| Great Interior Design Challenge | It's the quarter finals and the designers are in the coastal town of Aberaeron. They have just 48 hours to transform both a bedroom and a guest room. S4/Ep5 | Fri, Mar 1, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | It's the quarter finals and the designers are in the coastal town of Aberaeron. They have just 48 hours to transform both a bedroom and a guest room. S4/Ep5 | Thu, Feb 29, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | It's the quarter finals and the designers are in the coastal town of Aberaeron. They have just 48 hours to transform both a bedroom and a guest room. S4/Ep5 | Thu, Feb 29, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In the picturesque town of Worsley, two amateur designers each have 48 hours to transform rooms in neighbouring mock Tudor houses. S4/Ep4 | Thu, Feb 29, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In the picturesque town of Worsley, two amateur designers each have 48 hours to transform rooms in neighbouring mock Tudor houses. S4/Ep4 | Wed, Feb 28, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | In the picturesque town of Worsley, two amateur designers each have 48 hours to transform rooms in neighbouring mock Tudor houses. S4/Ep4 | Wed, Feb 28, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In north London sits Holly Village, a unique group of cottages. Three amateur designers each have 48 hours to transform a room in these historic buildings. S4/Ep3 | Wed, Feb 28, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In north London sits Holly Village, a unique group of cottages. Three amateur designers each have 48 hours to transform a room in these historic buildings. S4/Ep3 | Tue, Feb 27, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | In north London sits Holly Village, a unique group of cottages. Three amateur designers each have 48 hours to transform a room in these historic buildings. S4/Ep3 | Tue, Feb 27, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In the old mill village of Saltaire in West Yorkshire, three amateur interior designers each have 48 hours to transform a room in mid-19th century cottages. S4/Ep2 | Tue, Feb 27, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In the old mill village of Saltaire in West Yorkshire, three amateur interior designers each have 48 hours to transform a room in mid-19th century cottages. S4/Ep2 | Mon, Feb 26, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | In the old mill village of Saltaire in West Yorkshire, three amateur interior designers each have 48 hours to transform a room in mid-19th century cottages. S4/Ep2 | Mon, Feb 26, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In the beautiful spa town of Cheltenham, three amateur interior designers each have 48 hours to transform a room in a Regency era terraced house. S4/Ep1 | Sat, Feb 24, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In the beautiful spa town of Cheltenham, three amateur interior designers each have 48 hours to transform a room in a Regency era terraced house. S4/Ep1 | Fri, Feb 23, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | In the beautiful spa town of Cheltenham, three amateur interior designers each have 48 hours to transform a room in a Regency era terraced house. S4/Ep1 | Fri, Feb 23, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Two amateur designers remain for the thrilling final challenge. They have £4,000 and four days to transform a 19th century calendar house in Cumbria. S2/Ep16 | Fri, Feb 23, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Two amateur designers remain for the thrilling final challenge. They have £4,000 and four days to transform a 19th century calendar house in Cumbria. S2/Ep16 | Thu, Feb 22, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | Two amateur designers remain for the thrilling final challenge. They have £4,000 and four days to transform a 19th century calendar house in Cumbria. S2/Ep16 | Thu, Feb 22, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Four previous winners are back to redesign a reception room each in Edinburgh's historic tenements. Who will impress the judge and progress to the final? S2/Ep15 | Thu, Feb 22, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Four previous winners are back to redesign a reception room each in Edinburgh's historic tenements. Who will impress the judge and progress to the final? S2/Ep15 | Wed, Feb 21, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | Four previous winners are back to redesign a reception room each in Edinburgh's historic tenements. Who will impress the judge and progress to the final? S2/Ep15 | Wed, Feb 21, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | The amateur designers have three days and £1,200 to renovate reception rooms in an Edwardian school. Who will thrive in this daunting challenge? S2/Ep14 | Wed, Feb 21, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | The amateur designers have three days and £1,200 to renovate reception rooms in an Edwardian school. Who will thrive in this daunting challenge? S2/Ep14 | Tue, Feb 20, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | The amateur designers have three days and £1,200 to renovate reception rooms in an Edwardian school. Who will thrive in this daunting challenge? S2/Ep14 | Tue, Feb 20, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | The amateur designers have three days and £1,200 to transform rooms in a 1960s housing complex. Who will secure a