Mercia Harlow Collection


The 3m x 4m Mercia Harlow Insulated Garden Room features a unique wing design that creates a sheltered front porch. Made with 100mm thick double-skinned walls containing Eco-quilt multi-foil insulation, it’s made for all-year use. The key features include:

  • Free Home Installation
  • 14 mm double-glazed windows with 1 top opener and 2 fixed windows
  • Ultra-modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 16mm Tongue and groove floor
  • Solid Sheet Board & Interlocking Tongue and Groove Roof
  • 10-year anti-rot guarantee

 

 
FROM £10,669.99
 

The 4m x 3m Mercia Harlow Insulated Garden Room features a unique wing design that will create a stunning feature in your garden. It’s made for all-year use thanks to the 100mm thick double-skinned walls containing Eco-quilt multi-foil insulation. The key features include:

  • Free Home Installation
  • 14mm double glazed windows with 2 top opening front windows and 2 fixed side windows
  • Ultra-modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 16mm Tongue and groove floor
  • Solid Sheet Board & Interlocking Tongue and Groove Roof
  • 10-year anti-rot guarantee
 
FROM £11,219.99
 

The 4m x 4m Mercia Harlow Insulated Garden Room features a unique wing design that creates a sheltered porch area on the front. It’s perfect for all-year use as it’s made with 100mm thick double-skinned walls containing EcoQuilt multi-foil insulation. The key features include:

  • Free Home Installation
  • 14 mm double-glazed windows with 2 top opener and 2 fixed windows
  • Ultra-modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 16mm Tongue and groove floor
  • Solid Sheet Board & Interlocking Tongue and Groove Roof
  • 10-year anti-rot guarantee
 
FROM £12,759.99
 

The 5m x 3m Mercia Harlow Premium Insulated Garden Room features a striking winged design with a sheltered front porch. It's built for year-round comfort with 100mm insulated double-skinned walls and double glazing. The key features include: 

  • Free Home Installation
  • 2 fixed and 2 top-opening 14 mm double-glazed windows
  • Ultra modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 10-year anti-rot guarantee

 

 
FROM £12,759.99
 

The 5m x 4m Mercia Harlow Premium Insulated Garden Room combines bold contemporary design with practical comfort. With a winged porch, full insulation, and double glazing, it’s built for year-round use as a versatile living space. The key features include:

 

  • Free Home Installation
  • 2 fixed and 2 top-opening 14 mm double-glazed windows
  • Ultra modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 10-year anti-rot guarantee
 
FROM £14,409.99
 

The 6m x 3m Mercia Harlow Premium Insulated Garden Room combines striking contemporary style with generous space. With a sheltered winged porch, full insulation, and double glazing, it’s designed for year-round use. The key features include:

  • Free Home Installation
  • 14 mm double-glazed windows with 2 top openers and 2 fixed windows
  • Ultra-modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 16mm Tongue and groove floor
  • Interlocking Tongue and Groove Roof
  • 10-year anti-rot guarantee
 
FROM £13,969.99
 

The 6m x 4m Mercia Harlow Premium Insulated Garden Room offers a bold architectural design with generous interior space. It's a stylish, year-round living solution with a sheltered winged porch, full insulation, and double glazing. The key features include:

  • Free Home Installation
  • 14 mm double-glazed windows with 2 top openers and 2 fixed windows
  • Ultra-modern wing design
  • EcoQuilt insulated walls and roof
  • Air Tec Insulated floor
  • Customisable design
  • 16mm Tongue and groove floor
  • Interlocking Tongue and Groove Roof
  • 10-year anti-rot guarantee
 
FROM £15,729.99