Our house is about 2100sq.ft., built in 1912. Three bedrooms, two full baths, laundry room, LR, DR, kitchen, family room, full walk-up attic, basement, "extra" room in basement. House was originally a "box" and prior owners added on, so the MBr w/bath, family room, and spare room in basement are all about 15X25. It's plenty of space and we were glad to have the extra space when DD, SIL, and his 6yo needed a place to live (their rent went to more than my mortgage, plus utilities). We still have about 11 years on the mortgage (we are 66 and 62, both still working). We have a small, in-town lot (< 2/10ths of an acre), but that still means mowing, raking, gardening, and of course, snow removal from the 3 car driveway. We are not sure about downsizing, given the market, although a condo with no outdoor maintenance sounds more and more attractive. There are a couple of issues with staying in the house. The basement room has its own thermostat (radiant heat), the family room and MBr are on another thermostat (radiant heat), and the rest of the house has its own thermostat (old hot water radiators) so it's not possible to turn down the heat in rooms not being used. Also, both bathrooms are on the second floor. It is feasible to think the dining room can be renovated to a bathroom/laundry/closet area and we could use the living room as a bedroom, but at our ages we don't really want to take on the cost of renovation. Same with renovating the basement spare room; although there is plumbing down there, we'd need to put in a bathroom, laundry room, and kitchen if we were to make it an IL-apartment and sell the house to DD/SIL. I am not sure what we will do, but I have already started sorting and pitching. With a house already full of furniture and then adding 3 people and 2 apartments-worth of stuff, we are crowded and it makes me anxious. Not sure what the future will hold, but our house has gained over $200K in value since we bought it so hoping that if we decide to sell and the market holds, we'll be able to rent or get into a condo without too much additional cost.