place in the semi-finals? S2/Ep13 | Tue, Feb 20, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | The amateur designers have three days and £1,200 to transform rooms in a 1960s housing complex. Who will secure a place in the semi-finals? S2/Ep13 | Mon, Feb 19, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | The amateur designers have three days and £1,200 to transform rooms in a 1960s housing complex. Who will secure a place in the semi-finals? S2/Ep13 | Mon, Feb 19, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | The pressure is on to transform three similar multi-functional reception rooms in houseboats on the River Thames. Who will secure a place in the quarterfinals? S2/Ep12 | Sat, Feb 17, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | The pressure is on to transform three similar multi-functional reception rooms in houseboats on the River Thames. Who will secure a place in the quarterfinals? S2/Ep12 | Fri, Feb 16, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | The pressure is on to transform three similar multi-functional reception rooms in houseboats on the River Thames. Who will secure a place in the quarterfinals? S2/Ep12 | Fri, Feb 16, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | It's the second round of the competition and the three competitors have £1,000 and three days to transform three reception rooms in Edwardian houses in London. S2/Ep11 | Fri, Feb 16, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | It's the second round of the competition and the three competitors have £1,000 and three days to transform three reception rooms in Edwardian houses in London. S2/Ep11 | Thu, Feb 15, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | It's the second round of the competition and the three competitors have £1,000 and three days to transform three reception rooms in Edwardian houses in London. S2/Ep11 | Thu, Feb 15, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Amateur designers are tasked with transforming three bedrooms in converted Oast houses. Teashop owner Kate goes all out with an ambitious red and blue scheme. S2/Ep10 | Thu, Feb 15, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Amateur designers are tasked with transforming three bedrooms in converted Oast houses. Teashop owner Kate goes all out with an ambitious red and blue scheme. S2/Ep10 | Wed, Feb 14, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | Amateur designers are tasked with transforming three bedrooms in converted Oast houses. Teashop owner Kate goes all out with an ambitious red and blue scheme. S2/Ep10 | Wed, Feb 14, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are challenged to revamp 1930s Hollywood-inspired apartments. Hannah must keep true to the Nordic scheme her client has asked for. S2/Ep9 | Wed, Feb 14, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are challenged to revamp 1930s Hollywood-inspired apartments. Hannah must keep true to the Nordic scheme her client has asked for. S2/Ep9 | Tue, Feb 13, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are challenged to revamp 1930s Hollywood-inspired apartments. Hannah must keep true to the Nordic scheme her client has asked for. S2/Ep9 | Tue, Feb 13, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are given £1,000 and three days to work on cottages in Port Sunlight. They are challenged to transform a main bedroom each. S2/Ep8 | Tue, Feb 13, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are given £1,000 and three days to work on cottages in Port Sunlight. They are challenged to transform a main bedroom each. S2/Ep8 | Mon, Feb 12, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are given £1,000 and three days to work on cottages in Port Sunlight. They are challenged to transform a main bedroom each. S2/Ep8 | Mon, Feb 12, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are challenged to redesign large open plan reception rooms in 21st century eco homes. They have three days and a £1,250 budget. S2/Ep7 | Sat, Feb 10, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are challenged to redesign large open plan reception rooms in 21st century eco homes. They have three days and a £1,250 budget. S2/Ep7 | Fri, Feb 9, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are challenged to redesign large open plan reception rooms in 21st century eco homes. They have three days and a £1,250 budget. S2/Ep7 | Fri, Feb 9, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In Welwyn Garden City, three amateur designers are given £1,000 each to update three identical living rooms. Who will impress the judges? S2/Ep6 | Fri, Feb 9, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | In Welwyn Garden City, three amateur designers are given £1,000 each to update three identical living rooms. Who will impress the judges? S2/Ep6 | Thu, Feb 8, 12:00 pm | HGTV | 60 mins |
| Great Interior Design Challenge | In Welwyn Garden City, three amateur designers are given £1,000 each to update three identical living rooms. Who will impress the judges? S2/Ep6 | Thu, Feb 8, 7:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are tasked with transforming a bedroom each in a row of fishermen's cottages. Ex-marketing manager Becky has a daring plan. S2/Ep5 | Thu, Feb 8, 1:00 am | HGTV | 60 mins |
| Great Interior Design Challenge | Three amateur designers are tasked with transforming a bedroom each in a row of fishermen's cottages. Ex-marketing manager Becky has a daring plan. S2/Ep5 | Wed, Feb 7, 12:00 pm | HGTV | 60 mins |