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27,623 approved · 4,604 refused · 2,094 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/0160/EM

    Reduce 1x Plum tree crown by 30%

    2 Parkfields Welwyn Garden City AL8 6ED

    Received 22 Jan 2020
  2. Decided - Granted6/2018/1262/EM

    Erection of a single storey rear extension

    34 Hyde Way Welwyn Garden City AL7 3AE

    Received 9 May 2018
  3. Decided - WithdrawnS6/2006/0602/FP

    ERECTION OF BUILDING FOR DOMESTIC STORAGE AND GARAGING

    Bedwell Lodge Cucumber Lane Essendon Hatfield AL9 6JB

    Received 10 May 2006
  4. Decided - GrantedN6/2013/1506/FP

    Erection of single storey side extension and loft conversion to incorporate three roof lights to south elevation, and one roof lights to north elevation

    213 St Albans Road West, Hatfield, AL10 0SZ

    Received 17 Jul 2013
  5. Decided - Granted6/2017/2104/MAJ

    ERECTION OF 54 RESIDENTIAL FLATS CONSISTING OF (19X 1 BED AND 35 X 2 BED), WITH ASSOCIATED ACCESS, CAR PARKING, AMENITY SPACE AND LANDSCAPING INVOLVING DEMOLITION OF EXISTING OFFICE BUILDING (B1)

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 19 Sept 2017
  6. Decided - Refused6/2023/0944/VAR

    Variation of condition 2 (Approved Plans) and removal of condition 16 (Kissing Gate) on planning permission S6/2012/1790/S73B

    Former Three Valleys Water site (now Peregrine Way) Bishops Rise Hatfield

    Received 3 May 2023
  7. Decided - GrantedS6/2013/0408/LUP

    Certificate of lawfulness for proposed loft conversion incorporating rear dormer window and one front roof light

    41 Broad Acres Hatfield AL10 9LE

    Received 28 Feb 2013
  8. Decided - RefusedN6/2008/1134/FP

    ERECTION OF TWO STOREY REAR AND SINGLE STOREY SIDE EXTENSIONS & ERECTION OF WALL BETWEEN SIDE EXTENSION AND SOUTHERN BOUNDARY

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

    Received 9 Jul 2008
  9. Decided6/2017/2787/TPO

    Fell 1 x Robina tree - Conservation area

    21 Valley Road Welwyn Garden City AL8 7DH

    Received 27 Nov 2017
  10. Decided - Granted6/2018/1574/HOUSE

    Erection of a part single storey and part two storey rear extension and conversion of loft

    77 Moffats Lane Brookmans Park Hatfield AL9 7RT

    Received 12 Jun 2018
  11. Decided6/2025/0259/TC

    Reduce 1 x Hornbeam by 2m with lifting of lower branches (T2). Reduce 1 x Multisteam Hornbeam by 4m (T4).

    52 Sherrardspark Road Welwyn Garden City AL8 7LB

    Received 12 Feb 2025
  12. Decided - GrantedW6/2008/0141/EM

    FORMATION OF VEHICLE HARDSTANDING

    36 THE WADE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4LG

    Received 24 Jan 2008
  13. Decided - GrantedN6/2013/2093/TC

    Removal of One Cherry tree and One Purple Norwegian tree

    94 Parkway, Welwyn Garden City, AL8 6HL

    Received 18 Sept 2013
  14. Appeal Decided - Dismissed6/2021/0569/PN10

    Prior approval for a change of use from an agricultural building to a single dwellinghouse

    7 Normans Lane Welwyn AL6 9TQ

    Received 22 Feb 2021
  15. Decided - Granted6/2024/1376/HOUSE

    Erection of a front extension to existing garage

    19 Hanyards Lane Cuffley Potters Bar EN6 4AT

    Received 18 Jul 2024
  16. Decided - GrantedN6/2010/0022/TE

    REDUCE HAWTHORN HEDGE IN HEIGHT AND LAYER LOWER LEVEL, REDUCE WHITEBEAM TREE BY 30% AND PRUNE TWO SILVER BIRCH TREES AND ONE CHERRY TREE BY 30%

    12 FORDWICH ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EY

    Received 12 Jan 2010
  17. Decided - GrantedS6/2009/2361/LB

    REPLACEMENT WINDOW TO SOUTH SIDE ELEVATION

    The Old Cottage Green Lanes Hatfield AL10 9BH

    Received 26 Oct 2009
  18. Decided - Refused6/2021/0450/LAWP

    Certificate of lawfulness for the removal and erection of internal block wall, and erection of cavity wall with a window in the garage door opening

    13 Lawrence Hall End Welwyn Garden City AL7 4FB

    Received 12 Feb 2021
  19. Decided - GrantedN6/2013/2364/OR

    Prior approval for change of use of both floors in office building (Use Class B1a) to self contained flats comprising of 40 x 1 bed apartments (Use Class C3)

    Highways House, 41-45 Broadwater Road, Welwyn Garden City, AL7 3AX

    Received 12 Nov 2013
  20. DecidedN6/2009/0997/TE

    REMOVAL OF MOUNTAIN ASH, CHERRY TREE AN APPLE TREE AND FOUR SMALL CONIFERS ALL FROM THE BACK GARDEN

    64 VALLEY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7DN

    Received 8 May 2009
  21. Decided - Granted6/2016/1228/FULL

    Alterations to front elevation to replace cladding and installation of 2no gates

    The Mayflower, Sloansway, Welwyn Garden City, AL7 1NB

    Received 20 Jun 2016
  22. Decided - Granted6/2023/0336/HOUSE

    Erection of two storey rear extension, single storey side and front extensions, front and rear dormer windows, increased roof ridge heights, elevational alterations and conversion of garage to provide ancillary living accommodation to the main house.

    10 Harmer Green Lane Digswell Welwyn AL6 0AX

    Received 13 Feb 2023
  23. Decided - GrantedN6/2014/2717/OR

    Prior approval for the change of use of three buildings from office (Use Class B1) to 133 residential dwellings (Use Class C3)

    Business Centre, Enterprise Centre, Development Park, Xerox, Bessemer Road, Welwyn Garden City, AL7 1HE

    Received 18 Dec 2014
  24. Decided - GrantedS6/2008/0162/TP

    REMOVAL OF DEAD WOOD TO OAK TREE COVERED BY TPO 326.

    23 Great North Road Brookmans Park Hatfield AL9 6LB

    Received 28 Jan 2008

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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    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