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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
31,367Searchable applications
303Recorded as pending
87%Approval rate · 26,169 approved or refused records
3,443Refused applications

22,726 approved · 3,443 refused · 1,661 withdrawn. Received dates in our records: 29 Apr 1948 to 13 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2278/HOUSE

    Erection of single side storey extension following demolition of existing to the same footprint

    109 Woodhall Lane Welwyn Garden City AL7 3TP

    Received 29 Jul 2021
  2. Decided - Split6/2017/2391/COND

    Submission of details pursuant to conditions 2f (details of trees, hedges and soft features to be retained and tree protection plan), 4a (site characterisation), 4c (implementation of approved remediation scheme), 4d (reporting unexpected contamination) , 11a (detailed engineering drawings of drainage with constructor specification), 11b (final calculations of required storage volume for drainage) on planning permission 6/2016/2706/MAJ

    Ponsbourne Riding School Newgate Street Hatfield SG13 8QS

    Received 18 Oct 2017
  3. Decided - GrantedN6/2015/0587/LUP

    Certificate of lawfulness for the proposed construction of a bin store for adjoining flats 1-14

    Land at, The Firs, Welwyn Garden City, AL8 7EA

    Received 18 Mar 2015
  4. Decided - Withdrawn6/2021/0710/EMH

    Garage conversion

    86 Herns Lane Welwyn Garden City AL7 2AH

    Received 3 Mar 2021
  5. Decided - Granted6/2025/0457/EM

    External cladding on our blank side wall. It will be rendered and so look the same, just a few inches further out

    12 Brockswood Lane Welwyn Garden City AL8 7BG

    Received 11 Mar 2025
  6. Decided - Granted6/2017/2419/VAR

    Variation of conditions 2 (Approved Plans and Details) & 7 (Noise Report and Mitigation Scheme) on planning permission N6/2014/2462/MA, Amendment to reduce base level of 2 no. balcony openings by 225mm on south elevation

    Anson Court Shackleton Way Welwyn Garden City AL7 2FF

    Received 20 Oct 2017
  7. Decided - GrantedS6/2015/0185/FP

    Change of use to form two dwellings with associated works

    Osborne House Farm, Hawkshead Road, Little Heath, Potters Bar, EN6 1LX

    Received 28 Jan 2015
  8. Decided - Refused6/2023/0121/LAWP

    Certificate of lawfulness for erection of single storey rear extension, two single storey side and rear extensions and two 2-storey rear extensions

    98 Harmer Green Lane Digswell Welwyn Hertfordshire AL6 0ES

    Received 18 Jan 2023
  9. Decided - Granted6/2016/0049/COND

    Approval of details reserved by conditions 14 (foundation designs) and condition 16 (ventilation) on planning permission N6/2014/0918/MA

    82 Bridge Road East, Welwyn Garden City, AL7 1JY

    Received 8 Jan 2016
  10. Decided - GrantedN6/2014/2347/DS

    Approval of details reserved by condition 3 (materials) of N6/2014/1186/FP

    8 Aldock, Welwyn Garden City, AL7 4QF

    Received 24 Oct 2014
  11. Decided - Granted6/2018/2538/EM

    Fell 1 x Ash tree

    Bellis House Welwyn Garden City AL7 3HR

    Received 3 Oct 2018
  12. Decided - GrantedS6/2013/1032/LB

    Retention of 9 non-illuminated signs (7 x 'Tariff' Signs, 1 x 'Entrance' Sign and 1 x 'Pay Here' Sign) and 2 pole mounted cameras

    Ramada Hatfield St Albans Road West Hatfield AL10 9RH

    Received 20 May 2013
  13. Decided - Granted6/2024/0104/HOUSE

    Erection of a single storey rear extension

    3 Croft Field Hatfield AL10 8DF

    Received 15 Jan 2024
  14. Decided - Granted6/2021/0832/EMH

    Part conversion of garage into habitable accommodation, chimney stack removal and alterations to windows/doors

    35 Elmwood Welwyn Garden City AL8 6LD

    Received 15 Mar 2021
  15. Decided - Withdrawn6/2022/2174/TC

    60ft Hornbeam to reduce by 30% - the tree is very large and close to the house

    49 Sherrardspark Road Welwyn Garden City AL8 7LD

    Received 20 Sept 2022
  16. Decided6/2022/2499/TC

    1 x Multi stemmed Hawthorn tree (T2): To reduce 2 large main stems growing over left hand boundary back to 1st main upright stems which are located approx. 2ft over neighbour's boundary line. (no12 Coneydale) And to reduce lateral branches in upper crown to balance. 0% reduction in overall height, 30-40% reduction in mass.

    10 Coneydale Welwyn Garden City AL8 7RZ

    Received 1 Nov 2022
  17. Decided - Granted6/2015/1585/FULL

    Replacement of windows, doors, first floor balconies and roof coverings to Woodhall House

    Woodhall House, Cole Green Lane, Welwyn Garden City, AL7 3PU

    Received 17 Jul 2015
  18. Decided - WithdrawnW6/2014/0625/EM

    Insulation and render applied to external walls

    10 High Oaks Road, Welwyn Garden City, AL8 7BH

    Received 27 Mar 2014
  19. Decided - Granted6/2023/1422/COND

    Submission of details pursuant to condition 5 (details of garden shed, sprinkler tank and pump house) and condition 6 (cycle shelter) on planning permission 6/2021/3489/MAJ

    The Woodside Centre The Commons Welwyn Garden City AL7 4DD

    Received 7 Jul 2023
  20. Decided6/2019/0294/TPO

    Reduce 2x Ash Trees by 40% -Conservation area

    9 Parkway Close Welwyn Garden City AL8 6HJ

    Received 8 Feb 2019
  21. Decided6/2021/1059/TC

    Fell 1x dead hornbeam tree

    Welwyn Garden City Campus Oaklands College The Campus Welwyn Garden City AL8 6AH

    Received 26 Mar 2021
  22. Decided - Granted6/2021/2642/LAWP

    Certificate of lawfulness for conversion of existing garage to habitable room and the replacement of a flat roof with a pitched roof below 4 metres high.

    48 Hazel Grove Hatfield AL10 9DP

    Received 9 Sept 2021
  23. Decided6/2025/1745/TC

    Beech hedge to cut back in line with neighbours to the left and trim the top Beech tree to reduce by 30% Crab apple tree to reduce by 30% Cherry tree to reduce by 30% Smoke bush to cut back from neighbour’s garden and reduce by 30%

    4 The Old Drive Welwyn Garden City AL8 6TB

    Received 18 Aug 2025
  24. Decided - Granted6/2017/2454/EM

    Formation of hardstanding to extend existing driveway

    12 Upperfield Road Welwyn Garden City AL7 3LW

    Received 19 Oct 2017

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

  • 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.

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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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