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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
40,146Searchable applications
300Recorded as pending
86%Approval rate · 33,676 approved or refused records
4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnS6/2007/1857/FP

    ERECTION OF TWO DWELLINGS FOLLOWING DEMOLITION OF EXISTING DWELLING.

    4 Station Road Welham Green Hatfield AL9 7PJ

    Received 4 Dec 2007
  2. Decided6/2020/0106/TC

    Reduce 1x Beech tree by 1m height & width

    15 The Valley Green Welwyn Garden City AL8 7DQ

    Received 16 Jan 2020
  3. Decided - Granted6/2020/0568/LAWP

    Certificate of lawfulness for the installation of window to facilitate conversion of garage into habitable space

    2 Marshmoor Cottages, Great North Road, Hatfield, AL9 5SD

    Received 27 Feb 2020
  4. Decided - Granted6/2019/1757/EM

    Erection of a single storey rear extension and installation of a roof light

    6 Whitethorn Welwyn Garden City AL7 3EX

    Received 16 Jul 2019
  5. Decided - Granted6/2021/0326/TPO

    T1 - Oak - Cut back side branches by 2-3m T2 - Holly - Fell to ground level to open up the garden G1 - Sweet Chestnut group - Lift branches up to 5m that overhang.

    3 Oaklands View Welwyn AL6 0RJ

    Received 2 Feb 2021
  6. Decided - Refused6/2024/1098/HOUSE

    Erection of first floor side extension, single storey rear extension and patio alterations

    19 Roe Green Lane Hatfield AL10 0SH

    Received 13 Jun 2024
  7. Decided - Withdrawn6/2017/1379/EM

    Installation of a satellite dish to side elevation

    87 Rosedale Welwyn Garden City AL7 1DP

    Received 26 Jun 2017
  8. Decided - Granted6/2018/1884/HOUSE

    Erection of first floor rear extension

    7 Mimram Road Welwyn AL6 9HA

    Received 18 Jul 2018
  9. Decided - Granted6/2019/1440/HOUSE

    Erection of a part single, part two storey rear extension and associated alterations

    19 Barleycroft Road Welwyn Garden City AL8 6JX

    Received 14 Jun 2019
  10. Decided - Granted6/2021/1491/HOUSE

    Erection of a single storey side and rear extension including demolition of existing conservatory, associated internal alterations, amendments to rear cladding and alterations to rear roof elements including new rooflights

    45 Endymion Road Hatfield AL10 8AT

    Received 11 May 2021
  11. Decided - Granted6/2022/1840/HOUSE

    Erection of a two storey front extension to form new entrance and erection of a single storey rear extension following the demolition of the existing conservatory

    27 Great North Road Brookmans Park Hertfordshire AL9 6LB

    Received 8 Aug 2022
  12. Decided - Split6/2021/2736/COND

    Submission of details pursuant to condition 28 (lighting) on planning application 6/2018/0171/MAJ

    Former Shredded Wheat Factory Welwyn Garden City AL8 6UN

    Received 22 Sept 2021
  13. DecidedN6/2008/1987/TC

    REMOVAL OF CANADIAN MAPLE FROM REAR GARDEN, REDUCTION OF HORNBEAM TREE IN FRONT GARDEN

    4 ASHLEY CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LH

    Received 15 Oct 2008
  14. Decided - Withdrawn6/2015/2350/EM

    Reduce Oak tree crown by 30%

    31 Reddings, Welwyn Garden City, AL8 7LA

    Received 18 Nov 2015
  15. Decided - Granted6/2024/1174/EM

    Proposed single storey rear conservatory

    5 Redwoods Welwyn Garden City AL8 7NR

    Received 24 Jun 2024
  16. Decided - Granted6/2023/2409/COND

    Submission of details pursuant to condition number 1 (details of crown roof), 2 (materials samples) and 4 (landscaping plans) on planning permission 6/2023/1412/FULL

    24 Mymms Drive Brookmans Park AL9 7AF

    Received 29 Nov 2023
  17. Decided - Granted6/2021/1967/EMT

    1. Cherry - reduce crown by 20% 2. Maple - reduce crown by 20% 3. Lawson Cypress - reduce height by 6-8ft.

    3 Coneydale Welwyn Garden City AL8 7RX

    Received 29 Jun 2021
  18. Decided - GrantedS6/2007/1011/FP

    ERECTION OF NINE APARTMENTS IN THREE BLOCKS WITH ASSOCIATED CAR PARKING AND LANDSCAPING.

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

    Received 3 Jul 2007
  19. Decided - GrantedS6/2004/0959/FP

    ERECTION OF TWO STOREY REAR EXTENSION AND ALTERATION TO ROOF WITH NEW DORMER WINDOWS.

    24 King James Avenue Cuffley Potters Bar EN6 4LR

    Received 24 Jun 2004
  20. Decided - Granted6/2015/1793/EM

    Erection of a garden shed in rear garden

    4 Nut Grove, Welwyn Garden City, AL8 7SQ

    Received 24 Aug 2015
  21. Decided - Granted6/2019/0093/LAWP

    Certificate of lawfulness for conversion of retail storage space at first floor to 2x dwellings

    41-43 Town Centre, Hatfield, AL10 0JJ

    Received 18 Jan 2019
  22. DecidedN6/2008/1735/TE

    MAINTENANCE TO ASH TREE IN REAR GARDEN

    2 FEARNLEY ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6HW

    Received 11 Sept 2008
  23. Decided - GrantedS6/2015/1022/FP

    Erection of a five bedroom dwelling following demolition of existing bungalow

    51 Tolmers Road Cuffley Potters Bar EN6 4JG

    Received 15 May 2015
  24. Decided - Refused6/2017/2571/HOUSE

    Retention of roof alterations on rear extension including installation of 2 x roof windows following demolition of rear outbuilding

    24 St Audreys Green Welwyn Garden City AL7 3RT

    Received 7 Nov 2017

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 approval rates: how to read council statistics

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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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