Extraordinary Extensions - Episode Guide

Tinie checks out Amy and Simon's million-pound glass structure by the sea in Hampshire, and Alan and Lynda's multigenerational living under a bold, angular ski slope roof in Herefordshire

Tinie meets a couple who are building an enormous subterranean extension on their Grade II listed gate lodge, and visits an £11 million mega-basement in Knightsbridge.

Tinie Tempah follows two builds that sit uniquely in their surroundings, meeting contractor Rod and his gin distiller wife Clarice, who have added a modern and uncompromising 21st-century extension to their 17th-century Cotswolds cottage. Tinie also follows passionate extenders NHS surgeon Humza and his banker wife Pari, who indulge their creative flair, attention to detail and love of terrazzo with a unique up-and-over arch window.

Tinie Tempah follows the pioneering reinvention of a Victorian building in south London. Architect Richard and his writer wife Eva are converting their 19th-century former timber yard from an office into a family home for themselves and their two children. Key to the design are the cutting-edge innovations to achieve ultra-low energy use, making this the only passive house that has been built by converting a commercial space.

Tinie Tempah follows more brave homeowners as they build extraordinary extensions. In Warwickshire, he follows a couple taking on a million-pound retirement project of adding an underground swimming pool and spa extension to their curved mega-home. However, they face a battle with the property's curves and to somehow make it eco-friendly. On the lookout for inspiration, Tinie also visits two other super-luxe subterranean extensions devoted entirely to lives of leisure.

In Peckham, south London, Tinie Tempah joins a Silicon Valley tech entrepreneur as he lets a graffiti artist and a massive living jungle-wall take over his Victorian house. Plus, in Essex, a couple with a fraction of a budget, attempt to extend their distinctive 1960s home without spoiling it.

In Lincolnshire, Tinie Tempah follows a couple of serial property flippers who are about to finally settle down in the modern country home of their dreams, but not before they add three massive extensions. Later, in Hertfordshire, he meets a newly qualified architect who is building an extension for his first clients - his fiancée and their blended family.

Tinie Tempah follows a couple who have plundered their wedding fund to pimp their Kent coast bungalow into a Miami-style beach house. Later, he joins another couple on Kent's east coast who are trying to turn their 1960s home to face the sea by building an experimental extension with green-glazed bricks that are normally seen on pubs.

Music artist and property developer Tinie Tempah meets a pair of yoga and sustainability entrepreneurs try to build the 'wellness extension' of their dreams in north London. A few miles away, south of the River Thames, he joins a couple who are adding a 'floating' terracotta extension to their rundown 1930s home.

Music artist and property developer Tinie Tempah meets a couple who are bravely trying to build a £600,000 glass box modernist mega-extension onto their Victorian country pile in Manchester. He also encounters a young couple in south London, who are hoping to make their big-design dreams for their small space a reality before their baby arrives.