Where in the suburbs is it? If it's in London like Ealing or leytonstone or Richmond or similar then it might be worth sprucing it up a bit. If it's teeside or Middlesbrough then perhaps not so much.
Local estate agents would be able to tell you if it's worth it or not. Assuming there's probate to be dealt with, ask a few of them when they come round and value the place. Or just ask them anyway, I guess.
Where in the suburbs is it? If it's in London like Ealing or leytonstone or Richmond or similar then it might be worth sprucing it up a bit. If it's teeside or Middlesbrough then perhaps not so much.