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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 2 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2019/1474/LB

    Removal of various chattels from the building

    Brocket Hall Brocket Park Marford Road Lemsford Welwyn Garden City AL8 7XG

    Received 18 Jun 2019
  2. Decided6/2024/1181/TC

    1 x Cherry plum to reduce branches growing over neighbours side by 1.5m, Tree is causing a nuisance to the neighbour and cars parked

    69 Parkway Welwyn Garden City AL8 6JG

    Received 24 Jun 2024
  3. Decided - Granted6/2017/1917/TPO

    Fell 6 Hawthorn trees and lift mixed crowns by height of 5m plus remove any saplings encroaching A1000 covered by TPO 572 - G1 (2016)

    4 Speyhawk Place Little Heath Potters Bar EN6 1LE

    Received 25 Aug 2017
  4. Decided - GrantedS6/2014/2528/LUP

    Certificate of lawfulness for a proposed outbuilding

    Zither Great North Road Brookmans Park Hatfield AL9 6ND

    Received 18 Nov 2014
  5. Decided - Refused6/2020/3156/LAWP

    Certificate of lawfulness for the demolition of the existing single storey buildings/ structures as shown in red on the enclosed building demolition plan.

    5 The Frythe Frythe Avenue Welwyn AL6 9GG

    Received 25 Nov 2020
  6. Decided - RefusedS6/2005/1467/FP

    ERECTION OF FIRST FLOOR FRONT EXTENSION

    17 Green Lanes Hatfield AL10 9JT

    Received 28 Nov 2005
  7. Decided6/2018/1654/TPO

    Reduce 1 x Cherry Plum tree to 1m above previous point and repollard 4 x Lime trees - conservation area

    12 Guessens Road Welwyn Garden City AL8 6QR

    Received 22 Jun 2018
  8. Decided - GrantedS6/2015/0708/DS

    Approval of details reserved by condition 4 (parking) of planning application S6/2014/2217/FP

    10 Swanley Crescent, Potters Bar, EN6 1NQ

    Received 31 Mar 2015
  9. Decided - Granted6/2017/0586/LAWP

    Certificate of lawfulness to confirm that commencement started by way of demolition of annex before 10 April 2011 (for the erection of a dwelling following demolition of existing dwelling and annex) on planning permission S6/2007/1166/FP

    The View Carbone Hill Northaw Hertford SG13 8RG

    Received 22 Mar 2017
  10. Decided - Granted6/2025/0971/EM

    Proposed replacement shed for garden equipment and additional shed for bicycle storage

    104 Handside Lane Welwyn Garden City AL8 6SY

    Received 27 May 2025
  11. Decided - GrantedN6/2004/1334/FP

    ERECTION OF ONE HUNDRED AND TWENTY RESIDENTIAL UNITS AND ASSOCIATED WORKS

    LAND OFF, BLACK FAN ROAD, WELWYN GARDEN CITY, HERTS

    Received 27 Aug 2004
  12. Decided6/2018/2519/TPO

    Reduce crown of 1 x Oak tree by 1.5-2m and 5 x Conifer trees forming a large hedge by 2m in height - covered by conservation area

    5 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 28 Sept 2018
  13. Decided - Granted6/2021/2639/EMT

    Removal of speciman field maple

    10 Coneydale Welwyn Garden City AL8 7RZ

    Received 9 Sept 2021
  14. Decided - GrantedW6/2008/0882/EM

    ERECTION OF REAR CONSERVATORY

    131 BOUNDARY LANE, WELWYN GARDEN CITY, HERTS, AL7 4EQ

    Received 4 Jun 2008
  15. Decided - Granted6/2023/0816/EM

    Installation of a new front door

    46 Valley Road Welwyn Garden City AL8 7DN

    Received 17 Apr 2023
  16. Decided - Granted6/2017/0080/TPO

    1 x Apple tree to thin by 15% and reduce by around 1m - Conservation Area

    12 Mannicotts Welwyn Garden City AL8 7BW

    Received 17 Jan 2017
  17. Decided - Granted6/2017/1943/EM

    Erection of single storey side extension to provide garage and extended bedroom

    101 Attimore Road Welwyn Garden City AL8 6LG

    Received 31 Aug 2017
  18. Decided - Granted6/2025/0665/FULL

    Retrospective change of use to vehicle repair garage with ancillary MOT

    Unit 2 East Burrowfield Welwyn Garden City AL7 4TB

    Received 7 Apr 2025
  19. Decided - Granted6/2018/1811/VAR

    Removal of condition 3 (Fire Hydrants) on planning permission 6/2017/2001/FULL

    Warrenwood Manor Stables Building (part first floor) Warrenwood Manor stud Hornbeam Lane Brookmans Park AL9 6JF

    Received 9 Jul 2018
  20. Decided - Granted6/2021/0565/TPO

    Reduce 1 x Ash tree by 3m & reduce width to balance crown, reduce 1 x Beech tree by 2m, reduce/prune 4 x Fruit trees by 1m, reduce 1 x Cherry Plum tree by 1.2m, reduce Lawson Cypress by 2m covered by TPO

    13 Hillside Way Welwyn AL6 0TY

    Received 22 Feb 2021
  21. Decided - Granted6/2021/3076/EMT

    Hornbeam (T1) - Reduction by 30%. Peartree (T2) - Remove due to invested with Ivy, causing heavy shading and low amenity, will replace with a mix of Laurel and Photinia. Row of Conifer Trees (T3 to T12) - Remove due to being suppressed by bigger trees and excessive shading. Hornbeams (T13) - Reduction by 30%. Hornbeams (T14) - Reduction by 30%.

    192 Handside Lane, Welwyn Garden City, AL8 6TD

    Received 26 Oct 2021
  22. Appeal Decided - Allowed6/2019/0813/HOUSE

    Erection of two storey rear and first floor side / front extension, including alterations to openings

    5 Chedburgh Welwyn Garden City AL7 2PU

    Received 3 Apr 2019
  23. Decided6/2019/3050/TC

    Reduce 1 x Poplar tree by 3m

    29 Springfields Welwyn Garden City AL8 6XS

    Received 3 Dec 2019
  24. Decided - Granted6/2016/2625/HOUSE

    Removal and replacement of existing porch and addition of dormers and rooflights on roof to create new rooms in roof space

    7 The Drive Welwyn AL6 0TW

    Received 12 Dec 2016

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

All planning guides
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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.

Check collection coverage