Welcome to the area TommyT. There are about a trillion pub related discussions which should answer most of your questions. Like PR, I'm not sure of your definition of a good old fashioned boozer, but at a pinch and depending on that definition, you could try the CPT or The Castle on Crystal Palace road, the Crown & Greyhound (aka the Dog) or a host of pubs a bit further afield in camberwell, pekcham (pronounced pay-sharm), nunhead or forest hill directions. Also Hoopers on Ivanhoe road is good for proper beer.