Also establish whether “condo” here is a leasehold flat, share of freehold or something else. In London, questions about the lease, service charges, building management and any planned works may affect buyer confidence more than a new set of photographs. Don’t wait for an offer before finding...
I partly disagree that longer marketing time plus vacancy automatically strengthens the buyer’s hand. If the unit is clean, financeable and priced against recent completed sales, being empty may actually make it easier to show and sell.
The useful next step is to separate the sample by...