Dion Dublin visits a stone cottage in Tilton on the Hill in rural Leicestershire while Martin Roberts is at a property auction buy in Croydon.

A mid-terrace house in Chaddesden in Derby, a two-bedroom flat in London's Maida Vale and a property in Warrington are all sold under the hammer. Martin Roberts, Lucy Alexander and Dion Dublin meet the new owners to hear what they have planned for their auction buys.

Martin looks round a pretty cottage with outbuildings with huge potential in Burton upon Trent, while Lucy checks out a flat in London's Crystal Palace and Dion is in Mossley near Manchester in a four-bedroom bungalow. The new owners share their ideas to make money on their auction buys.

Martin Roberts tackles the issue of solar panels on a property in Mountain Ash in Wales and wonders if it'll be a sunny outcome for the new owner.

The team visit a former millworkers' cottage in Derbyshire, a house in Kent and an investment property in Lowestoft in Suffolk.

Dion Dublin is in Walsall looking around a 1950s semi, while Martin Roberts meets a man developing a ground-floor one-bedroom flat in Ilford in Essex.

Houses in Ripley in Derbyshire, Erdington in Birmingham and London's East Ham are all sold under the hammer.

Dion Dublin is in Lincolnshire looking round a pair of rural semi-detached cottages which the new owner may convert into one home. Martin Roberts is in Cheshire at a bungalow with bags of potential, and Lucy Alexander is in Kent talking to friends embarking on their first project together.

A house in Chesterton in Staffordshire has a smelly problem and needs a total overhaul, and the new owner of a semi in Bestwood also has a lot to do.

A husband-and-wife duo add their design skills to a house in Croydon, while a developer creates a high-end house for multiple occupation in Coventry.

Properties in Wolverhampton, London's Plaistow and Bolsover in Derbyshire are sold at auction. Will they make money for their new owners?

A barber's in Rochdale, Lancashire, a bungalow in Alsager, Cheshire, and a piece of land in Eccles, Kent, go under the hammer.

Featuring a house in Otterton in Devon, a small one-bedroom flat in Tottenham in London and a building in Derby which is in a state of disrepair.

A three-bed semi in Welling, London, a three-bed terraced house in Basford, Nottingham, and a property in Callington, Cornwall, are sold at auction.

Martin Roberts, Lucy Alexander and Dion Dublin visit a one-bedroom flat in Catford, London, a large house near the River Mersey and a semi-detached property in Alvaston in Derby.

Properties in Derby, County Durham and the Rhondda Valley are sold at auction. Martin Roberts, Lucy Alexander and Dion Dublin talk to the new owners.

A cottage in Malvern, Worcestershire, a terraced house in Chell, Stoke-on-Trent, and a shop and a flat in Dover, Kent, are sold at auction.

A large piece of land in Ratby in Leicestershire, a terrace in Chesterton in Staffordshire and a 1930s semi with a huge garden and huge potential are all sold at auction. Martin Roberts, Lucy Alexander and Dion Dublin meet the developers hoping to breathe new life into their auction buys.

A two-bedroom detached house in Basford in Nottingham, a top-floor flat in Portsmouth and a large Edwardian terrace in Crewe are all sold at auction.

A multimillion-pound development in Farningham in Kent, an ambitious, total renovation project in Aspatria in Cumbria and a very small studio flat in Wallington in Surrey are all sold under the hammer. Martin and Lucy meet the new owners to discuss their plans.

A Victorian terrace in London's Greenwich, two flats in Chatham in Kent and a riverside inn near Great Yarmouth in Norfolk are all sold under the hammer. Martin Roberts, Lucy Alexander and Dion Dublin meet the new owners and hear plans for their renovation projects.

Properties in Borrowash in Derbyshire, West Bromwich in the Midlands and the Isle of Sheppey are all sold under the hammer.

A flat in Pegswood in Northumberland, a terrace in Swadlincote in Derbyshire and a former shop in Chatham in Kent are all sold under the hammer. Martin Roberts, Lucy Alexander and Dion Dublin meet the new owners and hear plans for their renovation projects.

A property in Sydenham in London, a property in Trentham near Stoke and a three-bed semi in West Bromwich are all sold under the hammer.

A mid-terrace house in Wales, a basement office in central London with a huge price tag and two flats in Bootle near Liverpool are all sold under the hammer. Martin, Lucy and Dion meet the new owners to hear what they intend to do, but not everything goes according to plan.

Properties in Bullbridge in Derbyshire, Newcastle-under-Lyme in Staffordshire and Wolverhampton in the West Midlands are sold under the hammer.

A chalet bungalow in Drakelowe in Staffordshire, a three-bed semi in Croydon in London and a piece of land in Coltishall in Norfolk are sold at auction.

Martin Roberts rolls back the clock nearly 12 years to catch up on an ambitious development of a former church in Preston on the Hill in Cheshire, while Lucy Alexander looks round two very different terraced houses in Stony Stratford near Milton Keynes and Streatham in London.

Featuring houses in Northwich in Cheshire and California in Derby and a project to build flats on the site of an old hall and garages in Deal in Kent.

A former dental surgery in Bexhill-on-Sea in East Sussex, a 1960s semi in Canterbury and a house with wonky floors and windows in Swadlincote in Derbyshire are all sold under the hammer. Martin Lucy and Dion meet the new owners and hear their plans to make money from their buys.

A two-bed semi in Wellington in Telford, a three-bed in Carlisle and two Georgian cottages currently being used as offices go under the hammer.

A two-bedroom semi in New Moston, Manchester, a one-bedroom flat in Herne Hill in Kent and a two-bedroom Victorian house with period features in Crewe are all sold under the hammer. Martin, Lucy and Dion have a look round the properties before meeting the developers hoping to make some money.

Three-bed properties in Maidstone in Kent, Stepney in east London and Wolstanton in Staffordshire are sold at auction. Martin Roberts, Lucy Alexander and Dion Dublin meet the new owners.

A three-bedroom semi in Crewe, a former office in Sittingbourne in Kent and a terrace in Penrith in Cumbria are all sold under the hammer. They are bought by seasoned developers, but it is not all plain sailing. Martin, Lucy and Dion follow the twists.

An old attic flat in Scotland's Greenock, a purpose-built flat in London's east Dulwich and an intriguing three-storey house in Sutton-in-Ashfield, Nottinghamshire, are all bought at auction. Martin, Lucy and Dion meet the new owners whose projects take between five weeks and a year to complete.

An old forge cottage in Upton near Newark, a two-bed house in Selhurst, London, and a very sad-looking house in Butt Lane, Staffordshire, all go under the hammer.

A cottage in Cumbria, a trio of buildings in Stansted Mountfitchet in Essex and a house with outbuildings in North Yorkshire all go under the hammer.

A split-level flat with bags of potential in North Shields and a couple of semis in West Bromwich and Crewe are all sold under the hammer. They are bought by seasoned developers and one novice. So who will make the most money from their investments?