Clumsily built cottage up north accommodates clubs (6)

'clumsily built' is the definition.
(botchy means clumsily or poorly put together)

'cottage up north accommodates clubs' is the wordplay.
'cottage up north' becomes 'bothy' (type of small shelter often found in Scotland).
'accommodates' is an insertion indicator.
'clubs' becomes 'c' (abbreviation used in card games such as bridge).
'bothy' going around 'c' is 'BOTCHY'.