England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
40,297Searchable applications
283Recorded as pending
86%Approval rate · 33,821 approved or refused records
4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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 - Withdrawn6/2016/0278/LAWP

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

    146 Salisbury Road, Welwyn Garden City, AL7 3SA

    Received 18 Feb 2016
  2. Decided - Granted6/2023/1226/COND

    Submission of details pursuant of condition 4 (fire hydrants) and condition 8 (external lighting) on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 9 Jun 2023
  3. Decided - GrantedS6/2013/2703/FP

    Retention of part courtyard walls and erection of new courtyard wall with railings

    Edge House, Kentish Lane, Brookmans Park, Hatfield, AL9 6NH

    Received 18 Dec 2013
  4. Decided - GrantedS6/2013/0921/LUP

    Proposed use of detached outbuilding as a granny annexe (ancillary to the main family dwelling house)

    17 Skimpans Close, Welham Green, HATFIELD, AL9 7PA

    Received 1 May 2013
  5. Decided - RefusedS6/2005/1448/FP

    ERECTION OF 3 BEDROOM DETACHED DWELLING

    LAND ADJACENT TO, 162 DIXONS HILL ROAD, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7DL

    Received 22 Nov 2005
  6. Decided - Granted6/2025/2169/EMT

    Red Oak - 2-3m crown reduction

    19 Dellcott Close Welwyn Garden City AL8 7BB

    Received 13 Oct 2025
  7. Decided - Granted6/2021/3147/EMT

    Remove 1 x palm tree and 1 x magnolia in the front garden

    58 Lemsford Lane, Welwyn Garden City, AL8 6YJ

    Received 3 Nov 2021
  8. Decided - GrantedS6/2004/0292/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION

    10 Hill Rise Cuffley Potters Bar EN6 4EE

    Received 27 Feb 2004
  9. Decided - Granted6/2020/0999/HOUSE

    Erection of a first floor side extension, increase in ridge height and alterations to existing roof to form a crown roof with a rear recessed balcony, roof lights and roof lantern, first floor front extension with porch and pitched roof to single storey side extension

    140 Tolmers Road Cuffley Potters Bar EN6 4JR

    Received 2 May 2020
  10. Decided - Refused6/2023/2407/EM

    Retrospective consent for improvements to front garden, installation of rails to extension and installation of awning

    38 Parkway Welwyn Garden City AL8 6HQ

    Received 29 Nov 2023
  11. Decided - Refused6/2016/2103/HOUSE

    Erection of garage and store room with associated works

    7 Rollswood Road Welwyn AL6 9TX

    Received 6 Oct 2016
  12. DecidedN6/2015/0253/DS

    Approval of details reserved by condition 3 (materials) and condition 4 (tree protection)

    15 Hillside Way, Welwyn, AL6 0TY

    Received 9 Feb 2015
  13. Decided - Granted6/2020/3234/EM

    Erection of a double storey rear extension

    6 Malmsdale Welwyn Garden City AL8 7QN

    Received 2 Dec 2020
  14. Decided - Refused6/2018/0297/LAWP

    Certificate of lawfulness for the erection of two single storey side extensions and an outbuilding

    Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ

    Received 30 Jan 2018
  15. Decided - Granted6/2015/2513/HOUSE

    Erection of a single storey side to rear and a two storey side extension involving conversion of garage into a habitable room

    53 Roe Green Close, Hatfield, AL10 9PF

    Received 21 Dec 2015
  16. Decided - GrantedS6/2005/1249/FP

    ERECTION OF TWO REAR CONSERVATORIES

    3 Starling Lane Cuffley Potters Bar EN6 4JX

    Received 6 Oct 2005
  17. Decided - Granted6/2025/1298/COND

    Submission of details pursuant to condition number 1 (construction methodology), on planning permission 6/2024/1342/RM

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 20 Jun 2025
  18. Decided - Refused6/2016/1554/HOUSE

    Erection of front porch and first floor side and rear extension

    20 Broadfield Road Woolmer Green Knebworth SG3 6LZ

    Received 29 Jul 2016
  19. Decided - Withdrawn6/2023/1972/EMT

    3 x Ash trees to fell as causing problems within the parking area

    68 Guessens Court Welwyn Garden City AL8 6RB

    Received 25 Sept 2023
  20. Decided - GrantedS6/2015/0265/AD

    Installation of 2020mm high full ATM surround, replacement of ATM with 1no. new ATM of same size and similar aesthetic. Installation of 3 fascia signs and 1 projecting/hanging signs

    NatWest, 35 Town Centre, Hatfield, AL10 0JU

    Received 10 Feb 2015
  21. Decided - Granted6/2024/1465/FULL

    Installation of an extraction system

    6 Harpsfield Broadway Hatfield AL10 9TF

    Received 2 Aug 2024
  22. Decided - Granted6/2016/0776/EM

    Removal of Ash tree

    52 Sherrardspark Road, Welwyn Garden City, AL8 7LB

    Received 25 Apr 2016
  23. Decided - Granted6/2021/3268/HOUSE

    Erection of a single storey rear extension and two storey rear extension

    Fountain View Great North Road Welwyn Garden City AL8 7TG

    Received 17 Nov 2021
  24. Decided - GrantedS6/2007/1789/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    97 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BG

    Received 23 Nov 2007

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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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.

  • 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.

  • 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.

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.

Check collection coverage