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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
22,192Searchable applications
295Recorded as pending
86%Approval rate · 18,020 approved or refused records
2,555Refused applications

15,465 approved · 2,555 refused · 1,144 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnW6/2015/0896/EM

    Change of use from offices (B1) to public house (A4)

    First And Part Second Floor 22 Parkway Welwyn Garden City AL8 6HG

    Received 27 Apr 2015
  2. Decided - Granted6/2017/1125/TPO

    Removal of Maple Tree covered by TPO 509 (2016)

    6 Copperfields Welwyn Garden City AL7 2HH

    Received 24 May 2017
  3. Decided - Granted6/2023/0167/FULL

    Change of use from amenity land to residential driveway and installation of hardstanding (retrospective)

    28 Briars Wood Hatfield AL10 8DG

    Received 24 Jan 2023
  4. Decided6/2026/0173/TC

    Outside number 2 1 x Silver birch to reduce back to previous (approximately 1.5 meters in height and width). Round carpark area and driveway 1 x Robinia to reduce back to previous (Approximately 2m in height 1.5m in width) 1 Hawthorn to reduce by 1m in height and width. 1 x Yew to reduce by 1.5m in height

    2 Holly Hall Court Church Street Welwyn AL6 9LH

    Received 2 Feb 2026
  5. Decided - Granted6/2020/0324/LAWE

    Certificate of lawfulness is sought for the conversion of a garage to a habitable room in breach of a parking condition

    5 Chipmunk Chase Hatfield AL10 9GH

    Received 5 Feb 2020
  6. Decided - Granted6/2025/2271/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.70m to the eaves

    3 Newstead Hatfield AL10 9DH

    Received 27 Oct 2025
  7. Decided - Granted6/2022/2277/HOUSE

    Erection of a single storey front extension, following demolition of existing porch and alterations to front window.

    69 Broomhills Welwyn Garden City AL7 1RE

    Received 30 Sept 2022
  8. Decided - Granted6/2017/1805/EM

    Removal of one trunk on Hazel tree

    60 Bridge Road Welwyn Garden City AL8 6UR

    Received 9 Aug 2017
  9. Decided - Granted6/2023/1372/EM

    Erection of a 4ft closeboard like for like fence around the front garden perimeter

    14 Kilworth Close Welwyn Garden City AL7 3HR

    Received 3 Jul 2023
  10. Decided - Granted6/2021/3372/PN8

    Prior approval for single storey rear extension measuring 4.5m in depth, 2.97 in height and 2.76 to the eaves

    13 Coney Close Hatfield AL10 8PR

    Received 30 Nov 2021
  11. Decided - Withdrawn6/2021/2195/FULL

    Construction of 2x two-storey detached houses and associated parking and access on the land to the rear of 52 & 54 Bridge Road.

    Rear of 52 and 54 Bridge Road Welwyn Garden City AL8 6UR

    Received 20 Jul 2021
  12. Decided - Granted6/2023/0399/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.85m to the eaves

    91 Wellfield Road Hatfield AL10 0BY

    Received 21 Feb 2023
  13. Decided - Granted6/2023/1883/EMT

    General tree maintenance on the following: T1 Conifer - reduce by 50% and reshape T2 Bay tree - reduce by 25% and reshape T3 & T4 Conifer - crown reduction by 20% T5 Yew Tree, T6 Silver Birch - crown reduction by 15% T7 Yew Tree crown reduction by 30%

    102 Handside Lane Welwyn Garden City AL8 6SY

    Received 11 Sept 2023
  14. Decided - Withdrawn6/2017/0722/TPO

    Fell 1 x multi stemmed Acer - Conservation Area

    Land adjacent to 1 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 10 Apr 2017
  15. Decided - Granted6/2020/2507/HOUSE

    Erection of pitched roof to existing single storey rear extension, including insertion of 3 x roof lights.

    3 Brooksfield Welwyn Garden City AL7 2BJ

    Received 30 Sept 2020
  16. Decided - Granted6/2021/1894/EM

    Installation of solar panels on garage roof

    34 Guessens Road Welwyn Garden City AL8 6RA

    Received 21 Jun 2021
  17. Decided - Granted6/2026/1092/LAWP

    Certificate of lawfulness for loft conversion

    37 Cecil Crescent Hatfield AL10 0HG

    Received 24 Jun 2026
  18. Decided - Granted6/2018/3037/LAWE

    Certificate of lawfulness for Woodlands (dwellinghouse) as a residential dwelling and use of the outbuildings on the site in an incidental manner in association with the dwelling

    Woodlands Coopers Lane Road Northaw Potters Bar EN6 4DJ

    Received 27 Nov 2018
  19. Decided - Granted6/2020/3189/TPO

    Oak - canopy reduction of around 25% and deadwood removal throughout.

    10 Copper Beeches Welwyn AL6 0SS

    Received 27 Nov 2020
  20. Decided - Granted6/2017/1200/HOUSE

    Erection of a single storey side and rear extension with the installation of 3 rooflights.

    5 Thornton Road Little Heath Potters Bar EN6 1JJ

    Received 1 Jun 2017
  21. Decided - Granted6/2021/1377/HOUSE

    Demolition of existing garage and erection of new garage with additional living accommodation within its roof, and accompanying structure connected to existing house. Creation of new timber decking to rear and alterations to fenestration on existing house.

    Harepark House Bibbs Hall Lane Ayot St Lawrence AL6 9BY

    Received 29 Apr 2021
  22. Decided - Granted6/2021/1198/EMT

    2 x Ash trees - reduce crowns by 1.5-2m all round

    241 Howlands Welwyn Garden City AL7 4HG

    Received 13 Apr 2021
  23. Decided - Granted6/2024/2133/FULL

    Installation of car sales pod in Morrisons supermarket car park

    Morrisons Supermarket 40 Black Fan Road Welwyn Garden City AL7 1RY

    Received 6 Nov 2024
  24. Decided - Withdrawn6/2023/2504/HOUSE

    Erection of rear extension, internal alterations and new access point and garage

    56 Bell Lane Brookmans Park AL9 7AY

    Received 15 Dec 2023

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

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    Planning application documents: what to read first

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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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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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