PlanningTrack
Get started

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
40,256Searchable applications
321Recorded as pending
86%Approval rate · 33,751 approved or refused records
4,812Refused applications

28,939 approved · 4,812 refused · 2,214 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and buildingLocal plan Our Local PlanPre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation AreaArticle 4 directions Article 4 Directions

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 - GrantedS6/2008/0746/FP

    INSTALLATION OF FOUR WINDOWS IN FRONT ELEVATION

    ST ANDREWS CHURCH, PLOUGH HILL, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4DR

    Received 25 Apr 2008
  2. Decided - Granted6/2025/0703/COND

    Submission of details pursuant of condition 2 (Landscaping), 4 (Crown Roof), 5 (Bird Boxes and Bat access), 6 (Materials), 7 (Energy Statement) on planning permission 6/2024/1096/FULL

    69 Pine Grove Hatfield AL9 7BL

    Received 14 Apr 2025
  3. Decided6/2019/2596/TC

    Reduce crown 1x Hornbeam tree (T1) by 30%

    21 Sherrardspark Road Welwyn Garden City AL8 7JW

    Received 14 Oct 2019
  4. Decided - Granted6/2020/2274/COND

    Submission of details pursuant to condition 2 (contamination remediation scheme) on planning permission 6/2019/1851/VAR

    The Holdings, Cole Green Lane, Welwyn Garden City, AL7 4AL

    Received 7 Sept 2020
  5. Decided - RefusedN6/2013/1016/S73A

    Variation of condition 2 (Approved Plans) from planning application N6/2011/1532/FP - Erection of part two storey, part single storey rear and side extensions

    11 Vine Close, WELWYN GARDEN CITY, AL8 7PS

    Received 13 May 2013
  6. Decided - GrantedS6/2004/1650/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    48 Homestead Road Hatfield AL10 0QW

    Received 8 Nov 2004
  7. Decided - RefusedS6/2009/1439/LU

    CERTIFICATE OF LAWFULNESS FOR A PROPOSED FIRST FLOOR REAR EXTENSION AND ENLARGED LOFT CONVERSION

    15 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 9 Jul 2009
  8. Decided - Granted6/2026/0245/EM

    Replacement of existing chimney for fibreglass brick effect chimney

    9 Youngs Rise Welwyn Garden City AL8 6RT

    Received 11 Feb 2026
  9. Decided - Granted6/2019/1209/HOUSE

    Erection of a single storey rear extension with front porch

    60 Mill Green Road Welwyn Garden City AL7 3XF

    Received 16 May 2019
  10. Decided - Granted6/2024/1190/FULL

    Erection of replacement dwelling and associated landscaping following demolition of existing dwelling

    57 Great North Road Brookmans Park AL9 6LA

    Received 26 Jun 2024
  11. Decided - GrantedS6/2013/0561/AD

    Installation of 1 x fascia sign and 1 x aluminum projecting sign

    Clinton Cards, Unit 2, 41 Town Centre, HATFIELD, AL10 0JJ

    Received 15 Mar 2013
  12. Decided - GrantedC6/1987/0620/FP

    Single storey side and rear extension

    24 Cole Green Lane, Welwyn Garden City, AL7 3PW

    Received 1 Jan 1987
  13. Decided - Granted6/2020/3308/HOUSE

    Erection of single storey rear extension

    10 Burleigh Way Cuffley Potters Bar EN6 4LJ

    Received 9 Dec 2020
  14. Decided - Granted6/2023/0527/PN15

    Prior approval for the installation of 15.0m phase 8 monopole and associated ancillary works

    Albatross Way Hatfield Business Park Hatfield AL10 9GL

    Received 8 Mar 2023
  15. Decided - GrantedS6/2007/1763/FP

    ERECTION OF 8 FLATS, BIN AND CYCLE STORES, CAR PARKING, ACCESS AND AMENITY SPACE FOLLOWING DEMOLITION OF EXISTING DWELLING

    200 ST ALBANS ROAD WEST, HATFIELD, HERTFORDSHIRE, AL10 0ST

    Received 21 Nov 2007
  16. Decided - RefusedS6/2013/1171/FP

    Extension to existing roof conversion and single storey rear extension to replace existing conservatory

    23 Northaw Road East, Cuffley, POTTERS BAR, EN6 4LY

    Received 3 Jun 2013
  17. Decided - RefusedN6/2013/2548/LUP

    Certificate of lawfulness for the provision of concrete bases A & B

    Land at, Spinney Lane, Welwyn, AL6 9TB

    Received 26 Nov 2013
  18. Decided - Refused6/2020/3131/PN15

    Prior approval for the installation of a 20 metre high monopole, supporting 12 x antenna apertures and 2 x transmission dishes, installation of 7 x equipment cabinets and development ancillary hereto, following the removal of the existing telecommunications installation

    Land on south side of Knella Road (east of Junction with Mill Green Road) Welwyn Garden City AL7 3UU

    Received 24 Nov 2020
  19. Decided - GrantedS6/2007/1490/LU

    LOFT CONVERSION INVOLVING HIP TO GABLE ROOF ALTERATION AND REAR DORMER WINDOW

    23 MANOR ROAD, HATFIELD, HERTS, AL10 9LJ

    Received 11 Oct 2007
  20. Decided - Refused6/2021/2392/HOUSE

    Erection of a single storey part two storey side extension and first floor front, side and rear extension.

    20 Georges Wood Road Brookmans Park Hatfield AL9 7BT

    Received 13 Aug 2021
  21. Decided - Refused6/2020/3273/LAWE

    Certificate of lawfulness for the existing use of the property as a sui generis HMO with more than six residents

    136 Travellers Lane Hatfield AL10 8SS

    Received 7 Dec 2020
  22. Decided - GrantedS6/2015/0060/DS

    Approval of details reserved by condition 4 (details of windows and doors) of planning permission S6/2014/1564/FP and S6/2014/1566/LB

    7-15 Park Street, Hatfield, AL9 5AT

    Received 14 Jan 2015
  23. Decided - GrantedN6/2009/2467/TE

    REDUCE GINKO BILOBA TREE IN FRONT GARDEN BY 33% AND REDUCE LIME TREE CROWN BY 20% LOCATED IN REAR GARDEN

    55 VALLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7DH

    Received 18 Nov 2009
  24. Decided6/2020/0632/TC

    Fell 1x Birch Tree [T1] Fell 1x Willow Tree [T2]

    43 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 5 Mar 2020

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

View all applications

Applications by postcode area

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities