I’m not convinced maintenance explains most outliers without knowing seller motivation and buyer financing. A well-kept property can linger if the seller will not negotiate, while a rough one can move quickly after a realistic cut. I’d build three groups—completed, withdrawn, and still...
I’d focus on tenant turnover. A 4-bed home may have a narrower tenant pool than a smaller unit, so the damage is not just an empty month: reletting, cleaning, repairs between tenancies and possible rent negotiation can arrive together. Model zero, one and two vacant months rather than relying on...
A broad service list is reassuring, but unclear ownership is the specific concern here. I would compare the proposals in a simple matrix covering photographs, enquiry handling, buyer qualification, offer records, negotiation and support after acceptance.
For every stage, add the person...