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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
30,817Searchable applications
303Recorded as pending
87%Approval rate · 25,663 approved or refused records
3,373Refused applications

22,290 approved · 3,373 refused · 1,638 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - Granted6/2022/0847/ADV

    Installation of 1 x fascia sign

    43 Howardsgate Welwyn Garden City AL8 6AP

    Received 7 Apr 2022
  2. Under Consultation6/2026/1688/EM

    Proposed portico to front and side entrances, new dormer windows to existing roof space, new/repositioned rooflights on main roof and new/repositioned windows on the rear elevation

    124 Parkway Welwyn Garden City AL8 6HN

    Received 24 Sept 2026
  3. Decided - Granted6/2021/3556/HOUSE

    Erection of single story extension following removal of garage and outbuilding.

    Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY

    Received 30 Dec 2021
  4. Decided - GrantedN6/2014/2058/FP

    Change of use from employment agency (A2 financial institutions) to dentist (D1 non-residential institutions)

    10 Howardsgate, Welwyn Garden City, AL8 6BQ

    Received 16 Sept 2014
  5. Decided - Granted6/2015/1842/EM

    Reduce two Thorn trees by 30%, reduce six Conifer trees to 2ft above shed, reduce Plum tree by 1m, reduce Conifer hedge to 8ft, reduce two mixed hedges by 8.4 inches and removal of Elder tree.

    256 Heronswood Road, Welwyn Garden City, AL7 3JQ

    Received 1 Sept 2015
  6. Decided - Granted6/2016/1161/HOUSE

    Erection of single storey rear and side extension

    13 Sweet Briar, Welwyn Garden City, AL7 3DU

    Received 13 Jun 2016
  7. Decided - Withdrawn6/2021/1886/HOUSE

    Erection of a two storey rear extension, part ground floor side extension and part garage conversion, construction of two front dormers and enlargement of existing front dormer following the removal of the existing chimney and the installation of ground and first floor side windows

    18 Moffats Lane Hatfield AL9 7RU

    Received 21 Jun 2021
  8. Appeal Decided - Dismissed6/2019/0319/FULL

    Erection of 1 x two-storey house with associated access

    15A Briary Wood Lane Welwyn AL6 0TE

    Received 12 Feb 2019
  9. Decided - Withdrawn6/2020/3375/HOUSE

    Erection of an outbuilding

    8 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 17 Dec 2020
  10. Decided - Granted6/2021/0348/TPO

    Reduce 1 x Douglas fir by 1.5m from tip ends and remove major deadwood and low dead branches. Reduce 1 x Douglas fir by 1.5m by height and 1.5m by tip ends and remove major deadwood and low dead branches and reduce height by 1.5m.

    16 Wendover Drive Welwyn AL6 9LT

    Received 4 Feb 2021
  11. Decided - Granted6/2015/2134/TPO

    Reduce Oak tree by 30% covered by TPO 298.

    9 Applecroft Road, Welwyn Garden City, AL8 6JZ

    Received 5 Oct 2015
  12. Decided - Refused6/2022/0881/EM

    Erection of single storey side extension

    82 Broadwater Crescent Welwyn Garden City AL7 3TU

    Received 13 Apr 2022
  13. Decided - Refused6/2016/2153/HOUSE

    Erection of single storey side and rear extension

    67 Heathcote Avenue Hatfield AL10 0RQ

    Received 14 Oct 2016
  14. Decided - RefusedW6/2014/0088/EM

    Installation of roof lights

    73 Knightsfield, Welwyn Garden City, AL8 7JE

    Received 10 Jan 2014
  15. Decided - Granted6/2017/0867/PN3

    Prior approval for the erection of agricultural farm track

    Land east of Cucumber Lane Essendon Nr Hatfield AL9 6JB

    Received 26 Apr 2017
  16. Decided - Granted6/2019/1092/EM

    Reduce 1 x Oak tree by 2m height & width Reduce 1 x Sycamore tree to 1.5m Reduce 3 x Lime trees by lifting to 3m

    Homerswood Primary and Nursery School Kirklands Welwyn Garden City AL8 7RF

    Received 7 May 2019
  17. Decided - Refused6/2020/0099/EM

    Formation of hardstanding

    20 Cherry Croft Welwyn Garden City AL8 7QU

    Received 15 Jan 2020
  18. Decided - GrantedN6/2013/2018/TP

    T1 Oak, crown reduction by 2-3m all round, T2 Oak, crown clean and shorten back overhang by 2m from neighbours garden, T3 Oak, reduce back to previous pruning points, T4 Oak, no works, dying hawthorn to fell, hornbeam by road to remove lowest limb, all covered by TPO 292 A1

    23 Woodland Way Welwyn AL6 0RX

    Received 16 Sept 2013
  19. Decided - Granted6/2023/0917/FULL

    Installation of two front dormers, one rear dormer to facilitate the conversion of the loft to habitable space to create 1 x 1bed flat and formation of new stairwell

    8A Crawford Road Hatfield AL10 0PG

    Received 28 Apr 2023
  20. Decided - Granted6/2024/1667/HOUSE

    Erection of a two storey front and first floor side and rear extensions, hip to gable roof extension, rear box dormer with loft conversion and front porch

    37 Bramble Road Hatfield AL10 9RZ

    Received 30 Aug 2024
  21. DecidedN6/2014/2172/TC

    Removal of one Cherry tree one Laurel tree and one Deciduous tree

    20 Wilkins Grove, Welwyn Garden City, AL8 6JS

    Received 3 Oct 2014
  22. Decided - GrantedS6/2015/0003/FP

    Erection of access ramp to community centre

    North Mymms Youth and Community Centre, Station Road, Welham Green, Hatfield, AL9 7PF

    Received 5 Jan 2015
  23. Decided - RefusedN6/2014/0433/FP

    Garage conversion to habitable accommodation

    4 Great Sampsons Field, Welwyn Garden City, AL7 1FW

    Received 27 Feb 2014
  24. Decided6/2017/2193/TPO

    1 x Norway Maple to reduce by 1.5m height by 1.5m width and 1 x Laurel to reduce by 3-4m height & trim sides - Conservation Area

    34 Heather Road Welwyn Garden City AL8 6XU

    Received 27 Sept 2017

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

  • 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.

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  • 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.

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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.

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    Published Updated

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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