Design services

The Loft and Extension Company have a design team that can develop all the drawings and calculations that are required to create the new space in your home. We provide you with a one stop shop for your project from the initial planning drawings through to the building regulations and structural calculations; we can take the pain out of the application to your local council.

Dileepa Herath

Dileepa Herath BEng CEng MIStructE

Chartered Structural Engineer / Civil Engineer

Dileepa can provide clear and sound advice at the early stages of your project on the design of the structure. He can guide you on your build options in order to reach the appropriate decision from your local authority and ensure that structural solution is economical with a minimal build time.

Dileepa is responsible for the development of all design and drawings that are requested by our customers. These drawings include:

  • Designs of Steel, Concrete, Timber and Masonry Buildings
  • Refurbishment and structural alterations of existing and listed buildings
  • New extensions, Loft conversions and Basements Underpinning
  • Structural inspections and Surveys
  • All CAD drawings
  • Structural Calculations for Local Authority Approval
Our work
 

Satisfied customers - the best recommendation

Cusomter testimonial

Sara Murray
Double storey & single storey extension, Claygate

Cusomter testimonial

Russell Deamer
Side Storey Extension. Teddington

Cusomter testimonial

Mrs M Waters
Side and Rear Extension, Thames Ditton, Surrey.

Cusomter testimonial

Mr Cliff Penneycate
Kingston Upon Thames, Surrey

Cusomter testimonial

Mr and Mrs Usher
Side and Rear Extensions. Walton on Thames, Surrey

Cusomter testimonial

Mr & Mrs Datar
Loft Conversion. Hampton, Middlesex

Cusomter testimonial

Mr T Illube
Loft Conversion, Richmond Upon Thames, Surrey

Cusomter testimonial

Mr & Mrs Simms
Rear Extension, Whitton

Cusomter testimonial

Mr & Mrs Cochrane
Single Storey Rear Extension, Twickenham, Middlesex

Cusomter testimonial

Mrs Kelleher
Side & Rear Extension. Twickenham, Middlesex

Cusomter testimonial

Mr M Guptor
Loft Conversion. Ealing, West London

Cusomter testimonial

Mr Schofield
Garage Conversion / Side Extension. Teddington, Middlesex