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
38,565Searchable applications
335Recorded as pending
86%Approval rate · 32,227 approved or refused records
4,604Refused applications

27,623 approved · 4,604 refused · 2,094 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2015/1362/ADV

    Installation of an ATM machine through a brick wall to include an ATM fascia with black bezel surround with white lettering on black background and a blue LED halo illumination to ATM surround

    4 Parkhouse Court, Hatfield, AL10 9RQ

    Received 25 Jun 2015
  2. Decided - Granted6/2023/0149/COND

    Submission of details pursuant of condition 1(materials) and 2 (windows) on planning permission 6/2022/0774/HOUSE

    Pennyfathers Pennyfathers Lane Welwyn AL6 0EL

    Received 20 Jan 2023
  3. Decided - WithdrawnS6/2013/1847/FP

    Retention of boundary fence

    23 Brookside Crescent, Cuffley, Potters Bar, EN6 4QW

    Received 22 Aug 2013
  4. Decided - GrantedW6/2014/0032/TE

    Crown reduce Two Oak trees by upto 20%

    1 Densley Close, Welwyn Garden City, AL8 7JX

    Received 7 Jan 2014
  5. Decided - Granted6/2018/1526/HOUSE

    Erection of single storey rear extension and two storey side extension following demolition of rear and side conservatories

    12 Mardley Wood Welwyn AL6 0UX

    Received 7 Jun 2018
  6. Decided - Granted6/2020/1907/HOUSE

    Loft conversion including a small dormer to the rear and rooflights to the front, side and rear

    6 Reeves Court Welwyn AL6 9FU

    Received 3 Aug 2020
  7. Decided - Granted6/2025/2482/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension and conversion of the roof space to habitable use, including the construction of a rear dormer with a Juliette balcony, the installation of three rooflights to the front roof slope, and the alteration of the roof from hip to gable end

    81 Stonecross Road Hatfield AL10 0HW

    Received 27 Nov 2025
  8. Decided - GrantedS6/2014/0406/FP

    Erection of a replacement dwelling following demolition of existing dwelling and stables

    The Stables, Station Road, Welham Green, Hatfield, AL9 7SE

    Received 24 Feb 2014
  9. Decided - GrantedN6/2015/0451/FP

    Erection of single storey side and rear extensions and first floor rear extension

    39 Attimore Road, Welwyn Garden City, AL8 6LG

    Received 4 Mar 2015
  10. Decided - Granted6/2019/1111/EM

    Fell 1 x Eucalyptus Tree

    35 Sherrardspark Road Welwyn Garden City AL8 7JY

    Received 8 May 2019
  11. DecidedN6/2008/1727/TE

    REMOVAL OF HAWTHORN TREE, REDUCE ELM TREE BY 30%

    8 THE ORCHARD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PL

    Received 9 Sept 2008
  12. Decided - Granted6/2018/0276/HOUSE

    Erection of a single storey rear 'wraparound' extension

    90 Parkway Welwyn Garden City AL8 6HL

    Received 29 Jan 2018
  13. Decided - Granted6/2016/1381/ADV

    Installation of 1 illuminated fascia signs to both rear and front elevations

    Former Argos Direct Distribution Depot, 11 Bessemer Road, Welwyn Garden City, AL7 1GF

    Received 6 Jul 2016
  14. Decided - Granted6/2023/1625/HOUSE

    Erection of a two storey side extension

    68 Bramble Road Hatfield AL10 9SE

    Received 7 Aug 2023
  15. Decided - Granted6/2018/0049/PN8

    Prior approval for the erection of a single storey rear extension measuring 5m in depth, 3.30m in height and 2.90m to the eaves

    2 Croft Field Hatfield AL10 8DF

    Received 5 Jan 2018
  16. Decided6/2022/0869/TC

    T4 Ornamental cherry - fell as tree is dead. T35 Walnut - fell as tree is dead. Eucalyptus located next to walnut T35 - fell.

    6 Hall Grove Welwyn Garden City AL7 4PN

    Received 11 Apr 2022
  17. Decided - Granted6/2021/1097/COND

    Submission of details pursuant to condition number 9 (Community Use Agreement) on planning permission 6/2019/0085/MAJ

    Chancellors School Pine Grove Brookmans Park Hatfield AL9 7BN

    Received 6 Apr 2021
  18. Decided - RefusedN6/2008/2407/FP

    RETENTION OF SMOKING SHELTER

    The Chequers Inn 16 London Road Woolmer Green Knebworth SG3 6JP

    Received 8 Dec 2008
  19. Decided - Granted6/2023/0705/HOUSE

    Erection of a single storey rear extension

    17 Sutherland Avenue Cuffley Potters Bar EN6 4EQ

    Received 28 Mar 2023
  20. Decided - Granted6/2015/1836/HOUSE

    Formation of path and hardstanding

    20 Fearnley Road, Welwyn Garden City, AL8 6HW

    Received 1 Sept 2015
  21. Decided - Granted6/2016/1213/COND

    Approval of details reserved by condition 2 (samples of materials - mortar sample A and brick sample approved), condition 3 Archaeologists’ method statement for watching brief), condition 4 (sample panel of repointing and rebuilding of brickwork and water and stiff brush cleaning) on planning permission 6/2015/1623/LB

    The Mansion, North Mymms Park, Tollgate Road, North Mymms, Hatfield, AL9 7TR

    Received 19 May 2016
  22. Decided - GrantedN6/2013/2717/FP

    Erection of single storey rear extension and widened driveway

    8 The Valley Green, Welwyn Garden City, AL8 7DQ

    Received 20 Dec 2013
  23. Decided - Refused6/2026/0276/HOUSE

    Erection of a single storey rear extension and a single storey side extension following the demolition of an existing detached shed and attached W.C.

    47 Dixons Hill Close Welham Green Hatfield AL9 7EF

    Received 18 Feb 2026
  24. Decided - Granted6/2021/2221/EM

    Erection of a single storey rear extension, insertion of bi-folding doors to existing side elevation and replacement of existing front door.

    52 Woodland Rise Welwyn Garden City AL8 7LF

    Received 22 Jul 2021

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

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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