The first mention of Laburnums is when a Freehold ground rent of £1 per ann. is payable by Mr Jackson secured upon the Laburnums for 99 years commencing 25th March 1900. The plan on the 1841 Tithe Map number 969 is 1,207 square yards.
The census of 1901 says William Jackson is a 22 year old shoeing smith, Annie his wife is 23.

William, Annie and daughter Doris Jackson of the Laburnums.
William came from Handsworth in Staffordshire and married Annie Augusta Mathews (born in Mamhilad) in late 1900. In March 1903 their only child Doris Irene was born.
The rateable value of the Laburnums in 1910 was gross value £10 10s rateable value £8 10s.
In 1911 the census says William Jackson is now a 31 year old builders clerk, Annie is 32 and Doris is 8.
By 1921 William Jackson is now builders manager for Mrs Wilks, Annie his wife is 42 and 18 year old Doris is a shop assistant for William Jacksons general store dealer.
On the register of 1939 William Jackson is a builder and contractor, born in September 1878, Annie was born in October 1877 and Doris Irene in March 1903.
William Jackson died in September 1952 aged 74 leaving the sum of £12,415 12s 4d to his daughter Doris, his wife Annie died in December the same year aged 75 (link to funeral notice here).
Doris remained at Laburnums until her death in October 1987 leaving the sum of £21,575.