Sydney Vacher was an English architect. He was the son of Thomas Brittain Vacher

Thomas Brittain Vacher

Thomas Brittain Vacher was a lithographer, a legal stationer, and a printer. He founded Vacher's Parliamentary Companion, an important parliamentary reference work which continues to this day as Vachers Quarterly, published by Dods....

 (1805–80).

Career
He entered partnership with Evelyn Hellicar

Evelyn Hellicar

Evelyn Hellicar was an English architect.Evelyn Arthur Gresley Hellicar was the son of Arthur Gresley Hellicar and Mary Ann Isabella Malthus . Arthur Hellicar came from the South West of England where his father was Vicar of Fivehead, Somerset, and Swell, Gloucestershire...

 in the late 1880s . Their office was at Wellington Street, The Strand, London. Together they won the competition to design the Valley Primary School

Valley Primary School

Valley Primary School is a primary government school in Bromley, London, United Kingdom. The head teacher is Mrs Susan Head. The school was the sixth best school in Bromley according to The Times newspaper annual school rankings....

, Shortlands, Kent in 1889.

Publications
Vacher was author of: - 'Fifteenth Century Italian Ornament', London, Bernard Quaritch, 1886.

Buildings / Designs

• 1888 96 Plaistow Lane, Bromley
• 1890 Valley Primary School
  Valley Primary School
  Valley Primary School is a primary government school in Bromley, London, United Kingdom. The head teacher is Mrs Susan Head. The school was the sixth best school in Bromley according to The Times newspaper annual school rankings....
  
  , Beckenham Lane, Shortlands, Kent
• Measured Drawings of Westminster Abbey
• Pulpit (in Memory of Thomas Brittain Vacher) in St Margaret's Church, Westminster
  Westminster
  Westminster is an area of central London, within the City of Westminster, England. It lies on the north bank of the River Thames, southwest of the City of London and southwest of Charing Cross...
  
  , London
• 1890 99 Plaistow Lane, Bromley