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
39,891Searchable applications
298Recorded as pending
86%Approval rate · 33,444 approved or refused records
4,780Refused applications

28,664 approved · 4,780 refused · 2,191 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/1393/TPO

    T1 & T2 Hornbeam reduce back to previous pruning points 25% or approximately 2.5m (TPO 639 2017)

    10 Bluebells Welwyn AL6 0XD

    Received 6 Aug 2026
  2. Decided - Granted6/2017/0451/PN8

    Prior approval for the erection of a single storey rear extension measuring 6.0m in depth, 3.0m in height and 2.8m to the eaves.

    30 Oaklands Avenue Brookmans Park Hatfield AL9 7UJ

    Received 7 Mar 2017
  3. Decided - Granted6/2019/0953/ADV

    Various Signage display Signs 1 & 2: 2 no. Halo illuminated Fusion Students logo on student accommodation (sign type 1); Signs 3-6: 4 no. Student block identification lettering on student accommodation (non-illuminated) (sign type 2A); Signs 7-12: 6 no. Student block identification halo illuminated lettering on student accommodation (sign type 2B); Sign 13: 1 no. Hotel entrance sign on Comet Hotel (sign type 3); Sign 14: 8 no. Student accommodation glazing manifestation on student accommodation (sign type 4b); Sign 15: 1 no. South east elevation Comet Hotel identification signage on Comet Hotel (sign type 6); Sign 16: 1 no. Restaurant identification sign on Comet Hotel (sign type 5); Sign 17: 2 no. Comet Hotel entrance totem signs (sign type 8); and Sign 18: 1 no. North east elevation Comet Hotel identification signage on Comet Hotel (sign type 7).

    Comet Hotel St Albans Road West Hatfield AL10 9RH

    Received 18 Apr 2019
  4. Decided - GrantedN6/2004/1154/AD

    RETENTION OF 3 INTERNALLY ILLUMINATED AND STATIC FASCIA SIGNS AND 1 PROJECTING INTERNALLY ILLUMINATED STATIC SIGN

    22-24 HOWARDSGATE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6BQ

    Received 27 Jul 2004
  5. Decided - Withdrawn6/2016/2649/EM

    To remove 2 Hornbeam, 1 Sycamore, 1 Cherry and 1 Ash tree within U.K.Power networks substation

    Substation at Howicks Green Welwyn Garden City AL7 4RJ

    Received 13 Dec 2016
  6. Decided - RefusedS6/2007/1410/MA

    ERECTION OF DETACHED CAR BARN, COMPRISING OF TWO CAR PORTS, LOCKABLE STORAGE AREA AND WOOD STORE

    WALLED GARDEN HOUSE, BEDWELL PARK, ESSENDON, HATFIELD, HERTS, AL9 6JA

    Received 24 Sept 2007
  7. Decided - Refused6/2017/2946/HOUSE

    Erection of glazed extension following the demolition of existing pitched roof kitchen

    The Manor House Hill Farm Lane Ayot St Lawrence Welwyn AL6 9BP

    Received 20 Dec 2017
  8. Decided - GrantedS6/2015/0723/FP

    Erection of 2no single storey side extensions following demolition of existing conservatory

    Tolmers Lodge Carbone Hill Northaw Hertford SG13 8RG

    Received 2 Apr 2015
  9. Decided - Granted6/2020/0161/HOUSE

    Erection of a single storey front, single storey, part two storey rear extension following demolition of porch

    2 Hill Ley Hatfield AL10 8LX

    Received 22 Jan 2020
  10. Decided - Granted6/2024/0834/EM

    Erection of a garden room

    12 Brockett Close Welwyn Garden City AL8 7BN

    Received 2 May 2024
  11. Decided - WithdrawnN6/2008/0329/LB

    ERECTION OF CAR PORT

    EAST HOUSE DIGSWELL PLACE, RECTORY ROAD, WELWYN GARDEN CITY, HERTS, AL8 7SU

    Received 20 Feb 2008
  12. Decided - GrantedS6/2009/0891/MA

    RESIDENTIAL DEVELOPMENT OF 164 DWELLINGS WITH ACCESS ROADS AND LANDSCAPING

    PHASE 4, FORMER HATFIELD AERODROME, MOSQUITO WAY, HATFIELD, HERTFORDSHIRE, AL10 9DY

    Received 14 May 2009
  13. Decided - Granted6/2022/2187/HOUSE

    Erection of a single storey rear extension at lower ground floor level; rear extension at ground and first floor level; the replacement of existing roof including hip to gable conversion; fenestration alterations/additions, change to materials and the conversion of the garage to a habitable room

    6 High Ridge Cuffley Potters Bar EN6 4JH

    Received 21 Sept 2022
  14. Decided - Granted6/2018/3276/COND

    Submission of details pursuant to condition 1(Construction Management Plan) 2 (Soft and Hard Landscape) 4 (Fire Hydrants) and 6 (External Lighting including street lighting) on planning permission 6/2018/2088/FULL

    Land between 48a and 50 Birchwood Close, Hatfield, AL10 0PP

    Received 27 Dec 2018
  15. Decided - GrantedS6/2014/2171/DS

    Approval of details reserved by condition 4 (remediation) and 5 (soft landscaping) of S6/2014/1099/FP

    Garages at Branch Close Hatfield AL10 0TW

    Received 2 Oct 2014
  16. Decided - GrantedN6/2014/2082/NM

    Non material amendment following approval of planning permission N6/2014/1169/FP - Revised location of Chimney stack from South West elevation to North East elevation

    30 New Road Digswell Welwyn AL6 0AH

    Received 19 Sept 2014
  17. Decided - GrantedN6/2015/0814/TC

    Crown reduce Oak tree by 30%

    10 Woodland Rise, Welwyn Garden City, AL8 7LF

    Received 12 May 2015
  18. Decided - Granted6/2021/0404/COND

    Submission of details pursuant to condition 2 (Archaeological Scheme) on planning permission (6/2019/1533/FULL)

    Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR

    Received 9 Feb 2021
  19. Decided - GrantedN6/2015/0515/DS

    Approval of details reserved by condition 4 (landscaping) on planning permission N6/2013/2128/FP

    Bessemer Road, Welwyn Garden City, AL8 7LU

    Received 10 Mar 2015
  20. Decided - Granted6/2022/0977/EMT

    T2 - Hornbeam (Common) Crown reduce by 3.5m – 4m allaround to achieve a crown volume reduction in line with BRE IP7/06.

    14 Mandeville Rise Welwyn Garden City AL8 7JU

    Received 25 Apr 2022
  21. DecidedN6/2009/0240/TC

    REMOVE ONE SILVER BIRCH TREE, REMOVE BROKEN BRANCHES FROM FURTHER SILVER BIRCH AND CROWN LIFT TO 5 METRES

    LAND AT, 51 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE

    Received 22 Jan 2009
  22. Decided - Granted6/2020/2155/FULL

    Erection of dwelling

    Land adjacent to 45 Kentish Lane Brookmans Park Hatfield AL9 6NG

    Received 24 Aug 2020
  23. Decided - GrantedS6/2014/1704/FP

    Installation of triangular window to gable and removal of existing gable feature above porch and conversion of existing double garage to a one bedroom annex

    The Ridges, The Ridgeway, Cuffley, Potters Bar, EN6 4BH

    Received 30 Jul 2014
  24. Decided - GrantedN6/2015/0142/TP

    Coppice 10 Sweet Chestnut trees

    Land at, 6 & 7 Pine Crest Welwyn AL6 0EQ

    Received 26 Jan 2015

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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Guides to planning records

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  • 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.

  • 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