I think Walthamstow is a good suggestion, if your sister can run to that.
I'm sure all these south of the river suggestions are valid, although if your sister is planning on cycling it's worth thinking about the roads between where you live and town.
The problem with some areas south of the river is accessing a lot of areas means negotiating some roads which most people would find pretty horrible...
If she can be flexible on areas she's probably better off looking for a good value place in any one of a short list of areas, that's the best way to get a good deal.
^^ Usual Dammit anti-north bollocks ;)
I think Walthamstow is a good suggestion, if your sister can run to that.
I'm sure all these south of the river suggestions are valid, although if your sister is planning on cycling it's worth thinking about the roads between where you live and town.
The problem with some areas south of the river is accessing a lot of areas means negotiating some roads which most people would find pretty horrible...
If she can be flexible on areas she's probably better off looking for a good value place in any one of a short list of areas, that's the best way to get a good deal.