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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
24,339Searchable applications
313Recorded as pending
86%Approval rate · 19,937 approved or refused records
2,763Refused applications

17,174 approved · 2,763 refused · 1,271 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0020/TPO

    Lime Tree (T2) - TPO565 (2016) T2 - Pollard removing approx. 30-40% of canopy.

    4 The Limes Welwyn Garden City AL7 4BD

    Received 5 Jan 2021
  2. Decided - Granted6/2018/2498/LB

    Internal and external alterations in connection with the change of use of the existing grade 2 listed building from office (B1) to 4 x residential flats (C3)

    1-5 Park Street Hatfield AL9 5AT

    Received 1 Oct 2018
  3. Decided - Granted6/2017/2880/LAWP

    Certificate of lawfulness for the erection of two single storey side and rear extensions, a single storey rear extension and an outbuilding.

    The Holdings Brocket Road Welwyn Garden City AL8 7TU

    Received 12 Dec 2017
  4. Decided - Granted6/2020/0014/HOUSE

    Erection of single storey side, rear and two storey side extensions, following demolition of existing rear extension with installation of rooflights

    24 Great North Road Welwyn AL6 0PS

    Received 7 Jan 2020
  5. Decided - Granted6/2020/2572/TPO

    Reduce 1 x Lime tree by 5 metres covered by TPO

    10 Welwyn Hall Gardens Welwyn AL6 9LF

    Received 5 Oct 2020
  6. Decided - Granted6/2022/2449/HOUSE

    Erection of two storey side and single storey rear extension

    44 Homewood Avenue Cuffley Potters Bar EN6 4QR

    Received 24 Oct 2022
  7. Decided - Withdrawn6/2016/1864/FULL

    Erection of new detached house following demolition of existing detached house

    58 Plough Hill, Cuffley, Potters Bar, EN6 4DS

    Received 8 Sept 2016
  8. Decided6/2021/2812/TC

    Cut down cypress tree at the back of the garden that the owner planted some 30 yrs ago

    47 Elmwood Welwyn Garden City AL8 6LD

    Received 29 Sept 2021
  9. Decided - Refused6/2022/1093/COND

    Submission of details pursuant of condition 1 (materials) on planning permission 6/2021/2819/FULL

    22 Ground Floor Parkway Welwyn Garden City Hertfordshire AL8 6HG

    Received 11 May 2022
  10. Decided - Refused6/2020/0855/LAWP

    Certificate of lawfulness for the erection of first floor side extension and a two storey rear extension, as well as the installation of roof lights

    33 The Avenue Welwyn AL6 0PW

    Received 8 Apr 2020
  11. Decided - Granted6/2025/0475/COND

    Submission of details pursuant to Condition 4 (Heat Pump) on planning permission 6/2023/1124/FULL

    2 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 13 Mar 2025
  12. Decided - Granted6/2021/0115/HOUSE

    Erection of a single storey side/rear extension, part two storey rear extension and walled patio area following demolition of original rear extension

    39 Great North Road Welwyn Garden City AL8 7TJ

    Received 15 Jan 2021
  13. Decided - Granted6/2025/0577/HOUSE

    Erection of part single storey and first floor rear extension, first floor extension above existing garage and alterations to the garage to create habitable accommodation with alterations to the fenestration and replacement roof to front dormer

    7 Coulter Close Cuffley EN6 4RR

    Received 26 Mar 2025
  14. Decided - Granted6/2022/0942/EM

    Installation of new french doors

    11 Hall Grove Welwyn Garden City AL7 4PJ

    Received 21 Apr 2022
  15. Decided - Granted6/2025/0005/FULL

    Change of use from amenity land to garden land with erection of boundary hedge and gate

    Land Adjacent to 33 Lemsford Village Lemsford Welwyn Garden City AL8 7TR

    Received 2 Jan 2025
  16. Decided - Split6/2019/0426/COND

    Submission of details pursuant to condition 2 (construction method statement), 9 (secure cycle parking) and 10 (refuse and recycling bins) on planning permission 6/2018/1519/MAJ

    34 Chequers Field Welwyn Garden City AL7 4QY

    Received 25 Feb 2019
  17. Appeal Decided - Dismissed6/2022/1097/OUTLINE

    Outline planning permission with all matters reserved except access, for up to 125 dwellings, a care facility for up to 60 bedrooms (Use Class C2), and a scout hut (Use Class F2)

    Land to the North of Bradmore Way Bradmore Way The Brookmans Estate Brookmans Park

    Received 11 May 2022
  18. Decided - Granted6/2026/0899/EMT

    4 x conifer reduce to 6ft (1.8m) height. 3 x self set ash, fell & poison. 2 x self set sycamore, fell & poison

    10 The Commons Welwyn Garden City AL7 4RP

    Received 20 May 2026
  19. Decided - Granted6/2021/2073/HOUSE

    Erection of single storey rear extension and two storey side extension.

    72 Hazel Grove Hatfield AL10 9DX

    Received 8 Jul 2021
  20. Decided - Granted6/2024/0493/EMT

    Line of Leyland cypress to reduce in height to leave 3.5-4m above ground level - see annotated picture

    19 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 13 Mar 2024
  21. Decided - Granted6/2018/2278/HOUSE

    Erection of a two storey rear extension and replacement front porch, installation of windows to facilitate garage conversion and roof alterations to facilitate conversion of loft to habitable space, following the demolition of existing conservatory

    66 Brookmans Avenue Brookmans Park Hatfield AL9 7QQ

    Received 6 Sept 2018
  22. Decided - Granted6/2022/1268/HOUSE

    Installation of front porch extension

    78-80 Talbot Road Hatfield Hertfordshire AL10 0QZ

    Received 30 May 2022
  23. Decided - Granted6/2020/1875/HOUSE

    Erection of a single storey rear extension

    6 Mardley Dell Welwyn AL6 0UR

    Received 29 Jul 2020
  24. Decided6/2021/0049/TC

    T1 Ash tree fell to ground level.

    Electricity Sub Station 26m from 4 St Marys Close 17m from St Marys Close St Marys Close Welwyn AL6 9RL

    Received 8 Jan 2021

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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