Hi
Sorry for the late reply to your enquiry.
The 'surviving' records for Lambeth Board of Guardians have been deposited for safe keeping
Lambeth Archives, Minet Library, 52 Knatchbull Road, London SE5 9QY.
Princes Road workhouse:
Register of workhouse children (1826-33); Workhouse repairs (1826-35); workhouse record book (1816-20); workhouse accounts (1801-10, 1816-20).
Other Records: Rate books (1700-1900, with gaps); Churchwardens and Overseers papers re rates and rating (1832-1900); Leases of workhouse sites (1727-1858); Committee for the relief of the poor during inclement weather minutes (1814); Settlement examinations of women in the Lying-in Hospital 1805-1807; Plans of Lambeth Workhouse Infirmary and Norwood Schools (1853-1911); etc.
London Metropolitan Archives, 40 Northampton Road, London EC1R OHB.
Princes Road workhouse holdings include: Admissions and discharges (1773-1919); Creed registers (1850-1919); Births (1836-68); Baptisms (1803-60).
Renfrew Road workhouse holdings include: Admissions and discharges (1912-22); Creed registers (1873-1922); Births (1875-1916); etc.
Brook Drive Infirmary holdings include: Births (1883-1921); Baptisms (1889-1907); Pauper lists (1901-24); etc.
Norwood School holdings include: Register of children (1875-1904); Admissions and discharges (1847-1929); Creed register (1885-1936); Baptisms (1911-39); Deaths (1901-34); Register of adopted (1901-30); Register of children emigrating (1900-30).
Other holdings include: Guardians' minute books (1836-1930); Financial records (1861-1930); Staff records (1851-1930); etc.
Some of the records held at the London Metropolitan Archives (LMA) have been digitised and put on line as suggested above. However what is online is far from complete.
The LMA has a 'paid for' research service, details here
http://www.cityoflondon.gov.uk/Corporation/LGNL_Services/Leisure_and_culture/Records_and_archives/Family_Research/Family+History+Research+Service.htmContact details for Lambeth here but there's no mention of a research service.
http://www.lambeth.gov.uk/Services/LeisureCulture/LocalHistory/Researchers in and around London are few and far between, and this type of research is not always easy to carry out.
Who and what are you looking for?
Dawn