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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
26,960Searchable applications
304Recorded as pending
87%Approval rate · 22,202 approved or refused records
2,996Refused applications

19,206 approved · 2,996 refused · 1,438 withdrawn. Received dates in our records: 5 Jan 2005 to 8 Oct 2026. Most recent record check: 16 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2014/1714/LUE

    Certificate of lawfulness for existing use as storage and distribution (B8)

    Unit 3, Apex Point, Travellers Lane, Welham Green, Hatfield, AL9 7HF

    Received 30 Jul 2014
  2. Decided - Granted6/2020/1970/COND

    Submission of details pursuant to Conditions 2 (samples) and 4 (odour control systems) on planning permission 6/2019/2703/FULL

    The Rose And Crown 14 Church Street Welwyn AL6 9LX

    Received 7 Aug 2020
  3. Decided6/2025/2212/TC

    6 x large lime trees to cut back by 3-4 metres

    7 Handside Green Welwyn Garden City AL8 6SQ

    Received 20 Oct 2025
  4. Decided - Granted6/2020/0987/EMT

    Fell 1 x Silver Birch Tree

    1 Applecroft Road Welwyn Garden City Al8 6JZ

    Received 30 Apr 2020
  5. Decided - Granted6/2019/0333/HOUSE

    Retention for installation of rear dormer and front skylights to facilitate conversion of loft to habitable space

    4 Daisy Drive Hatfield AL10 9FR

    Received 13 Feb 2019
  6. Decided - Granted6/2018/2295/EM

    Reduce crown of twin stemmed Sycamore tree in rear garden.

    55 Attimore Road Welwyn Garden City AL8 6LG

    Received 6 Sept 2018
  7. Decided - Granted6/2022/2333/EMT

    T1 Birch tree rebalance with 6ft removal on West side, 4ft East side and 6ft top

    28 Coltsfoot Welwyn Garden City AL7 3HZ

    Received 5 Oct 2022
  8. Decided - Granted6/2020/2992/HOUSE

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

    122 Sweet Briar Welwyn Garden City AL7 3EA

    Received 13 Nov 2020
  9. Decided - Granted6/2023/0166/LAWP

    Certificate of lawfulness for loft extension

    55 Moffats Lane Brookmans Park AL9 7RT

    Received 23 Jan 2023
  10. Decided - Granted6/2020/1313/HOUSE

    Erection of detached garage

    2 Moffats Lane Hatfield AL9 7RU

    Received 10 Jun 2020
  11. Decided - Granted6/2024/1291/EMT

    G1 - Prunus x 4 - Cut back 4m to fence line

    60 Crossway Welwyn Garden City AL8 7EE

    Received 8 Jul 2024
  12. Decided - Granted6/2025/1092/EM

    Replacement of existing garage door and garage single side door

    19 Elmwood Welwyn Garden City AL8 6LD

    Received 9 Jun 2025
  13. Decided - Granted6/2017/0624/MAJ

    Erection of a 3 storey building for B8 (storage and distribution) (4,915 sq metres, gross external) and B1 (office/light industrial) (1,797 sq metres, gross external) use, together with 100 car parking spaces, 10 cycle parking spaces, boundary treatment, landscaping, lighting and access.

    Plot 5000, Hatfield Business Park, Hatfield, AL10 9EZ

    Received 27 Mar 2017
  14. Decided - Split6/2015/2100/COND

    Approval of details reserved by condition 3 (materials) and condition 4 (tree protection plan) on planning permission N6/2014/1307/FP

    7 Densley Close, Welwyn Garden City, AL8 7JX

    Received 12 Oct 2015
  15. Decided - Refused6/2022/2115/TPO

    Removal of 5 dangerous trees covered by TPO group 799 (2018) T18 - Oak tree to rear of property removal, T16 & T17 - 2 large sweet chestnut, T6 & T7 - 2 Large sweet chestnut trees to front of property, lifting paving and T12 - 1 Large sweet chestnut tree to right front side of property

    12 Briary Wood Lane Welwyn AL6 0TF

    Received 12 Sept 2022
  16. Decided - Granted6/2016/1546/EM

    Erection of two storey rear extension and single storey front extension with associated works

    17 Coneydale, Welwyn Garden City, AL8 7RX

    Received 27 Jul 2016
  17. Decided - Withdrawn6/2021/2016/PN11

    Prior approval for change of use from Use Class B1a (office) to Use Class C3 (dwellinghouse)

    31A Howardsgate Welwyn Garden City AL8 6PG

    Received 2 Jul 2021
  18. Decided - Granted6/2023/1766/ADV

    Installation of 1 x non-illuminated fascia sign and 1 x non-illuminated right hand side flat panel (retrospective)

    21-25 High Street Welwyn AL6 9EE

    Received 21 Aug 2023
  19. Decided - Granted6/2021/0365/HOUSE

    Construction of new lower ground floor extension with terrace above and internal access provided via new single storey ‘glass box’ extension and new lower ground floor terrace with external staircase to rear garden

    7 The Ridgeway Cuffley Potters Bar EN6 4AY

    Received 5 Feb 2021
  20. Decided - Granted6/2016/2091/EM

    Reduce 2 x Sycamore trees by 3m in height and 2.5m in width

    60 Valley Road Welwyn Garden City AL8 7DN

    Received 10 Oct 2016
  21. Decided - Granted6/2022/2508/FULL

    Subdivision of the existing dwelling into two dwellings

    14 Tolmers Road Cuffley Potters Bar EN6 4LA

    Received 2 Nov 2022
  22. Decided - Refused6/2017/0710/HOUSE

    Erection of part single/part two storey side extension and single storey front extension

    13 Parsonage Lane, Welham Green, Hatfield, AL9 7NB

    Received 7 Apr 2017
  23. Decided - Granted6/2024/0474/HOUSE

    Erection of a single storey rear extension with rooflights following the demolition of the existing conservatory and shed

    29 Springfields Welwyn Garden City AL8 6XS

    Received 11 Mar 2024
  24. Decided - Granted6/2020/0541/EM

    Erection of 3x dwellinghouses following demolition of existing house, bungalow and outbuildings

    15 Digswell Park Road Welwyn Garden City AL8 7NW

    Received 24 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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