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
40,295Searchable applications
322Recorded as pending
86%Approval rate · 33,786 approved or refused records
4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2005/1349/FP

    INSTALLATION OF ATM.

    80 Haldens Welwyn Garden City AL7 1DD

    Received 25 Oct 2005
  2. Decided - GrantedW6/2015/1098/TE

    Removal of tree from garden

    21 Great Break Welwyn Garden City AL7 3EZ

    Received 2 Jun 2015
  3. Decided - Granted6/2017/1417/EM

    Demolition of rear outbuilding

    32 Parkway Welwyn Garden City AL8 6HQ

    Received 29 Jun 2017
  4. Decided - RefusedW6/2004/0421/EM

    CONVERSION AND SUB-DIVISION OF TWO TERRACED DWELLING HOUSES INTO FOUR 1 BEDROOM FLATS AND FORMATION OF NEW VEHICULAR ACCESS AND PARKING

    1 Haynes Close, Welwyn Garden City, AL7 3EP

    Received 19 Mar 2004
  5. Decided - Granted6/2020/0712/VAR

    Variation of conditions 5 (surface water drainage assessment) 18 (acoustic fencing) 21 (soft landscaping - planting and seeding) 22 (soft landscaping - boundary hedges) and 26 (drawing numbers) on planning permission 6/2018/3110/MAJ

    Ratcliff Tail Lifts Ltd site Bessemer Road Welwyn Garden City AL7 1ET

    Received 13 Mar 2020
  6. Decided - Granted6/2022/0485/HOUSE

    Erection of lower ground floor extension with terrace above, internal access via single storey ‘glass box’ extension. Lower ground floor terrace with external staircase to rear garden. Resubmission of planning consent 6/2021/0365/HOUSE

    7 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 1 Mar 2022
  7. Decided - Withdrawn6/2017/0007/EM

    Installation of 3m pavement crossover enlargement

    32 Hyde Way Welwyn Garden City AL7 3UQ

    Received 4 Jan 2017
  8. Decided - Granted6/2018/2307/ADV

    Installation of 1 x internally illuminated and 4 x non illuminated fascia signs

    ATS Euromaster Ltd 17 Tewin Road Welwyn Garden City AL7 1BD

    Received 7 Sept 2018
  9. Decided - Refused6/2020/2606/LAWE

    Certificate of lawfulness for the existing use of property known as "The House of Doors" as an independent self-contained residential dwelling for a continuous period in excess of 4 years

    Essendon Mill Low Road Essendon Hatfield AL9 6AD

    Received 8 Oct 2020
  10. Decided - RefusedN6/2012/2507/FP

    Erection of side extension and alterations to roof incorporating 1 dormer window and 3 roof lights

    5 Rosecroft Lane Welwyn AL6 0UB

    Received 30 Nov 2012
  11. Decided - GrantedC6/1987/7027/AD

    Illuminated signs

    The Cottage, Church Road, Welwyn Garden City, AL8 6PR

    Received 1 Jan 1987
  12. Decided - GrantedS6/2004/0455/FP

    ERECTION OF A SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION TO INCORPORATING DORMER WINDOWS

    46 King James Avenue Cuffley Potters Bar EN6 4LP

    Received 22 Mar 2004
  13. Decided - Granted6/2015/1923/HOUSE

    Erection of first floor side extension

    71 Peplins Way, Brookmans Park, Hatfield, AL9 7UT

    Received 15 Sept 2015
  14. Decided - Granted6/2021/1563/FULL

    Change of use and subdivision of existing unit (use Class A3) to create a market/off licence (use Class A1)

    13 Parkhouse Court Hatfield AL10 9RQ

    Received 17 May 2021
  15. Decided - WithdrawnS6/2008/2007/FP

    CHANGE OF USE OF NO.5 FROM TWO STOREY RESIDENTIAL DWELLING TO GROUND FLOOR DENTAL SURGERY TO BE USED IN CONJUCTION WITH EXISTING DENTAL SURGERY AT NO.7 INCLUDING ERECTION OF SINGLE STOREY REAR EXTENSION FOR PROPOSED TREATMENT ROOMS, AND FORMATION OF 2, 1 BED FLATS IN EXISTING 1ST FLOOR ACCOMMODATION AT NO.5 & 7, ALONG WITH ASSOCIATED VEHICULAR CROSSOVER FOR NEW PARKING AREA

    5 & 7 Birchwood Avenue Hatfield AL10 0PL

    Received 21 Oct 2008
  16. Appeal Decided - Allowed6/2022/1113/FULL

    Change of use from single dwelling (C3) to HMO (C4)

    55 Cherry Way Hatfield AL10 8LF

    Received 13 May 2022
  17. Decided - Granted6/2023/0272/HOUSE

    Extension of existing dropped kerb and hardstanding work

    11 Church Close Cuffley Potters Bar EN6 4LS

    Received 3 Feb 2023
  18. Decided - RefusedW6/2006/0014/EM

    ERECTION OF FIRST FLOOR SIDE EXTENSION

    24 Beehive Green, Welwyn Garden City, AL7 4BG

    Received 6 Jan 2006
  19. DecidedN6/2009/1224/TE

    LIGHT TRIM AND SHAPE CROWN OF LEYLAND CYPRESS TREE

    LAND ADJACANT TO, 2 KILWORTH CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3HR

    Received 22 Jun 2009
  20. Decided - Granted6/2017/1109/EM

    Erection of part single, part two storey rear extension following demolition of existing conservatory

    6 Longcroft Lane Welwyn Garden City AL8 6EA

    Received 22 May 2017
  21. Decided - Granted6/2024/1998/HOUSE

    Installation of dormer windows to the front and rear roof slope with raising of existing roof to alter the ridge height, hip to half-hip extension and to enlarge the front and rear gable with fenestration alterations

    4 Swanland Road North Mymms Hatfield AL9 7TG

    Received 17 Oct 2024
  22. Decided - Granted6/2016/1508/FULL

    Conversion of barn to one residential unit (amendment to planning permission S6/2012/0369/FP)

    Cucumber Barn, Cucumber Lane, Essendon, Hatfield, AL9 6JB

    Received 25 Jul 2016
  23. Decided - Granted6/2015/2262/TPO

    Felling of Beech tree covered by TPO 494

    72 Brockswood Lane, Welwyn Garden City, AL8 7BQ

    Received 6 Nov 2015
  24. Decided - Granted6/2025/1539/LB

    Replacement of two upvc windows on principle elevation with new timber, flush casement windows.

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

    Received 17 Jul 2025

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