Not proven but could be parents are John Chatfield and Sarah. There was a christening on 1 Sep 1811 in Sevenoaks of a John Chatfield.
Could these be his parents? -unlikeyl as they had a john who was married.
England Marriages
Name: John Chatfield
Spouse's Name: Sarah Jessop
Event Date: 23 Oct 1808
Event Place: West Peckham, Kent
Indexing Project (Batch) Number: M13507-2
System Origin: England-ODM
GS Film number: 992528
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Query
England and Wales Census, 1841
Name: John Chatfield
Gender: Male
Age: 30
Birthplace: Kent
Schedule Type: Household
Registration District: Sevenoaks
Parish: Sevenoaks, Kent
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Query
England and Wales Census, 1851
Name: John Chatfield
Age: 41
Gender: Male
Birthplace: Sevenoaks, Kent
Relationship to Head of Household: Head
Schedule Type: Household
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England and Wales Census, 1861
Name John Chatfield
County Kent
Event Place Sevenoaks, Kent, England
Registration District Sevenoaks
Residence Note Hilldenborough Road
Gender Male
Age 52
Marital Status Married
Occupation Well Digger And Thatcher
Relationship to Head of Household Head
Birth Year (Estimated) 1809
Birthplace Sevenoaks, Kent
Page Number 10
Registration Number RG09
Piece/Folio 488 / 61
Affiliate Record Type Household
John Chatfield Head M 52 Sevenoaks, Kent
Maria Chatfield Wife F 41 Sevenoaks, Kent
Elizabeth Chatfield Dau F 22 Sevenoaks, Kent
Arthur Chatfield Son M 13 Sevenoaks, Kent
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Contractor according to sons marriage certificate in 1872.