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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1947/FULL

    Construction of outdoor swimming pool

    Great Nast Hyde House Wilkins Green Lane Hatfield AL10 9RB

    Received 24 Jul 2018
  2. Decided - GrantedS6/2009/1055/TP

    WORKS TO OAK TREES COVERED BT TPO 158 - REDUCE LATERAL BRANCHES OF TREE A; REDUCE CROWN OF TREE B BY 30%; DEAD WOODING OF TREES C,D,E & F

    63 PEPLINS WAY, BROOKMANS PARK, HERTFORDSHIRE, AL9 7UR

    Received 18 May 2009
  3. Appeal Decided - DismissedN6/2008/1471/EM

    ERECTION OF PART TWO STOREY, PART SINGLE STOREY SIDE AND REAR EXTENSIONS, REMOVAL OF WINDOW IN REAR ELEVATION AND INSERTION OF NEW WINDOW IN REAR ELEVATION

    22 Homestead Lane Welwyn Garden City AL7 4LU

    Received 16 Aug 2008
  4. DecidedN6/2009/0131/TC

    MAINTENANCE TO VARIOUS COUNCIL TREES AS PER ATTACHED SCHEDULE

    CAMPUS WEST CAR PARK, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BX

    Received 12 Jan 2009
  5. Decided - Granted6/2017/0037/COND

    Approval of details reserved by condition 6 (details of pedestrian gate) on planning application S6/2015/1034/MA.

    31 Salisbury Square Hatfield AL9 5JD

    Received 10 Jan 2017
  6. Decided - Refused6/2020/1205/PN8

    Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.5m in height and 2.75m to the eaves

    29 Haltside Hatfield AL10 9SW

    Received 29 May 2020
  7. Decided - Withdrawn6/2020/0506/LAWP

    Certificate of lawfulness for the replacement of outbuilding

    Skyborne 21 Kentish Lane Hatfield AL9 6NG

    Received 21 Feb 2020
  8. Decided - Granted6/2023/2150/EM

    Replace existing front door to white uPVC door

    1 Templewood Welwyn Garden City AL8 7HT

    Received 23 Oct 2023
  9. Decided - Granted6/2015/2089/LAWP

    Installation of a moveable timber shepherds hut building on iron wheels in the rear garden.

    Stocking Lane, Cottage Hill Farm Lane, Welwyn, AL6 9BW

    Received 23 Sept 2015
  10. Decided - Granted6/2025/0709/EMT

    Crown reduction 1 x hornbeam 25-30%.

    19 Edgars Court Welwyn Garden City AL7 3SR

    Received 14 Apr 2025
  11. Decided - GrantedN6/2012/2583/TC

    Removal of dead Beech tree

    4 Youngs Rise, WELWYN GARDEN CITY, AL8 6RU

    Received 5 Dec 2012
  12. Decided - WithdrawnN6/2007/1347/FP

    ERECTION OF NEW CHALET BUNGALOW FOLLOWING DEMOLITION OF EXISTING BUNGALOW AND DETACHED GARAGE

    10 Oaklea Welwyn AL6 0PU

    Received 10 Sept 2007
  13. Decided - Refused6/2025/1436/COND

    Submission of details pursuant to condition 1 (Samples of materials) & condition 4 (Management plan)) on planning permission 6/2025/0760/HOUSE

    111 The Ridgeway Cuffley Potters Bar EN6 4BG

    Received 7 Jul 2025
  14. Decided - GrantedW6/2007/1911/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION

    130 Longcroft Lane, Welwyn Garden City, AL8 6EN

    Received 13 Dec 2007
  15. Decided - Granted6/2015/1699/EM

    Reduce Sorbus tree by 50% located in front garden and reduce Plum Cherry tree and Cherry tree by 33% plus reduce height of 8 Conifer trees by upto 10ft located in rear garden

    20 Fordwich Road Welwyn Garden City AL8 6EY

    Received 7 Aug 2015
  16. Decided - GrantedN6/2007/1215/FP

    SINGLE STOREY SIDE EXTENSION, REAR CONSERVATORY AND RAISING OF ROOF TO FORM ADDITIONAL FIRST FLOOR ACCOMMODATION

    2 Heathbrow Road Welwyn AL6 0QG

    Received 10 Aug 2007
  17. Decided - GrantedN6/2013/2700/DS

    Discharge of Conditions 3 (Materials), 4 (Landscaping), 5 (Site levels/cross sections), 6 (Driveway construction), 9 (Method Statement), 10 (Gates) & 11 (Energy efficiency of planning permission N6/2013/2418/S73A.

    62 New Road Digswell Welwyn AL6 0AN

    Received 19 Dec 2013
  18. Decided - RefusedS6/2007/0192/FP

    ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION, ROOF ENLARGEMENT AND LOFT CONVERSION INCORPORATING REAR DORMER WINOW AND FRONT, SIDE AND REAR ROOFLIGHTS, FOLLOWING DEMOLITION OF EXISTING DETACHED GARAGE

    1 Theobalds Close Cuffley Potters Bar EN6 4HH

    Received 6 Feb 2007
  19. Decided - Granted6/2022/0089/HOUSE

    Erection of a first floor side/rear extension

    29 The Paddocks Welwyn Garden City AL7 2BW

    Received 14 Jan 2022
  20. Decided - Granted6/2023/0728/EM

    Replacement and extension of garage door

    24 Guessens Road, Welwyn Garden City, AL8 6RA

    Received 31 Mar 2023
  21. Decided - Granted6/2022/0073/FULL

    Construction of an extension to the existing building and amendments to car parking layout

    Duncan Print And Packaging Ltd Mundells Welwyn Garden City AL7 1EU

    Received 12 Jan 2022
  22. Decided - RefusedN6/2013/1292/FP

    Loft conversion to incorporate front, rear dormer windows, and roof lights. Works include demolition of 1 of 2 chimney stacks

    31 Digswell Road, Welwyn Garden City, AL8 7PB

    Received 19 Jun 2013
  23. Decided - Granted6/2025/2071/VAR

    Variation of Condition 3 (External Materials), 4 (Cycle Storage) & 8 (Plans) on planning permission 6/2025/0757/FULL

    Land & Buildings on the West side of Travellers Lane Welham Green Hatfield AL9 7HF

    Received 29 Sept 2025
  24. Decided - Granted6/2021/3299/EMH

    Relay and extend existing driveway and reposition front path

    8 The Valley Green Welwyn Garden City AL8 7DQ

    Received 22 Nov 2021

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

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    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