Both of this week's developers are taking on listed properties, which are notoriously difficult to renovate. But developed sympathetically they can provide major returns, and this week's developers are chasing the biggest profits ever seen on Property Ladder. In Harlaxton Mark and Tammy Howard want to turn an old bakery into a desirable family home, but with a listed giant baker's oven bang in the middle of their new kitchen, this might prove a gamble too far. Meanwhile, in Dunstable, business partners Dave Hearne and Nick Holmes are also gambling on massive returns when they buy not one, but six listed houses in a ramshackle old terrace. With Sarah's help they think they can make them super modern; but is Dunstable ready for a wet room?
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