I work at a scottish estate agents so might differ from England.
with us if a property with ourselves came on the market and it was a 4 bed for example, we would keep hold of all the viewers details and then when a similar property came on the market we would phone or email all viewers that viewed the similar property to try and get them to view the other one (obviously only if they werent interested in the first one)
Also if someone calls to set a viewing up and its a 4 bed id also suggest other 4 beds we have in the market that suit their budget.
make sure they are doing things like this as ud be surprised how much interest we drum up through this alone.
this is bad to say but I tend to take a little more time over the ones who I know have annoying/high needs owners as I no il have to call them that week and would prefer good news for them. Sometimes being pushy will help you.
make sure they have taken good quality photos of your property they REALLY help.
also sometimes changing the price even slightly can gain interest, however uv only been on a month so I wouldnt be suggesting this.
I personally wouldnt do an open house as thats only really recommended if you have massive interest, you dont want people turning up and theres only a few people there.
edit- in scotland we do offers over so eg.
offers over £300,000 could get around 310,000 really depends on area (iv no idea what happens in england)
So if yours is on for £300k even lowering to £295 could generate a whole new level of viewers as some people wont view if they cant afford it, so you could open up a wider audience just by lowering slighlty but still expecting the same kind of offer
In England here and we frequently had estate agents suggesting other similar properties. Here the pricing is quite different to Scotland, I've heard that before actually. We have a price on the property but it's usually a negotiation starter - buyers will almost always offer below and unless there's competition for the property and a bidding war starts then quite often the property sells below it's listed price - it might only be a grand under or it might be a big chunk. I don't know anyone who paid the listed price for their house, but estate agents and vendors overprice to allow for it - all a bit silly sounding when you write it down lol. Also I believe an offer is legally binding in Scotland? In England there's no legal commitment to an offer, it only becomes so once you exchange contracts - after that if either party pulls out they can be sued by the other.
I wouldn't put your house on with two estate agents unless you get really desperate. We've recently been buyers and sellers, we automatically assumed properties on with two agents were desperate to sell and would probably accept silly offers. You risk not getting offers in the price area you want.