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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 31 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/1218/TC

    Removal of one Laurel Bush and one Conifer hedge

    92 Pentley Park, WELWYN GARDEN CITY, AL8 7SG

    Received 28 May 2013
  2. Decided - GrantedN6/2015/0590/FP

    Demolition of 2no garage blocks and erection of one 2 bedroom dwelling with associated parking

    Garage Site to Rear of, 10-12 Great Ganett, Welwyn Garden City, AL7 3DF

    Received 18 Mar 2015
  3. Decided - GrantedN6/2014/0390/TP

    To top the crowns (remove the apex of the crown) by 6 metres and crown lift to 4 metres. Trees T26 - T31 (Inclusive) Douglas Firs covered by TPO294

    17 Wendover Drive Welwyn AL6 9LT

    Received 22 Feb 2014
  4. Decided - RefusedN6/2007/0137/OP

    OUTLINE APPLICATION FOR MIXED USE DEVELOPMENT, INCLUDING EMPLOYMENT (B1)AND HOTEL & CONFERENCE CENTRE (C1),AND ASSOCIATED PARKING . ALL MATTERS RESERVED EXCEPT ACCESS AND SITING.

    LAND AT JUNCTION OF, BRIDGE ROAD EAST AND BESSEMER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7

    Received 25 Jan 2007
  5. Decided - GrantedN6/2014/1765/FP

    Erection of two storey rear extension following demolition of single storey outhouse

    9 Wilshere Road Welwyn AL6 9PU

    Received 7 Aug 2014
  6. Decided - Granted6/2024/2232/COND

    Submission of details pursuant to Condition 24 (SUDS Management and Maintenance Plan) on planning permission 6/2017/1641/MAJ

    Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB

    Received 20 Nov 2024
  7. Decided - Granted6/2024/0591/TPO

    Oak Tree T5 - remove adventitious growth halfway up the trunk with around 5 stems emerging from one place that makes the trunk unbalanced visually Oak Tree T6 - remove adventitious growth from ground level into start of main crown, approx 6m for stems approx 2-4 cm thick For safety, tree aesthetics and allowing light into garden I regularly remove the adventitious growth that occurs. TPO 119

    3 Hook Lane Northaw Potters Bar Hertfordshire EN6 4DA

    Received 26 Mar 2024
  8. Decided - Granted6/2016/1866/FULL

    Installation of two refrigerator condensing units

    6A Parkhouse Court, Hatfield, AL10 9RQ

    Received 9 Sept 2016
  9. Decided - Refused6/2020/2646/PIP

    Demolition of existing building construction of between 4 and 5 dwellings with associated car parking, access and landscaping

    16 School Lane Welwyn AL6 9PH

    Received 12 Oct 2020
  10. Decided - WithdrawnN6/2013/0321/FP

    Erection of single storey rear extension

    36 Marsden Green, WELWYN GARDEN CITY, AL8 6YB

    Received 11 Feb 2013
  11. Decided - Granted6/2022/0428/EM

    Erection of single storey home office and gym following partial demolition of existing garage and store.

    109 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 23 Feb 2022
  12. Decided - GrantedS6/2013/2016/TP

    Reduce crowns by 25% Ash T3 and Hornbeam T4, covered by TPO 209

    land at, 37-48 Lambs Close, Cuffley, Potters Bar, EN6 4HD

    Received 16 Sept 2013
  13. Decided6/2022/0670/TC

    1 x Oak to remove 2 x lowest limbs (see annotated picture) reduce remaining overhanging branches by 2.5m in width. 1 x Hornbeam to reduce overhanging branches by 2.5m in width

    10 Beehive Green Welwyn Garden City Hertfordshire AL7 4BE

    Received 21 Mar 2022
  14. Decided - GrantedW6/2013/2300/TE

    Removal of Dead Robinia tree

    23 Parkfields, Welwyn Garden City, AL8 6EE

    Received 5 Nov 2013
  15. Decided6/2018/0760/TPO

    Reduce 2 x Lombardy Poplars trees by 50% and 2 x Leylandi trees by 50% - conservation area

    12 Heather Road Welwyn Garden City AL8 6XU

    Received 21 Mar 2018
  16. Decided - GrantedN6/2008/2196/FP

    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
  17. Decided - WithdrawnN6/2014/2140/FP

    Erection of a single storey rear extension

    118 Holwell Road, Welwyn Garden City, AL7 3RW

    Received 30 Sept 2014
  18. Decided - Granted6/2020/1807/HOUSE

    Conversion of garage to habitable space, ground floor rear extension after demolition of existing conservatory and erection of first floor extension above and to the rear of garage

    24 Thistle Grove Welwyn Garden City AL7 4AN

    Received 23 Jul 2020
  19. Decided - GrantedS6/2005/1513/FP

    ADDITION OF TWO DORMER WINDOWS TO FRONT ROOFSLOPE

    14 Cranfield Crescent Cuffley Potters Bar EN6 4EA

    Received 6 Dec 2005
  20. Decided - RefusedN6/2006/0454/FP

    FIRST FLOOR AND SINGLE STOREY SIDE AND REAR EXTENSIONS

    25 Lady Grove Welwyn Garden City AL7 4DS

    Received 6 Apr 2006
  21. Decided - Granted6/2020/2867/PN8

    Prior approval for single storey rear extension with roof lantern.

    9 Barnard Green Welwyn Garden City AL7 3NG

    Received 1 Nov 2020
  22. Decided - WithdrawnC6/1988/7014/AD

    Illuminated fascia and projecting sign

    31 Stonehills, Welwyn Garden City, AL8 6NA

    Received 1 Jan 1988
  23. Decided - Refused6/2020/0362/HOUSE

    Erection of a single storey garage extension to facilitate garage into habitable space

    45 Robbery Bottom Lane Welwyn AL6 0UL

    Received 10 Feb 2020
  24. Appeal Decided - Dismissed6/2017/1524/FULL

    Demolition of the existing Dutch barn following alteration to the existing barn to include a new roof, an extension to the east of the building, new windows and openings following its part demolition and laying of hard surfacing to facilitate the storage of hay.

    Nyn Manor Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 13 Jul 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 permission drawings: how to read plans

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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.

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