Not in London but our school has a 'creative curriculum' where everything is topic based and all the subjects are taught through the topic. I did wonder at first if that was really possible and whether real work would get missed but it actually seems to work really well. They do the standard literacy and numeracy stuff like everybody else too.
Topics aren't the same every year at all. In reception she had celebrations, bugs, castles, fairy stories. Higher up the school I've seen detectives, WW1, construction, the environment, travel or based around a particular book. If you think about it you can see how it is possible to teach reading, writing, maths, science, art, music and whatever else. I think it is exciting for the staff as well as the kids. I believe the kids get some input into topics higher up the school.
They also seem to respond to local/ national events eg construction was in response to major house building in our area. They visited the site and had builders in to school, they did science stuff about foundations and cantilevers, measured and did scale drawings and they wrote job adverts and CVs for different jobs on the site.
DD gets very excited seeing what topic it will be and often they stage some kind of 'event' to announce it eg a taped off crime scene for the detectives one.
There's also no homework apart from reading in KS1 and no book bands or reading scheme only 'real' books. I never realised until I came on here that these things were a bit radical!
I didn't choose the school very particularly or bust a gut to get in its just our local school, ofsted good with some outstanding features, catchment the council estate we live on. I wouldn't want my kids to go anywhere else now.
So maybe that's what to look out for if you want a change, topic based/ creative curriculum?