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
39,607Searchable applications
344Recorded as pending
86%Approval rate · 33,152 approved or refused records
4,742Refused applications

28,410 approved · 4,742 refused · 2,168 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/0550/EM

    Erection of a part single, part two-storey rear extension, part garage conversion and alterations to existing external openings, following demolition of existing conservatory and single storey rear extension

    22 Elmwood, Welwyn Garden City, AL8 6LE

    Received 20 Mar 2024
  2. Decided - Withdrawn6/2018/2204/HOUSE

    Erection of single storey rear extension

    35 Becket Gardens Welwyn AL6 9JE

    Received 24 Aug 2018
  3. Decided - Granted6/2023/2442/FULL

    Erection of a two storey dwelling following the demolition of the existing bungalow

    The Bungalow Great North Road Hatfield AL9 6DB

    Received 5 Dec 2023
  4. Decided - Granted6/2021/2515/PN8

    Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves

    6 Cattlegate Road Northaw Potters Bar EN6 4DL

    Received 27 Aug 2021
  5. Decided - Withdrawn6/2016/0870/LB

    Repairs and replacement to glazing units and doors at rear of property

    Digswell Water Mill Digswell Lane Welwyn AL6 0SW

    Received 5 May 2016
  6. Decided - GrantedE6/1974/7002/AD

    Internal illuminated sign

    Rear of, 32 Market Place, Hatfield, AL10 0LN

    Received 10 Jan 1974
  7. Decided - Refused6/2020/2821/HOUSE

    Construction of a domestic tennis court with surround fencing

    1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

    Received 28 Oct 2020
  8. Decided - Granted6/2023/0646/LAWP

    Certificate of lawfulness to install an inground swimming pool in the rear garden

    18 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 22 Mar 2023
  9. Decided - Granted6/2017/0541/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension with rear garden glazing (French sliding/folding doors), flat roof and installation of 2 rooflights.

    37 Springfields Welwyn Garden City AL8 6XT

    Received 15 Mar 2017
  10. Decided - GrantedN6/2013/2675/FP

    Erection of replacement rear conservatory

    Whitehill Cottages, 5 Whitehill, Ayot St Peter, Welwyn, AL6 9AE

    Received 24 Dec 2013
  11. Decided - GrantedW6/2013/0734/EM

    Reduce kitchen window dimensions and block up shed doorway

    154 Boundary Lane, WELWYN GARDEN CITY, AL7 4DF

    Received 15 Apr 2013
  12. Decided - GrantedN6/2008/2136/FP

    ERECTION OF SINGLE STOREY SIDE AND FRONT EXTENSIONS AND REPLACEMENT ROOF TO REAR EXTENSION

    Beacon House 50 New Road Digswell Welwyn AL6 0AH

    Received 11 Nov 2008
  13. Decided - Granted6/2016/0982/EM

    Erection of a rear conservatory

    47 Broadwater Crescent, Welwyn Garden City, AL7 3TS

    Received 19 May 2016
  14. Decided - Withdrawn6/2025/2405/TPO

    Fell 1 x Horse chestnut covered by TPO 874 (2023) T7

    Digswell Water Lodge Digswell Lane Welwyn AL6 0SN

    Received 17 Nov 2025
  15. Decided - Granted6/2025/2513/COND

    Submission of details pursuant to condition number 5 (Construction Traffic Management Plan), 7 (Crossing Point), 8 (Bus Stop Upgrade), 14 (Surface Water Management Plan), 15 (Contamination), 16 (Site Waste Management Plan), 17 (Fire Hydrants) and 18 (Accessible Housing) on planning permission 6/2023/2552/OUTLINE

    Land off London Road Woolmer Green SG3 6JZ

    Received 3 Dec 2025
  16. Decided - GrantedS6/2007/1744/TP

    WORKS TO TREES (LIMES G1 & HORSE CHESTNUT T2) COVERED BY TPO 381 G1 COMPRISING REDUCTION OF CROWN OF 13 NO LIME TREES BY 25% AND CROWN LIFT TO 6M OVER THE LIGHTWAY FOR HORSE CHESTNUT

    PONSBOURNE PARK, PONSBOURNE PARK, NEWGATE STREET VILLAGE, HERTFORDSHIRE, SG13 8QT

    Received 19 Nov 2007
  17. Decided - Granted6/2016/0442/PN8

    Prior approval for the erection of a dining room extension to existing kitchen, measuring 5.25m in depth, 2.85m in height and 2.75m to the eaves

    2 Rookery Cottages Great North Road Welham Green Hatfield AL9 5SF

    Received 9 Mar 2016
  18. Decided - GrantedN6/2004/1529/TP

    WORK TO OAK TREE T2 COVERED BY TPO 310

    1 Rollswood Road Welwyn AL6 9TX

    Received 11 Oct 2004
  19. Decided - Withdrawn6/2018/2499/MAJ

    Erection of a temporary freestanding building to provide an ancillary function room with catering facilities, toilets, access and car parking provision

    Ponsbourne House Ponsbourne Park Newgate Street Nr Hertford SG13 8QT

    Received 1 Oct 2018
  20. Decided - Withdrawn6/2021/3295/COND

    Submission of details pursuant of condition 2 (replacement of plans) from description of proposal 6/2020/1620/HOUSE

    5 Ryelands Welwyn Garden City AL7 4LH

    Received 22 Nov 2021
  21. Decided - GrantedS6/2008/2299/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION.

    10 Campion Road Hatfield AL10 9FB

    Received 2 Dec 2008
  22. Decided - Withdrawn6/2022/2142/FULL

    Change of use to takeaway restaurant (sui generis)

    3 High View Hatfield AL10 8HZ

    Received 14 Sept 2022
  23. Decided - GrantedS6/2014/0810/FP

    Erection of part two storey part single storey side and rear extension and addition of cladding.

    38 Thornton Road, Little Heath, Potters Bar, EN6 1JH

    Received 11 Apr 2014
  24. Decided - GrantedN6/2014/1372/FP

    Erection of rear garden shed

    46 Blakemere Road, Welwyn Garden City, AL8 7PJ

    Received 17 Jun 2014

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

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How to search planning applications

Guides to planning records

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  • 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.

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