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
40,015Searchable applications
298Recorded as pending
86%Approval rate · 33,557 approved or refused records
4,792Refused applications

28,765 approved · 4,792 refused · 2,199 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/0299/EM

    Fell 3 x Leyland Cypress trees

    6 Ashcombe Welwyn Garden City AL8 7HQ

    Received 3 Feb 2020
  2. Decided - RefusedN6/2014/2464/FP

    Erection of single storey rear and first floor side extension and repositioning of garden gate

    8 Salisbury Gardens, Welwyn Garden City, AL7 3RS

    Received 10 Nov 2014
  3. Decided6/2021/2853/TC

    1 x Conifer to fell to ground level

    37 Digswell Road Welwyn Garden City AL8 7PB

    Received 5 Oct 2021
  4. Decided - Refused6/2019/2516/HOUSE

    Erection of single storey and part two storey side and rear extension with alterations to openings following demolition of side extension and shed

    31 Marley Road Welwyn Garden City AL7 4BT

    Received 9 Oct 2019
  5. Decided - Granted6/2018/2262/HOUSE

    Construction of timber framed outbuilding to the rear of property into gym, office and garden furniture storage.

    41 Longcroft Lane Welwyn Garden City AL8 6EB

    Received 31 Aug 2018
  6. Decided - Granted6/2019/2095/EM

    Erection of single storey rear extension

    2 Rollswood Welwyn Garden City AL7 4DG

    Received 22 Aug 2019
  7. Decided - GrantedN6/2015/0516/FP

    Change of use from class B1(a) offices to residential C3 to create 3 x 2 self contained flats

    40A High Street Welwyn AL6 9EQ

    Received 11 Mar 2015
  8. Decided - GrantedN6/2013/2567/FP

    Erection of two storey side extension and single storey rear extension and part garage conversion and enlargement of existing hardstanding

    4 Beehive Lane, Welwyn Garden City, AL7 4BA

    Received 4 Dec 2013
  9. Decided - GrantedN6/2014/0756/FP

    Replacement front dormer. Enlargement of rear dormer. Two rear and three front rooflights. Lantern style roof light to roof of rear bay.

    81 Warren Way Digswell Welwyn AL6 0DL

    Received 7 Apr 2014
  10. Decided - Granted6/2018/1487/HOUSE

    Erection of a two storey front extension

    19 East Ridgeway Cuffley Potters Bar EN6 4AW

    Received 4 Jun 2018
  11. Decided - RefusedS6/2009/1836/LU

    CERTIFICATE OF LAWFULNESS FOR THE LOCATION AND DIMENSIONS OF A PROPOSED OUTBUILDING COMPRISING OF A RECORDING STUDIO, ART STUDIO, AND ROOM FOR POTTERY, MODELS AND SCULPTURE MAKING.

    WOODHURST, CATTLEGATE ROAD, NORTHAW, ENFIELD, HERTFORDSHIRE, EN2 8AU

    Received 27 Aug 2009
  12. Decided - Granted6/2016/1119/HOUSE

    Erection of Single storey rear extension

    26 Bishops Rise Hatfield AL10 9HH

    Received 7 Jun 2016
  13. Decided - Granted6/2016/1271/EM

    Erection of ground floor rear extension and internal alterations

    23 Sherrardspark Road, Welwyn Garden City, AL8 7JW

    Received 23 Jun 2016
  14. Decided - RefusedS6/2007/1541/FP

    ERECTION OF FIRST FLOOR REAR EXTENSION AND ERECTION OF CANOPY TO FRONT ELEVATION

    9 GLEBE COTTAGES, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6HQ

    Received 18 Oct 2007
  15. Decided - Granted6/2026/0970/COND

    Submission of details pursuant of condition 2 (Odour and noise) on planning permission 6/2023/2449/FULL

    Huttons Marsden Road Welwyn Garden City AL8 6YG

    Received 2 Jun 2026
  16. Decided - Refused6/2017/1364/PN8

    Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.6m in height and 2.55m to the eaves.

    397 St Albans Road West Hatfield AL10 9RU

    Received 22 Jun 2017
  17. Decided - Granted6/2022/0909/FULL

    Subdivision of existing single unit into two units with a change of use from Hair Salon (Class E) to Hot Food Takeaway & Home Delivery (Sui Generis).

    24 Market Place Hatfield AL10 0LN

    Received 19 Apr 2022
  18. Decided - GrantedN6/2009/2373/TC

    CROWN REDUCE THREE APPLE TREES BY 30% PLUS THINNING OF THIRD APPLE TREE

    7 YOUNGS RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RT

    Received 29 Oct 2009
  19. Decided - Refused6/2024/0192/FULL

    Change of use from a dwelling house (Class C3) to a children’s home (Class C2)

    182 Dragon Road Hatfield AL10 9NZ

    Received 31 Jan 2024
  20. Appeal Decided - Dismissed6/2017/2964/MAJ

    Demolition of existing redundant structures and erection of single family dwellinghouse (within envelope of existing structures), together with associated tree planting scheme (part of Centenary Woods project sponsored by Woodland Trust); landscaping and car parking

    Blue Moon Paddock Woodfield Lane Brookmans Park AL9 6JJ

    Received 22 Dec 2017
  21. Decided - Granted6/2025/0433/EM

    Replacement roof including rooflights & ground floor rear extension

    39 Sandpit Road Welwyn Garden City AL7 3TW

    Received 7 Mar 2025
  22. Decided - Granted6/2021/1822/EMH

    Erection of a single storey rear extension

    1 Crossway Welwyn Garden City AL8 7EB

    Received 11 Jun 2021
  23. Decided - WithdrawnN6/2014/1786/FP

    Erection of two storey rear and side extension following demolition of garage and infill adjacent to main house

    21 The Avenue Welwyn AL6 0PW

    Received 11 Aug 2014
  24. Decided - RefusedN6/2015/0042/FP

    Erection of single storey garage

    36 The Avenue Welwyn AL6 0PP

    Received 13 Jan 2015

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