By Jacob Farr & Monica Charsley A couple have slammed aproperty developer after their £300,000 dream home turned into a living “swamp” nightmare plagued by drainage issues. Paddy Harper, 30, and his girlfriend, from Midlothian, Scotland, said they were over the moon to finally move into the property after they faced delays with the new Bellway Summerville Gardens estate in August 2022. But their happiness was cut short after their back garden was struck by flooding during their first winter in the new home. Paddy, who is a crime scene examiner, said they were hit with disastrous conditions whe…