Spark Brook itself was a modest tributary that flowed south of the Birmingham city centre. Engineers later channelled it and used part of its bed for a canal, which is why you can walk Sparkbrook today and never see the water that named it. The brook may be hidden, but at least one of the old buildings that watched it flow is still there. Lloyd House on Sampson Road was built between 1742 and 1752 by Sampson Lloyd, the Quaker iron-master and shopkeeper-turned-banker who, with John Taylor, founded what became Lloyds Bank in 1765. The Georgian brickwork now houses the offices of a local housing association. The Lloyds whose name stretches across British high streets started in a counting house a few miles away, but the family who built it lived here, near a stream you can no longer find.

Many of Sparkbrook's churches went up in the building boom of the late 19th and early 20th centuries. St Agatha's on Stratford Road was consecrated in 1901 and is now a Grade I listed building, its tower a landmark for anyone navigating the area on foot. Christ Church, on the corner of Grantham and Dolobran Roads, had a longer and harder run. Consecrated in 1867, it lost its spire in 1918, then its tower to a Second World War bomb, then most of its remaining fabric to the Birmingham tornado of 28 July 2005. The twister that tore through Balsall Heath and Sparkbrook that afternoon injured nineteen people and damaged a thousand buildings. Christ Church was demolished in the aftermath. The congregation rebuilt anyway, opening a new building in 2013 on the same ground. Few churches anywhere can claim to have outlasted both Luftwaffe bombs and an English tornado.

Sparkbrook's most famous cultural invention sits on a plate. The balti - meat or vegetables cooked fast in a thin pressed-steel bowl over a fierce flame, served straight from the pan with naan to scoop it up - was developed in Birmingham in the 1970s, and the cluster of restaurants that perfected it gave Ladypool Road and the surrounding streets a nickname: the Balti Triangle. Most of the founding restaurateurs were Pakistani Kashmiris, part of a community that has shaped the neighbourhood for half a century, joined more recently by a large Somali population. The 2021 census recorded 31,485 residents in the ward, the majority of them from minority ethnic backgrounds. The balti has since gone national, but the Triangle remains the source, with steel bowls and clay tandoors still working into the small hours.

In 2010, residents of Sparkbrook discovered that 169 automatic number plate recognition cameras were being installed across their ward and neighbouring Washwood Heath, paid for from a counter-terrorism budget. They had been told the cameras were for ordinary crime prevention. A local activist, Steve Jolly, started writing, petitioning, and calling reporters; the Guardian's Paul Lewis followed up; the story became national, then international. The £3 million scheme - Project Champion - was frozen in June 2010 and eventually dismantled. Chief Constable Chris Sims issued a public apology, saying he was deeply sorry for the negative impact on the community. The cameras came down. It remains one of the clearest cases anywhere in Britain of a neighbourhood organising itself out from under a surveillance programme, and it happened in the same streets where Priestley once sheltered religious dissenters.

Walk Sparkbrook now and the layers are easy to read once you know where to look. Priestley Road for the chemist whose house was burned by a mob. Sampson Road for the man who built Lloyd House and helped found a bank. Ladypool Road for the Victorian mission hall and the balti restaurants that came later. The Stratford Road runs the spine of it all, lined with bakeries and tailors, mosques and chip shops, and the Grade I tower of St Agatha's still calling itself to attention. The Labour politician Roy Hattersley took his peerage as Baron Hattersley of Sparkbrook in 1997 - one of the small modern markers, alongside UB40's working-class Birmingham-Caribbean reggae, that pin this neighbourhood firmly into the British imagination. A buried stream, a burned mansion, a tornado, a curry, and a fight over surveillance: a remarkable amount of history for one corner of a city.