What does "doer-upperer" mean?

A fixer-upper; a domestic property for sale that is in poor condition and needs doing up.

What is a synonym for "doer-upperer"?

Common synonyms include: fixer-upper.

noun, slang

noun, slang ·Uncommon ·College level

Noun

1
A fixer-upper; a domestic property for sale that is in poor condition and needs doing up. Australia, informal

From do up with the application of three -er suffixes.