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
40,250Searchable applications
321Recorded as pending
86%Approval rate · 33,746 approved or refused records
4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/1608/FULL

    Erection of two detached dwellings following the subdivision of the existing plot

    45 Hill Rise Cuffley Potters Bar EN6 4EH

    Received 22 Aug 2024
  2. Decided - Refused6/2019/1297/LAWP

    Certificate of lawfulness for an outbuilding

    Just House Coopers Lane Northaw Potters Bar EN6 4NJ

    Received 31 May 2019
  3. Decided - Granted6/2015/1889/COND

    Approval of details reserved by condition 3 (Structural Design Certificate), condition 11 (Foul and Surface Water Drainage), condition 16 (Petrol Interceptors) and condition 20 (Remediation Scheme) on planning permission S6/2011/1994/MA

    Salisbury Square Hatfield AL9 5AF

    Received 8 Sept 2015
  4. Decided6/2022/1309/TC

    (T1) - Ash: Currently is approximately 8m tall. Proposing to reduce the crown by up to 3m, back to previous pruning points. (G1) - 2x Cypress: Currently is approximately 12m tall. Proposing to reduce the height by 3-4m (G2) - Ash & Hornbeam: Currently is approximately 12-13m tall and have grown together to create single crown. Proposing to reduce the crown by up to 3m, back to previous pruning points. All of this work being requested as the trees are creating significant shade to the garden and are now overhanging adjacent carparks/public land significantly. Proposing reductions to ensure the longevity of the trees in this location.

    5 Rayfield Welwyn Garden City Hertfordshire AL8 7HR

    Received 7 Jun 2022
  5. Decided - Granted6/2015/1698/HOUSE

    Erection of a single storey front extension with internal alterations and alterations to roof

    10 Danesbury Park Road Welwyn AL6 9SE

    Received 7 Aug 2015
  6. Decided - Granted6/2019/0529/EM

    Reduce line of Leyland Cypress trees by approx 5m height and trim all sides

    63 Howicks Green Welwyn Garden City AL7 4RJ

    Received 8 Mar 2019
  7. Decided - Granted6/2018/0428/HOUSE

    Erection of rear garden room to replace existing

    42 The Ridgeway Cuffley Potters Bar EN6 4BA

    Received 12 Feb 2018
  8. DecidedN6/2009/1723/TE

    REDUCE OAK TREE BY 5 METRES

    29 ELMWOOD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6LD

    Received 7 Aug 2009
  9. Decided - GrantedN6/2007/1419/FP

    CHANGE OF USE OF 18 CAR PARK SPACES AND FORMATION OF PLANT/SERVICE YARD AND ERECTION OF 2.5M TIMBER FENCING

    UNIT 1, FALCON WAY, WELWYN GARDEN CITY, HERTS, AL7 1TW

    Received 24 Sept 2007
  10. Decided - GrantedN6/2013/0295/TC

    Reduce three Ash trees by 30%

    95 Handside Lane, WELWYN GARDEN CITY, AL8 6SP

    Received 11 Feb 2013
  11. Decided6/2020/0563/TC

    Fell 1x Conifer Tree

    33 Great Dell Welwyn Garden City AL8 7HP

    Received 27 Feb 2020
  12. Decided - GrantedW6/2015/0659/TE

    Replacement of partial exsiting hedge

    66 Valley Road, Welwyn Garden City, AL8 7DN

    Received 25 Mar 2015
  13. Decided - Granted6/2024/0889/COND

    Submission of details pursuant of condition 2 (Archaeological Written Scheme of Investigation) on planning permission 6/2021/3290/FULL varied by 6/2023/0994/VAR

    Land between The Manor House and Whitehall Field Cottage Essendon Hill Essendon AL9 6AJ

    Received 13 May 2024
  14. Decided - Refused6/2017/0251/EM

    Installation of rear dormer window

    154 Parkway Welwyn Garden City AL8 6HZ

    Received 10 Feb 2017
  15. Decided - Granted6/2026/1289/EM

    Erection of a part single (rear & side) part double storey (rear) extension to replace the existing, alterations to the fenestration at the side elevation

    10 Dellcott Close Welwyn Garden City AL8 7BD

    Received 22 Jul 2026
  16. Decided - Refused6/2023/2228/HOUSE

    Erection of single storey rear and side extension, front porch, garage conversion into habitable room, fenestration alterations and roof conversion involving a hip to gable with the creation of a crown roof along with two front and two rear dormers

    6 Sutherland Way Cuffley Potters Bar EN6 4EG

    Received 2 Nov 2023
  17. Decided - GrantedN6/2008/0796/CA

    ERECTION OF NEW GARAGE, CLOAKROOM AND GARDEN STORE, FOLLOWING DEMOLITION OF EXISTING GARAGE AND CLOAKROOM

    GEORGIAN COTTAGE, 20 AYOT GREEN, AYOT ST PETER, WELWYN, HERTFORDSHIRE, AL6 9AB

    Received 17 May 2008
  18. Decided - GrantedN6/2015/1366/TP

    Crown reduce two Oak trees by upto 2m plus reduce branches on four Hornbeam trees by 30% and branches on a further three Hornbeam trees by upto 50%

    33 Oaklands Rise Welwyn AL6 0RN

    Received 24 Jun 2015
  19. Decided - RefusedS6/2006/0187/FP

    ERECTION OF DWELLING HOUSE FOLLOWING DEMOLITION OF EXISTING DERELICT STRUCTURE

    THE COTTAGE, MARSHMOOR LANE, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7HT

    Received 13 Feb 2006
  20. Decided - Refused6/2026/0682/LB

    Erection of a single storey flat roof canopy with openable roof panels over the existing patio area

    Suttons Farmhouse Woodcock Hill St Albans AL4 9HJ

    Received 16 Apr 2026
  21. Decided - Granted6/2023/0634/LAWE

    Certificate of lawfulness for the existing HMO

    39 Veritys Hatfield AL10 8HH

    Received 22 Mar 2023
  22. Appeal Decided - Dismissed6/2019/0713/EM

    Erection of 6ft boundary fence-Retrospective

    4 Hitherway Welwyn Garden City AL8 7RG

    Received 26 Mar 2019
  23. Under Consultation6/2023/1677/FULL

    Retention of change of use of land to form 5 pitches for the existing Gypsy and Traveller family on site, comprising the siting of 1 mobile and 1 touring caravan per pitch, formation of access road

    Emmanuels Farm Great North Road Welwyn Garden City AL8 7TA

    Received 10 Aug 2023
  24. Decided - Granted6/2022/0596/EMT

    Reduce 1 x Conifer tree to midway point of first floor window. 1 on sketch plan Reduce 1 x Conifer tree to midway point of first floor window. 2 on sketch plan Reduce 1 x Holly tree to midway point of first floor window. 3 on sketch plan

    73 Knightsfield Welwyn Garden City AL8 7JE

    Received 14 Mar 2022

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 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.

Check collection coverage