House Extension Cost London and Hertfordshire United Kingdom
Wondering what will your house extension project cost? We have 3d view of how the house extension might look like and costs associated. You will gain the understanding of different types of design and build construction projects in 3d view.


Design and Build 3 x 3 meter rear house extension at rear of the property.
Estimated cost: from - £20,000.00
Optional Extras:
Skylight or small lantern
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Small Side Extension Pitched Roof.
Estimated cost: from - £30,000.00
Optional Extras:
2 x Velux
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Small Side Extension Pitched Roof.
Estimated cost: from - £30,000.00
Optional Extras:
Skylight or small lantern
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Small Rear Extension Flat Roof.
Estimated cost: from - £35,000.00
Optional Extras:
Skylight or small lantern
Windows
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Medium Side Extension Pitched Roof.
Estimated cost: from - £40,000.00
Optional Extras:
3 x Velux
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Medium Side Extension Flat Roof.
Estimated cost: from - £40,000.00
Optional Extras:
Skylight or medium lantern
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Large Side Extension Flat or Pitched Roof.
Estimated cost: from - £45,000.00
Optional Extras:
3 x Skylights on flat roof or 4 x Velux on Pitched Roof
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Terraced 3 meter rear house extension with flat roof at rear of the property.
Estimated cost: from - £30,000.00
Optional Extras:
Skylight or small lantern
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Terraced 3 meter rear house extension with crown roof.
Estimated cost: from - £35,000.00
Optional Extras:
4 x Velux
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Flat Roof Small Wrap a Round Extension.
Estimated cost: from - £40,000.00
Optional Extras:
1 x Skylights or Lantern on flat roof
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom

Design and Build Pitched Hip Roof Small Wrap a Round Extension.
Estimated cost: from - £40,000.00
Optional Extras:
2 x Velux Windows
Bifold doors
Kitchen
Floor finishing
Patio at rear of the property
Downstairs Bathroom
Do you have a Loft Conversions and House Extensions Project with all plans ready? or You Require Design and Build services of the Loft Conversion and house extension for a company to design the loft conversion and house extension, deal with planning, building regulations, party wall agreements and build the loft conversion and house extension? Than look no further get in touch with us for a Detailed Free No Obligation Quote. We can accommodate a very quick turnaround. Our lofts and house extensions come with 10 year guarantee and 12 month workmanship guarantee.
For a quote about your project whether construction only or design and build project get in touch now via visiting our website or via direct call or email the contact details are as follows: