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
40,075Searchable applications
300Recorded as pending
86%Approval rate · 33,611 approved or refused records
4,797Refused applications

28,814 approved · 4,797 refused · 2,204 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 30 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2015/1365/FP

    Erection of a 2m high timber close boarded fence over gravel boards following partial removal of 2.4m high boundary hedge

    25 Wendover Drive Welwyn AL6 9LT

    Received 24 Jun 2015
  2. Decided - Granted6/2024/1960/FULL

    Erection of a two storey side/rear extension and single storey rear extension, new enlarged roof, and loft conversion to facilitate conversion into 5 x 1-bedroom units. Associated landscaping and access, and provision of parking with associated alterations to the parking layout for 12 Tolmers Gardens

    11 and 12 Tolmers Gardens Cuffley Potters Bar EN6 4JE

    Received 11 Oct 2024
  3. Decided - Refused6/2021/3323/EM

    Erection of a single storey side and two storey rear extension

    2 Mannicotts Welwyn Garden City AL8 7BW

    Received 24 Nov 2021
  4. Decided - GrantedN6/2004/1588/FP

    CHANGE OF USE OF LAND AND BUILDING TO HAULAGE DEPOT AND ERECTION OF 5 METRE HIGH AERIAL

    LAND REAR OF, 21A BROADWATER ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3BQ

    Received 25 Oct 2004
  5. Decided - GrantedS6/2009/1578/FP

    PART SINGLE STOREY SIDE EXTENSION AND PART TWO STOREY REAR EXTENSIONS

    91 NORTHAW ROAD WEST, NORTHAW, POTTERS BAR, HERTFORDSHIRE, EN6 4NS

    Received 23 Jul 2009
  6. Decided - Granted6/2024/0446/HOUSE

    Erection of single storey rear extension

    9 Ground Lane Hatfield AL10 0HQ

    Received 8 Mar 2024
  7. Decided - RefusedW6/2007/0816/EM

    LANDSCAPING TO FRONT GARDEN TO CREATE ' IN' - 'OUT' DRIVEWAY AND HEDGE REPLACEMENT

    4 Thumbswood, Welwyn Garden City, AL7 4QE

    Received 7 Jun 2007
  8. Decided6/2020/2381/TC

    Removal of 2x shrub-like trees in front garden and removal of 1x flowering cherry tree in side garden.

    33 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 3 Sept 2020
  9. Decided - GrantedW6/2013/2391/TE

    Removal of Cherry tree from front garden

    37 Broomhills, WELWYN GARDEN CITY, AL7 1RG

    Received 30 Oct 2013
  10. Decided - Granted6/2019/0930/EM

    Erection of garage following demolition of existing garage.

    10 Willow Grove Welwyn Garden City AL8 7NA

    Received 17 Apr 2019
  11. Decided - GrantedS6/2006/0475/FP

    DEMOLITION OF EXISTING DWELLING AND GARAGE AND ERECTION OF SIX FLATS IN TWO BLOCKS, CAR PARKING AND BIN STORES

    2 GEORGES WOOD ROAD, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 7BZ

    Received 7 Apr 2006
  12. Decided - Granted6/2022/2487/TPO

    50ft Oak tree to reduce by 30% TPO 24 A3

    7 Hillside Way Welwyn AL6 0TY

    Received 31 Oct 2022
  13. Decided - Refused6/2017/0869/HOUSE

    Erection of two storey rear extension and front porch extension

    61 Forresters Drive Welwyn Garden City AL7 2JA

    Received 25 Apr 2017
  14. Decided - GrantedS6/2007/0333/FP

    SINGLE STOREY REAR EXTENSION.

    45 The Highland Northaw Road East Cuffley Potters Bar EN6 4LU

    Received 1 Mar 2007
  15. Decided - Granted6/2017/2440/EM

    Erection of single storey rear extension following demolition of existing conservatory

    10 Lodgefield Welwyn Garden City AL7 1SD

    Received 23 Oct 2017
  16. Decided - Granted6/2022/1404/PN14

    Prior approval for the demolition of existing dwelling

    61 New Road Digswell Welwyn AL6 0AL

    Received 17 Jun 2022
  17. Under Consideration6/2026/0817/HOUSE

    Extensions to the existing roof to form a crown roof, with rear dormer, insertion of rooflights and single storey side and rear extension

    33 Bradmore Way Brookmans Park AL9 7QY

    Received 11 May 2026
  18. Decided - Granted6/2017/2004/EM

    Erection of a garage and shed in rear garden.

    50 Thistle Grove Welwyn Garden City AL7 4AN

    Received 6 Sept 2017
  19. Decided - Granted6/2018/1031/EM

    Fell 1 x Apple tree (A) and 2 x Field Maple trees (B)

    104 Parkway Welwyn Garden City AL8 6HL

    Received 20 Apr 2018
  20. Decided - GrantedN6/2013/0163/FP

    Erection of single storey front extension

    1 Elmoor Close Welwyn AL6 9PF

    Received 24 Jan 2013
  21. Decided - Granted6/2019/1125/COND

    Submission of details pursuant to condition 8 (obscured glazing) on planning application 6/2016/1778/FULL and APP/C1950/W/17/3173234

    11 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QH

    Received 9 May 2019
  22. Decided - GrantedN6/2008/1684/TP

    REDUCE AND RESHAPE BY 30% AND CROWN THINNING OF 30% TO LONDON PLANE COVERED BY TPO 219 T1

    10 New Road Digswell Welwyn AL6 0AG

    Received 28 Aug 2008
  23. Decided - GrantedS6/2004/0819/FP

    ERECTION OF SINGLE STOREY FRONT EXTENSION

    14 Vineyards Road Northaw Potters Bar EN6 4PA

    Received 2 Jun 2004
  24. Decided - Refused6/2022/0529/HOUSE

    Construction of two rear dormers to facilitate the conversion of the loft to habitable space

    159 Parkway Welwyn Garden City AL8 6JA

    Received 7 Mar 2022

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