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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
29,519Searchable applications
307Recorded as pending
87%Approval rate · 24,507 approved or refused records
3,262Refused applications

21,245 approved · 3,262 refused · 1,569 withdrawn. Received dates in our records: 15 Jun 1948 to 13 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2025/2136/MAJ

    Temporary change of use for 10 years of buildings and land from General Industrial use to Classes B2 General Industrial Use and B8 Storage & Open Storage Use

    L Kahn Manufacturing Ltd Wellfield Road Hatfield AL10 0BS

    Received 7 Oct 2025
  2. Decided - Granted6/2020/0326/LAWE

    Certificate of lawfulness for the existing use of a HMO

    5 Chipmunk Chase Hatfield AL10 9GH

    Received 5 Feb 2020
  3. Appeal Decided - Dismissed6/2021/1247/FULL

    Retention of a temporary structure to the rear of the property

    The Coach And Horses 61 Newgate Street Village Hertford SG13 8RA

    Received 19 Apr 2021
  4. DecidedN6/2015/1260/DT

    Installation of a 12.5m pole including shrouded antennas, 3 no. equipment

    Land at Hall Grove, Welwyn Garden City, AL7 4PJ

    Received 16 Jun 2015
  5. Decided6/2024/0896/TC

    Remove 1 x Ash tree with dieback

    8 The Glade Welwyn Garden City AL8 7LG

    Received 14 May 2024
  6. Decided - Granted6/2022/0002/LAWP

    Certificate of lawfulness for two new outbuildings.

    2 Theobalds Road Cuffley Potters Bar EN6 4HQ

    Received 4 Jan 2022
  7. Decided - Granted6/2025/1709/TPO

    T1 - 1 x Sweet Chestnut to remove. Heavy decay around base. Leaning form G1 - Holly and Elm to remove to ground level. Elms are now declining, Hollies are becoming invasive and preventing ground regeneration of natural woodland species G2 - Ash saplings to remove to ground level. Group of self set leaning trees G3 - Holly, Sycamore and Laurel to remove to ground level. Dense, invasive trees preventing light to the garden and regeneration of native woodland species. T2 - Oak to reduce lateral branches over garden area by around 2m. To allow more light into rear of the garden and shorten overlong branches. T3 - Oak to reduce upper canopy lateral branches by around 1.5m to balance canopy shape and allow more light into the rear of the garden T4 - Oak to reduce lateral branches over shrub bed area, to allow more natural light to smaller trees and shrubs below T5 - Cherry to reduce by 1.5m height and width. To retain suitable size tree for location TPO 194

    Digswell Place South Lodge Rectory Road Welwyn Garden City AL8 7SU

    Received 11 Aug 2025
  8. Decided - Granted6/2019/1895/HOUSE

    Erection of a two storey side extension

    48 Salisbury Road Welwyn Garden City AL7 3SD

    Received 2 Aug 2019
  9. Decided - Granted6/2022/0782/HOUSE

    Erection of single storey rear extension

    31 Moffats Lane Brookmans Park Hertfordshire AL9 7RX

    Received 30 Mar 2022
  10. Decided - Granted6/2023/2547/FULL

    Erection of a replacement dwelling following the demolition of existing dwelling

    9 Mymms Drive Brookmans Park AL9 7AE

    Received 21 Dec 2023
  11. Decided - WithdrawnN6/2014/1845/FP

    Erection of single storey extension to existing garage

    40 Digswell Road, Welwyn Garden City, AL8 7PA

    Received 18 Aug 2014
  12. Decided - Granted6/2021/2219/COND

    Submission of details pursuant to condition 1 (sample of materials) on planning permission 6/2021/0503/HOUSE

    30 Tolmers Avenue Cuffley Potters Bar EN6 4QA

    Received 22 Jul 2021
  13. Decided - Refused6/2021/0575/FULL

    Use of land as an extension to the caravan site for the provision of an additional parking area for use in connection with the existing caravan park

    The Firs Park Woodside Lane Hatfield AL9 6DG

    Received 23 Feb 2021
  14. Decided - WithdrawnN6/2014/2200/HH

    Prior approval for a single storey rear extension

    21 Golden Dell, Welwyn Garden City, AL7 4EE

    Received 6 Oct 2014
  15. Decided - Granted6/2017/1107/HOUSE

    Erection of single storey rear extension following demolition of existing conservatory

    36 Knightsfield Welwyn Garden City AL8 7HA

    Received 22 May 2017
  16. Decided - RefusedN6/2014/1733/FP

    Erection of single storey and two storey rear extensions following demolition of existing conservatory

    3 Handside Green, Welwyn Garden City, AL8 6SQ

    Received 31 Jul 2014
  17. Decided - GrantedN6/2013/2147/FP

    Erection of single storey rear extension

    88 Pentley Park, Welwyn Garden City, AL8 7SG

    Received 7 Oct 2013
  18. Decided - Granted6/2022/1108/HOUSE

    Erection of part single, part two storey rear and side extension

    9 Welham Close Welham Green Hatfield AL9 7PP

    Received 12 May 2022
  19. Decided - Granted6/2015/2138/LAWP

    Certificate of lawfulness for the proposed erection of a single storey rear extension

    4 Hare Lane Hatfield AL10 8PP

    Received 20 Oct 2015
  20. Decided - GrantedS6/2014/1257/FP

    Erection of single storey side and rear extension, conversion of garage to accommodation and new roof form with front dormer, dormers to both sides and rear window to roof accommodation.

    51 Northaw Road East, Cuffley, Potters Bar, EN6 4LU

    Received 4 Jun 2014
  21. Decided - Granted6/2024/0753/HOUSE

    Erection of part single, part two storey rear extensions and alterations to the front elevation to include new pitched roof to the existing flat roof and removal of cladding.

    5 Thrush Lane Cuffley Potters Bar EN6 4JT

    Received 23 Apr 2024
  22. Decided - Withdrawn6/2019/0229/EM

    Installation of 1 x skylight and rear window

    49 Woodland Rise Welwyn Garden City AL8 7LJ

    Received 4 Feb 2019
  23. Decided - Refused6/2020/1170/LAWP

    Erection of outbuilding

    14 Stonecross Road Hatfield AL10 0HR

    Received 26 May 2020
  24. Decided - Refused6/2021/0478/HOUSE

    Erection of a single storey rear extension

    32 Somers Road Welham Green Hatfield AL9 7PX

    Received 15 Feb 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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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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