Husband and wife plough £20MILLION into renovating a semi-derelict Welsh ...

A husband and wife are to plough £20 million into renovating a semi-derelict mansion with over 100 rooms to turn it into a luxury five-star hotel.

Paul and Rowena Williams bought the 102-room property in Wales two years ago and have already restored the south wing.

Photos before the renovation show the entrance hall with damaged floors and dirty walls. But recent 'after' shots show the grand staircase covered in a luxurious red carpet, shiny tiles and beautiful antique ornaments.

A husband and wife are ploughing £20 million into renovating this semi-derelict, 102-bedded mansion to turn it into a luxury five-star hotel

A husband and wife are ploughing £20 million into renovating this semi-derelict, 102-bedded mansion to turn it into a luxury five-star hotel

Paul and Rowena Williams bought Plas Glynllifon, near Caernarfon in Gwynedd, two years ago and have already restored the south wing

Paul and Rowena Williams bought Plas Glynllifon, near Caernarfon in Gwynedd, two years ago and have already restored the south wing

Before and after: This master suite has had a complete makeover. The couple want to keep a 19th century theme running throughout the mansion

The stunning mansion was once home to Lord Newborough and was recently opened to the public to show off the latest renovations.

Mr Williams, 54, hopes to eventually turn Plas Glynllifon, near Caernarfon in Gwynedd, into a five-star luxury hotel.

The semi-derelict structure was bought as a venue venture in 2013 but the plans fell through.

The stunning property (pictured with scaffolding around it while being renovated) was once home to Lord Newborough and was recently opened to the public to show off the work that had been done

The stunning property (pictured with scaffolding around it while being renovated) was once home to Lord Newborough and was recently opened to the public to show off the work that had been done

Photos before the renovation show the entrance hall with damaged floors and dirty walls

But recent shots show the hallway with a luxurious red carpet and beautiful antique ornaments

Photos before the renovation show the entrance hall with damaged floors and dirty walls (left). But recent shots show the hallway with a luxurious red carpet and beautiful antique ornaments (right)

The huge building has its own church. Each room takes on a different theme, with antiques and artworks sourced across the world - imitating the mansion in its 19th Century heyday

The huge building has its own church. Each room takes on a different theme, with antiques and artworks sourced across the world - imitating the mansion in its 19th Century heyday

A man in high viz is hard at work in one of the run down rooms

A magnificent chandelier hangs from the ceiling of one of the property's many rooms

A workman fixes up one of the property's many rooms before installing a magnificent chandelier on its ceiling (right)

Mr Williams said: 'There was a smell of damp and mould and must was all around. Severe water ingress everywhere. The stench itself was a little bit off-putting, to be honest.

'Before we purchased it, we spent four days surveying it, so we knew what we were letting ourselves in for.'

The couple hope the restoration will be complete by 2020 - a year ahead of schedule.

They recently opened the doors to the public and 2,000 people flocked in to see it.

The couple hope the restoration will be complete by 2020 - a year ahead of schedule. They recently opened the doors to the public and 2,000 people flocked in to see it

The couple hope the restoration will be complete by 2020 - a year ahead of schedule. They

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