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
34,843Searchable applications
313Recorded as pending
87%Approval rate · 29,022 approved or refused records
3,870Refused applications

25,152 approved · 3,870 refused · 1,813 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/1684/HOUSE

    Erection of part single, part two storey side and rear extension, to include replacement of garage doors and enlargement to existing driveway

    28 Barleycroft Road Welwyn Garden City AL8 6JU

    Received 25 Jun 2018
  2. Decided - GrantedN6/2008/1941/FP

    ERECTION OF SINGLE STOREY REAR EXTENSION, FOLLOWING DEMOLITION OF EXISTING EXTENSION

    54 Warren Way Digswell Welwyn AL6 0DN

    Received 9 Oct 2008
  3. Decided - Granted6/2020/2845/FULL

    Erection of single storey rear extension and erection of single dwelling

    12 Elm Drive Hatfield AL10 8NU

    Received 30 Oct 2020
  4. Decided - GrantedN6/2009/0282/FP

    ERECTION OF REAR CONSERVATORY

    20 Carleton Rise Welwyn AL6 9RF

    Received 6 Feb 2009
  5. Decided - Granted6/2024/0393/LAWP

    Certificate of lawfulness for the erection of a single storey rear extension with flat roof and parapet wall following the demolition of existing conservatory

    36 Mountway Close Welwyn Garden City AL7 4JZ

    Received 29 Feb 2024
  6. Decided - GrantedN6/2013/0100/S73B

    Time extension of planning permission N6/2009/2649/FP (Erection of two storey and single storey rear extension)

    104 Sloansway, WELWYN GARDEN CITY, AL7 1ND

    Received 15 Jan 2013
  7. Decided - Granted6/2018/1170/COND

    Submission of details pursuant to condition 7 (archaeological scheme of investigation) on listed building consent 6/2017/1247/LB, dated 16/08/2017

    Bush Hall Hotel Chequers Hatfield AL9 5NT

    Received 3 May 2018
  8. Decided - Granted6/2018/2303/EM

    Erection of a single storey and part two storey rear extension following the demolition of existing conservatory

    48 Bridge Road Welwyn Garden City AL8 6UR

    Received 7 Sept 2018
  9. Decided - WithdrawnN6/2014/0754/FP

    Erection of single storey rear extension

    226 Handside Lane, Welwyn Garden City, AL8 6TD

    Received 3 Apr 2014
  10. Decided - Granted6/2021/3201/HOUSE

    Erection of a single storey rear/side extension

    81 Sweet Briar Welwyn Garden City AL7 3EB

    Received 9 Nov 2021
  11. Decided - Refused6/2018/1752/HOUSE

    Erection of single storey front extension and porch, part single and part two storey side and rear extension following demolition of existing porch and rear conservatory

    19 Birch Grove Welwyn AL6 0QP

    Received 3 Jul 2018
  12. Decided - Granted6/2019/2430/MAJ

    Demolition of existing buildings and the erection 3 x buildings comprising of 71 x flats and 1,110 sqm of flexible commercial uses (use class: A1, A2, A3, A4, D1 & D2) (including a small office element (B1a)) and associated works to include car and bicycle parking, plant and refuse storage and public realm works

    1 and 1A Town Centre and 3-9 Town Centre Hatfield AL10 0JZ

    Received 1 Oct 2019
  13. Decided - Granted6/2025/0669/PN8

    Prior approval for the erection of a single storey rear extension measuring 3.4m in height, 4m in depth and 2.9m to the eaves

    4 Summer Dale Welwyn Garden City AL8 7QJ

    Received 7 Apr 2025
  14. Decided - Granted6/2025/0411/EM

    Front garden alterations including widening of driveway, addition of timber gates, with removal of some hedging and shrubs, plus new shed

    85 Handside Lane Welwyn Garden City AL8 6SH

    Received 5 Mar 2025
  15. Decided - GrantedS6/2015/1478/ADV

    Installation of two non illuminated signs

    Ivory House, High Road, Essendon, Hatfield, AL9 6HR

    Received 9 Jul 2015
  16. Decided - Granted6/2022/2275/PN8

    Prior approval for single storey rear extension measuring 3m in depth, 2.78m in height and 2.48m to the eaves

    8 Haynes Close Welwyn Garden City Hertfordshire AL7 3EP

    Received 30 Sept 2022
  17. Under Consultation6/2023/0057/COND

    Confirmation that all conditions associated with planning reference N6/1999/1026/FP have been fully discharged

    15 Bessemer Road Welwyn Garden City AL7 1HB

    Received 10 Jan 2023
  18. Decided - Granted6/2019/1976/EM

    Erection of a single storey side extension and alterations to fenestration

    23 Pentley Park Welwyn Garden City AL8 7RT

    Received 8 Aug 2019
  19. Decided - Refused6/2019/1769/LB

    Retention of single storey rear extension and 2x canopies

    Judge's, Judge's Hill Northaw Potters Bar EN6 4NL

    Received 17 Jul 2019
  20. Decided - Granted6/2015/2393/LAWP

    Certificate of lawfulness for a proposed loft conversion and installation of a dormer

    3 Coopers Road, Little Heath, Potters Bar, EN6 1JG

    Received 23 Nov 2015
  21. Decided - GrantedN6/2013/0907/S73A

    Variation of condition 9 (Approved Plans) from appeal decision APP/C1950/A/11/2153144 (planning application N6/2011/0271/FP) - Demolition of dwelling and erection of two five bedroom detached dwellings with associated parking

    42 Hertford Road Digswell Welwyn AL6 0DB

    Received 29 Apr 2013
  22. Appeal Decided - Dismissed6/2025/0824/HOUSE

    Removal of existing timber entrance gates and replacement with new double gates between brick piers

    5 Carbone Hill Northaw Potters Bar EN6 4PJ

    Received 29 Apr 2025
  23. Decided - Granted6/2022/0764/EM

    Replacement of gas boiler with 9kw heat pump at side of dwelling

    30 Youngs Rise, Welwyn Garden City, AL8 6RU

    Received 29 Mar 2022
  24. Decided - GrantedN6/2013/1462/FP

    Erection of single storey rear extension incorporating french doors

    15 Beehive Green, Welwyn Garden City, AL7 4BE

    Received 10 Jul 2013

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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Guides to planning records

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  • 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.

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