garden City Hertfordshire AL7 4RA

    Received 19 Apr 2022
  8. Decided6/2023/1849/TC

    H1 Leyland cypress - to remove hedge. T1 English yew - crown reduce by up to 2m in radius and up to 5m in height o provide adequate clearance and daylight to the property. T2 English yew - crown reduce by up to 2m in radius up to 3m in height to prevent damage to property.

    17A Beehive Green Welwyn Garden City AL7 4BE

    Received 5 Sept 2023
  9. Decided6/2023/1689/TC

    1 x Lime to reduce by approximately 3m height & 2m width 1 x Robinia to reduce by approximately 2m in height from the highest point, reducing the width to balance shape.

    31-33 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 11 Aug 2023
  10. Decided - GrantedS6/2013/0543/NM

    Non material amendment following approval of planning permission S6/2012/1360/FP - Approved intergrated garage to be used for living room. Approved garage door to be replaced with window to match dwelling

    25 Church Lane, Northaw, Potters Bar, EN6 4NX

    Received 21 Mar 2013
  11. Decided - Refused6/2016/1080/EM

    Removal of Hornbeam tree located at front of driveway plus removal of low level fence and hedge on front boundary and change of hardstanding to gravel drive

    30 Mill Green Road, Welwyn Garden City, AL7 3XF

    Received 1 Jun 2016
  12. Decided - Refused6/2022/1692/COND

    Submission of details pursuant to condition number 19 (location, design and specification of refuse bin and recycling materials storage bins and areas to serve the residential units), on planning permission 6/2019/0217/MAJ

    Northaw House Coopers Lane Northaw Potters Bar EN6 4NG

    Received 18 Jul 2022
  13. Decided - Granted6/2016/0648/HOUSE

    Erection of part single storey, part two storey rear extension and alterations to existing elevations

    26 Cherry Croft, Welwyn Garden City, AL8 7QU

    Received 8 Apr 2016
  14. Decided - Granted6/2016/1766/EM

    Crown reduce Birch, Liquid Amber, and Hazel trees by 30% plus reduce Goat Willow tree to ground level

    16 Barleycroft Green, Welwyn Garden City, AL8 6JY

    Received 19 Aug 2016
  15. Decided - GrantedW6/2007/0461/EM

    ERECTION OF TIMBER FRAMED SUMMERHOUSE

    1 Scotts View, Welwyn Garden City, AL8 6HF

    Received 19 Mar 2007
  16. Decided - Withdrawn6/2024/1906/TPO

    T1. Ash - Behind the substation adjacent to the waste tyre store. Cut back the overhang by 4-5 metres, cutting to viable growth, and remove any deadwood G1. Mixed Trees - Cut back the overhanging Ash Trees to the fence line and remove the self-set Ash. Cut the Hawthorns adjacent to fence height and cut back the Ivy. T2. Oak - Lift the lower branches giving 3 metres clearance off the ground. Cut back the overhanging branches touching the building by 4-5 metres.

    Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF

    Received 4 Oct 2024
  17. Decided - GrantedN6/2013/1832/DS

    Discharge of conditions 3 (Materials), 4 (Landscaping), 5 (Tree Protection), 6 (Sections & Levels) and 7 (Construction Method Statement) of planning permission N6/2013/1240/FP - Erection of two detached houses with associated access, garaging and landscaping following demolition of existing bungalow

    11 Wendover Lodge Church Street Welwyn AL6 9LR

    Received 23 Aug 2013
  18. Decided6/2023/2423/TC

    2x Fir trees - cut down to stump level due to safety concerns including damage on the roof during high wind. The roots are damaging the property and trees are leaning towards no.63

    65 Blakemere Road Welwyn Garden City AL8 7PQ

    Received 1 Dec 2023
  19. Decided - Granted6/2025/0673/PN19

    Prior approval for the erection of a building for use as an agricultural store and agricultural machine store

    Hill View Farm Northaw Road West Northaw Potters Bar EN6 4QY

    Received 7 Apr 2025
  20. Decided - Granted6/2017/2453/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.6m in height and 2.55m to the eaves

    397 St Albans Road West Hatfield AL10 9RU

    Received 19 Oct 2017
  21. Decided - Refused6/2018/2067/COND

    Submission of details pursuant to condition 5 (method statement) and 25 (material samples of external surfaces) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 8 Aug 2018
  22. Decided - Granted6/2020/0757/HOUSE

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

    7 Strawberry Field Hatfield AL10 8LS

    Received 19 Mar 2020
  23. Decided - Refused6/2015/1986/HOUSE

    Erection of first floor rear extension and conversion of loft involving a rear dormer

    51 Pooleys Lane, Welham Green, Hatfield, AL9 7LG

    Received 23 Sept 2015
  24. Decided - Granted6/2015/1544/FULL

    and change of use of associated land to residential

    1-2 Hill Farm Cottages, Hill Farm Lane, Ayot St Lawrence, AL6 9BN

    Received 22 Jul 2015

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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Guides to planning records

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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.

  • 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.

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