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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
31,725Searchable applications
303Recorded as pending
87%Approval rate · 26,494 approved or refused records
3,473Refused applications

23,021 approved · 3,473 refused · 1,675 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/2660/EM

    Erection of single storey front extension and garage roof extension to facilitate garage conversion, replacement of existing extension roof and alterations to openings

    23 Fordwich Road Welwyn Garden City AL8 6EX

    Received 17 Oct 2018
  2. Appeal Decided - Dismissed6/2019/0796/FULL

    Retention of building following part demolition of adjacent attached building

    Beavers Lodge Farm, Tylers Causeway, Newgate Street, Hertford, SG13 8QN

    Received 2 Apr 2019
  3. Decided - Withdrawn6/2019/1456/HOUSE

    Retention of front and side boundary walls

    43 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 17 Jun 2019
  4. Decided - WithdrawnW6/2014/2556/TE

    Crown lift one Acer tree and one Cherry tree to 3m and crown thin by 20% plus remove Holly Oak tree

    Attimore Hall, Ridgeway, Welwyn Garden City, AL7 2AD

    Received 3 Nov 2014
  5. Decided - Granted6/2020/1493/HOUSE

    Erection of first floor side extension and part garage conversion

    91 Pentley Park Welwyn Garden City AL8 7SL

    Received 24 Jun 2020
  6. Decided - Refused6/2022/2022/HOUSE

    Erection of part single and part two storey rear extension, part single and part two storey front extension, including porch canopy to side, and alterations to openings

    19 Birchall Wood Welwyn Garden City Hertfordshire AL7 2HL

    Received 31 Aug 2022
  7. Decided6/2018/2717/TPO

    Reduce crown of 1 x Eucalyptus tree (T1) by 50% and crown of 1 x Apple tree (T2) to previous reduction points -Conservation area

    26 Parkfields Welwyn Garden City AL8 6ED

    Received 23 Oct 2018
  8. Decided - Granted6/2021/0976/COND

    Submission of details pursuant to conditions 1 (Archaeological written scheme of investigation) & 2 (external surfaces samples) on planning permission 6/2020/3330/HOUSE

    10 Elmoor Close Welwyn AL6 9PF

    Received 25 Mar 2021
  9. Decided - Granted6/2020/3094/TPO

    Reduce 3 x Oak trees (G1) by 15% Reduce 1 x Hornbeam (G2) by 15% and crown lift to 3-4m Reduce 1 x Sweet Chestnut G2 by 15%

    1A Oaklands Rise Welwyn AL6 0RG

    Received 20 Nov 2020
  10. Decided - Refused6/2016/1043/EM

    Removal of hedges to front of property

    26 Thistle Grove, Welwyn Garden City, AL7 4AN

    Received 25 May 2016
  11. Decided - Granted6/2015/2540/HOUSE

    Erection of first floor side and rear extensions

    2 Cubitts Close Digswell Welwyn AL6 0DZ

    Received 30 Dec 2015
  12. Decided6/2021/0860/TC

    T1 Maple - fell. T2 Apple - reduce crown by 1-2m. T3 Holly - reduce height by 2m. T4 Yew - reduce height by 2-3m.

    18 Dellcott Close Welwyn Garden City AL8 7BD

    Received 17 Mar 2021
  13. Decided - Granted6/2021/1668/LB

    Installation of new and replacement doors and windows, blocking existing doors and windows, new metal mesh balustrading, internal alterations, relaying driveway, terrace and steps, erection of timber fence and gate.

    26 Pentley Park Welwyn Garden City AL8 7SB

    Received 25 May 2021
  14. Decided6/2024/1809/TC

    1 x Lawson cypress to remove in sections to ground level. Tree is extremely close to property and already it has been cut back. roots appear to be lifting the block paving

    13 Fearnley Road Welwyn Garden City AL8 6HW

    Received 19 Sept 2024
  15. Decided - Granted6/2018/1276/EM

    Erection of a single storey side and rear extension and rear dormer following demolition of existing garage and outbuilding

    6 Russellcroft Road Welwyn Garden City AL8 6QT

    Received 10 May 2018
  16. Decided - Granted6/2021/0236/HOUSE

    Single storey, part two storey rear extension and alterations to openings

    141 Oakdale Welwyn Garden City AL8 7QS

    Received 26 Jan 2021
  17. Decided6/2022/1545/OUTLINE

    Outline permission for the demolition of existing detached commercial building and replacement with 2 storey, 4 bedroom detached dwelling with basement level

    52A Great North Road Welwyn Garden City AL8 7TL

    Received 1 Jul 2022
  18. Decided - Granted6/2024/0783/EM

    Erection of single storey detached garden room

    59 Marsden Road Welwyn Garden City AL8 6YH

    Received 25 Apr 2024
  19. Decided - Granted6/2018/1666/LAWP

    Erection of single storey side extension

    Manor Cottage, Vineyards Road, Northaw, Potters Bar, EN6 4PQ

    Received 22 Jun 2018
  20. Decided - Granted6/2026/0325/FULL

    Alteration to southern highway access and adjacent internal roads

    The Galleria Comet Way Hatfield AL10 0XR

    Received 23 Feb 2026
  21. Decided - Granted6/2025/0112/HOUSE

    Erection of a first floor side extension

    43 St Albans Road East Hatfield AL10 0EJ

    Received 23 Jan 2025
  22. Decided - Granted6/2021/2366/HOUSE

    Erection of a loft conversion including insertion of 2 x sun pipes to front elevation of roof and insertion of 1 x rear facing dormer

    47 Butterwick Way Welwyn AL6 9GH

    Received 10 Aug 2021
  23. Decided - Granted6/2018/3130/HOUSE

    Erection of single storey rear extensions following demolition of rear conservatory and part garage conversion to habitable space

    20 Calder Avenue Brookmans Park Hatfield AL9 7AQ

    Received 10 Dec 2018
  24. Decided - Refused6/2020/1180/FULL

    Erection of a two storey side extension and subdivision of the plot to create a new 1 bedroom dwelling following demolition of existing garage

    38 Heron Way Hatfield AL10 8QX

    Received 27 May 2020

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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