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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
19,399Searchable applications
298Recorded as pending
86%Approval rate · 15,675 approved or refused records
2,175Refused applications

13,500 approved · 2,175 refused · 982 withdrawn. Received dates in our records: 5 Jan 2005 to 30 Sept 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2019/3091/HOUSE

    Erection of first floor side extension with installation of 2 x roof lights including alterations to fenestration and formation of hardstanding

    43 Great Dell Welwyn Garden City AL8 7HP

    Received 6 Dec 2019
  2. Decided6/2020/2498/TC

    Reduce Apple (T1) crown by 2.5m

    4 Barleycroft Green Welwyn Garden City AL8 6JY

    Received 29 Sept 2020
  3. Decided - Granted6/2019/1625/LAWP

    Certificate of lawfulness for a hip to gable loft conversion, installation of a rear dormer window and insertion of 2 x front roof lights

    46 Bramble Road Hatfield AL10 9SA

    Received 3 Jul 2019
  4. Decided - Granted6/2024/1971/EM

    Combine single front dormers into one continuous to match existing street scene

    31 Reddings Welwyn Garden City AL8 7LA

    Received 14 Oct 2024
  5. Decided - Refused6/2019/1444/VAR

    Variation of condition 1 (approved plans and details) on planning permission 6/2016/0890/FULL

    West End Farm West End Lane Essendon Hatfield AL9 6AZ

    Received 14 Jun 2019
  6. Decided6/2018/3042/TPO

    Remove 1 x Conifer tree and 1 x lower branch from Ash tree and other minor branches which are fouling telephone wires - Conservation Area

    10 Ayot Green Ayot St Peter Welwyn AL6 9AB

    Received 28 Nov 2018
  7. Decided - Withdrawn6/2019/0848/COND

    Submission of details pursuant to conditions 1(materials samples ) 2 (scheme of landscape shall not be carried out other than in accordance with drawings 5339 213D and L003D) on planning ref 6/2017/1936/VAR

    8-16 Wendover Drive Welwyn AL6 9LT

    Received 9 Apr 2019
  8. Decided - Granted6/2018/2896/EM

    Removal of two bushes from front hedge

    17 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 12 Nov 2018
  9. Decided6/2019/2658/TC

    Fell 1 x Lawson Cypress tree T1

    19 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 22 Oct 2019
  10. Decided - Granted6/2022/2027/TPO

    2x large Oak trees to reduce by 30% - Close to the house and neighbours property along with excessive shading TPO 641 (2017) G4

    11 Mardley Heights Welwyn Hertfordshire AL6 0TX

    Received 1 Sept 2022
  11. Under Consultation6/2026/1645/HOUSE

    Erection of front porch and car port

    18 Great North Road Welwyn AL6 0PS

    Received 21 Sept 2026
  12. Decided - Refused6/2021/0586/LAWE

    Certificate of lawfulness for an existing use as a house in multiple occupation occupied by between three and six unrelated individuals, as their only or main residence, who share basic amenities such as a kitchen or bathroom.

    50 Eagle Way Hatfield AL10 8RE

    Received 24 Feb 2021
  13. Decided - Refused6/2020/1660/FULL

    Erection of part four, part single storey rear extension and erection of a mansard roof extension to facilitate the creation of six new residential dwellings formed of 2 x studio and 4 x 2b4p units. Ground floor to be changed from a A3 restaurant to a A4 drink establishment, three vehicle parking spaces and cycle and refuse storage internally

    12 Harpsfield Broadway Hatfield AL10 9TF

    Received 10 Jul 2020
  14. Decided6/2020/2128/INT

    Application for pavement licence

    Tealicious 83 Bradmore Green Hatfield AL9 7QT

    Received 14 Aug 2020
  15. Decided - Granted6/2025/1998/EM

    Eaves Loft Conversion, conversion of garage to habitable area, installation of windows to front elevation to new bedroom & existing WC, replacement of all other doors & windows, like for like replacement of roof coverings, fascias, soffits & guttering & flat roof rooflight to new shower room

    96 Lemsford Lane Welwyn Garden City AL8 6YL

    Received 17 Sept 2025
  16. Decided - Granted6/2022/0739/TPO

    TPO 468 (2011) T1 Sycamore to fell (dead). T2 Ash to fell (root pan has lifted thus dangerous).

    Land to the rear of 51 Pine Grove Brookmans Park Hertfordshire AL9 7BL

    Received 28 Mar 2022
  17. Decided6/2025/2098/TC

    13 Roundwood Drive Welwyn Garden City AL8 7JZ Reduce 3no. Leylandii (T16, T17 and T23) by 30%. Cut back lower branches to beech tree (T14) and 2no. hornbeam trees (T13 and T19) to crown lift by up to 3 metres.

    13 Roundwood Drive Welwyn Garden City AL8 7JZ

    Received 2 Oct 2025
  18. Decided - Granted6/2018/2863/FULL

    Erection of 6 residential units following demolition of existing dwelling, supporting structures and associated ancillary buildings

    36 The Ridgeway Cuffley Potters Bar EN6 4AX

    Received 7 Nov 2018
  19. Decided - Granted6/2021/0256/EM

    Erection of a single storey rear extension, following demolition of existing rear conservatory and partial demolition of detached outbuilding.

    44 Beehive Lane Welwyn Garden City AL7 4BP

    Received 27 Jan 2021
  20. Decided6/2019/2093/TC

    1 x Cherry to fell

    6 Applecroft Road Welwyn Garden City AL8 6LA

    Received 22 Aug 2019
  21. Decided - Granted6/2024/1289/FULL

    Erection of a new dwelling following demolition of existing dwelling

    99 Brookmans Avenue Brookmans Park AL9 7QG

    Received 8 Jul 2024
  22. Decided - Granted6/2026/0973/EMT

    1 x Whitebeam to reduce by approximately 1.5m height and 1.2m width.

    13 Handside Close Welwyn Garden City AL8 6SR

    Received 2 Jun 2026
  23. Decided - Granted6/2021/1571/EMT

    Reduce conifer hedge to 12ft high

    6 Willow Grove Welwyn Garden City AL8 7NA

    Received 17 May 2021
  24. Decided - Granted6/2022/2472/HOUSE

    Erection of single storey side infill

    31 Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 27 Oct 2022

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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