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England · Local authority

Welwyn Hatfield Borough Council
Planning applications.

Explore collected planning applications and decisions for Welwyn Hatfield Borough Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
24,611Searchable applications
313Recorded as pending
86%Approval rate · 20,174 approved or refused records
2,787Refused applications

17,387 approved · 2,787 refused · 1,294 withdrawn. Received dates in our records: 5 Jan 2005 to 2 Oct 2026. Most recent record check: 15 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Split6/2018/2829/COND

    Submission of details pursuant to condition 19 (contamination of the land protection measures) on planning permission 6/2017/2104/MAJ

    51 Bridge Road East Welwyn Garden City AL7 1JR

    Received 5 Nov 2018
  2. Decided - Granted6/2017/0521/EM

    Extension to existing hardstanding

    120, Howlands Welwyn Garden City AL7 4RG

    Received 16 Mar 2017
  3. Decided - Granted6/2017/0737/LAWP

    Certificate of lawfulness for the erection of loft conversion to include rear dormer, materials to match existing, with proposed tile hung cladding to dormer

    39 Beechfield Road Welwyn Garden City AL7 3RG

    Received 11 Apr 2017
  4. Decided - Granted6/2022/2269/FULL

    Erection of a prefabricated metal vehicle canopy.

    Porsche Centre 1 Hatfield Avenue Hatfield AL10 9UA

    Received 29 Sept 2022
  5. Decided - Granted6/2019/1038/EM

    Fell 1 x Eucalyptus tree

    42 Valley Road Welwyn Garden City AL8 7DN

    Received 29 Apr 2019
  6. Decided - Withdrawn6/2018/1576/EIA

    Request for a Screening Opinion at the Hawkshead Campus

    77 Hawkshead Lane North Mymms Hatfield AL9 7SZ

    Received 8 Jun 2018
  7. Decided6/2020/2129/INT

    Application for a pavement licence

    Bill's Restaurant 32 Howardsgate Welwyn Garden City AL8 6BJ

    Received 14 Aug 2020
  8. Decided - Granted6/2017/2531/TPO

    Reduce Douglas Fir tree branches by upto 3m and 4m in height of crown covered by TPO 294 (2004)

    15A Wendover Drive Welwyn AL6 9LT

    Received 31 Oct 2017
  9. Decided - Granted6/2023/0534/HOUSE

    Erection of new garden studio following demolition of existing shed

    2 Densley Close Welwyn Garden City Hertfordshire AL8 7JX

    Received 9 Mar 2023
  10. Decided - Granted6/2019/2189/EM

    Reduce 1 x Cherry tree by 2.5m height & width

    130 Howlands Welwyn Garden City AL7 4RG

    Received 3 Sept 2019
  11. Decided - Granted6/2025/0365/EM

    Insertion of window to front elevation

    10 Hyde Valley Welwyn Garden City AL7 4NA

    Received 26 Feb 2025
  12. Decided - Granted6/2024/1944/EMT

    Remove 2x Apple trees

    207 Handside Lane Welwyn Garden City AL8 6TE

    Received 10 Oct 2024
  13. Decided - Granted6/2023/0663/TPO

    T1 oak tree remove all deadwood and cut back from property to clear 2m. T3 beech tree lift to clear garage by 2m. (T2 oak and T4 pine deadwood is exempt from application) Trees covered by TPO 905 (2023)

    43 Canonsfield Road Welwyn AL6 0PY

    Received 24 Mar 2023
  14. Decided - Granted6/2019/2939/HOUSE

    Erection of a single storey side extension

    146 Brookside Crescent Cuffley Potters Bar EN6 4QL

    Received 21 Nov 2019
  15. Decided - Withdrawn6/2019/2777/LAWE

    Certificate of lawfulness for the existing minor internal alterations to two storey side extension

    1 Meadow Croft, Hatfield, AL10 0SG

    Received 4 Nov 2019
  16. Decided - Refused6/2022/1748/MAJ

    Erection of 3.5 storey block containing 22 flats and 18 underground parking spaces and associated landscaping.

    Former Wendover Lodge, Church Street, Welwyn, Herts. AL6 9LR

    Received 25 Jul 2022
  17. Decided - Granted6/2016/1859/HOUSE

    Erection of single storey side and part double storey side and rear extension following demolition of existing garage

    16 Selwyn Drive, Hatfield, AL10 9NJ

    Received 9 Sept 2016
  18. Decided - Granted6/2020/3418/MAJ

    Demolition of existing single dwelling and replacement with 37 dwellings (30 apartments and 7 houses, inc 12 affordable units) together with landscaping, amenity, revised pedestrian and vehicular access, car and cycle parking.

    Sandyhurst, 1 Welwyn By Pass Road, Welwyn AL6 9HT

    Received 18 Dec 2020
  19. Decided - Granted6/2019/0613/EM

    Fell 2 x unknown species trees

    11 The Quadrangle Welwyn Garden City AL8 6SG

    Received 15 Mar 2019
  20. Decided - Granted6/2016/0686/EM

    Installation of hardstanding, new front door access, including extension to porch and brick up lower part of front elevation to reduce height of window.

    204 Daniells, Welwyn Garden City, AL7 1QQ

    Received 13 Apr 2016
  21. Decided - Granted6/2024/0742/COND

    Submission of details pursuant of condition 2 (location of solar panels) on Ref: 6/2023/1212/HOUSE (Appeal REF:APP/C1950/D/23/3335878).

    6 Little Youngs Welwyn Garden City AL8 6SL

    Received 22 Apr 2024
  22. Decided - Granted6/2024/1231/HOUSE

    Erection of brick walls on existing conservatory, conversion of garage into a habitable space and replacement of roof to the conservatory and garage

    58 The Meadway Cuffley Potters Bar EN6 4ES

    Received 1 Jul 2024
  23. Decided - Granted6/2018/2424/HOUSE

    Erection of single story rear extension

    20 Pippens, Welwyn Garden City, AL8 7AB

    Received 21 Sept 2018
  24. Decided - Granted6/2020/0315/COND

    Submission of details pursuant to condition 1 (details of foundations) on planning permission 6/2019/2002/HOUSE

    20 Roe Green Close Hatfield AL10 9PE

    Received 4 Feb 2020

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

View all applications

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

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    Planning application documents: what to read first

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  • 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.

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  • 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.

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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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