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28,765 approved · 4,792 refused · 2,199 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/0733/EMT

    Fell 1 x Rowan tree

    255 Handside Lane Welwyn Garden City AL8 6TF

    Received 5 Mar 2021
  2. Decided - Granted6/2023/1635/LAWE

    Certificate of lawfulness for existing detached outbuilding comprising of garage and office and vehicle hardstanding

    50 Brocket Road Welwyn Garden City AL8 7TU

    Received 7 Aug 2023
  3. Decided - Granted6/2016/1777/HOUSE

    Erection of part two storey and part single storey rear extension

    136 Holwell Road, Welwyn Garden City, AL7 3RW

    Received 30 Aug 2016
  4. Decided - Refused6/2019/0882/OUTLINE

    Outline permission for residential development of site of up to 38 dwellings following demolition of the existing buildings and structures with all matters reserved apart from access

    Colesdale Farm Northaw Road West Northaw Potters Bar EN6 4QZ

    Received 11 Apr 2019
  5. Appeal Decided - Dismissed6/2016/1448/MAJ

    Erection of 10 flats and creation of car parking and amenity space following demolition of existing dwellinghouse

    1 Roe Green Close, Hatfield, AL10 9PD

    Received 18 Jul 2016
  6. Decided - Refused6/2015/2467/LAWP

    Certificate of lawfulness for single storey, pitched roof rear extension, of no more than 2.99m from rear wall and across whole of the back of property

    146 Salisbury Road, Welwyn Garden City, AL7 3SA

    Received 15 Dec 2015
  7. Decided - GrantedS6/2009/1698/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION

    8 Lockley Crescent Hatfield AL10 0TN

    Received 6 Aug 2009
  8. Decided - Granted6/2018/0641/EM

    Removal of wooden shed and install new metal shed size 2.6 x 1.8m.

    43 Springfields Welwyn Garden City AL8 6XT

    Received 7 Mar 2018
  9. Decided - Granted6/2019/1526/PN8

    Prior approval for the erection of single storey rear extension measuring 5.3m in depth, 4m height and 3m to the eaves

    25 Chantry Lane Hatfield AL10 9HS

    Received 18 Jun 2019
  10. Decided - GrantedW6/2010/0019/EM

    ALTERATION TO FENESTRATION ON PROPERTY AND ERECTION OF SINGLE STOREY SIDE EXTENSION FOLLOWING REMOVAL OF EXISTING GARAGE

    32 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JS

    Received 5 Jan 2010
  11. Decided - RefusedN6/2014/0615/FP

    Erection of two storey side extension, new pitched roof over retained section of garage and new detached garage following partial demolition of existing attached garage

    2 The Drive Welwyn AL6 0TR

    Received 25 Mar 2014
  12. Decided - Granted6/2022/2821/FULL

    Erection of a detached dwelling following demolition of existing dwelling

    17 Brookmans Avenue Brookmans Park AL9 7QH

    Received 13 Dec 2022
  13. Decided - Granted6/2017/0170/HOUSE

    Erection of single storey extension with disabled access following demolition of existing garage, provision of an external ramp to the rear and the raising of the existing patio by 125mm.

    2 Tanglewood Welwyn AL6 0RU

    Received 31 Jan 2017
  14. Decided - Granted6/2024/0633/HOUSE

    Erection of a single storey side extension

    109 Woods Avenue Hatfield AL10 8QQ

    Received 3 Apr 2024
  15. Decided - GrantedN6/2014/2559/FP

    Erection of single storey rear extension

    Home Meadow Community Centre, Peartree Lane, Welwyn Garden City, AL7 3UN

    Received 21 Nov 2014
  16. Decided - GrantedN6/2013/2563/DE

    Approval of reserved matters (access, appearance, landscaping, layout & scale) for residential development involving the erection of 54 houses within phase 2 of planning permission N6/2012/1778/OP

    The Frythe, 5 Digswell Hill, Welwyn, AL6 9AR

    Received 6 Dec 2013
  17. Decided - Granted6/2024/0776/FULL

    Widening of existing dropped kerb to commercial unit

    6 Southfield Welwyn Garden City AL7 4ST

    Received 25 Apr 2024
  18. Decided - GrantedN6/2009/2503/FP

    ERECTION OF SINGLE STOREY SIDE EXTENSION AND FRONT PORCH

    14 Great North Road Welwyn AL6 0PL

    Received 13 Nov 2009
  19. Decided - GrantedS6/2015/0535/DS

    Approval of details reserved by conditions 3 (landscaping), 4 (materials), 5 (bin store), 6 (site arrangement during construction), 7 (archaeological statement of investigation) of planning permission S6/2012/0369/FP and conditions 3 (materials), 4 (windows) and 6 (bat loft) of planning permission S6/2013/0951/LB

    Cucumber Barn, Cucumber Lane, Essendon, Hatfield, AL9 6JB

    Received 13 Mar 2015
  20. Under Consideration6/2025/1176/COND

    Submission of details pursuant to Condition 22 (Surface Water Drainage Scheme) on planning permission 6/2021/0516/VAR

    Land to North East of Welwyn Garden City Panshanger Welwyn Garden City AL7 2QJ

    Received 11 Jun 2025
  21. Decided - Split6/2020/0325/COND

    Submission of details pursuant to condition 2 (Scaled plan of both hard and soft landscape works) 4 (Drainage) 5(cross-sections) 10(external lighting) 11(Location and design of bins) on application 6/2019/2705/VAR

    29 Turpins Ride Welwyn AL6 0QU

    Received 5 Feb 2020
  22. Decided - Granted6/2017/0182/HOUSE

    Erection of single storey rear extension and porch plus garage following demolition of existing garage

    6 Dudley Hill Close Welwyn AL6 0QQ

    Received 1 Feb 2017
  23. Decided - GrantedN6/2004/0948/FP

    ALTERATIONS TO EXISTING ROOF TO INCLUDE REAR DORMER WINDOWS.

    31 Harmer Green Lane Digswell Welwyn AL6 0AS

    Received 23 Jun 2004
  24. Decided - GrantedN6/2015/0386/DS

    Approval of details reserved by condition 3 (Materials) and of N6/2014/2420/FP and condition 3 (Materials) of W6/2014/2422/EM

    39 Woodland Rise, Welwyn Garden City, AL8 7LJ

    Received 27 Feb 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

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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.

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