About Us & Our Clients

We specialise in high performance, low carbon residential buildings working with the full range of projects from London super-prime to general social housing. As Passive house Consultants, we bring an indepth knowledge of building physics into achieving exemplary houses. Our unusually broad experience  allows us to bring innovative solutions into all projects we're involved with.

Our staff and associates are all highly qualified professionals with many years of practical experience spanning all the areas relating to the code.

Our Clients include the following:

Accord Housing Association

AES Southern Ltd

APT design

Alan Pither Ltd


Barnes Webster

Barratt Homes

Barratt Mercia

BLB Engineers

Bluesky Unlimited

Bovis Homes


Britch & Associates

Bryant & Reina Group

Capita Symonds

Capita Symonds Structures

Carbon Green Consulting

Carbon Plan ltd

Carley Daines Ltd


Clear Environmental Consultants Ltd




David Wilson Homes

Degrees of Green

DPS Sussex Ltd

Eco-Rating Services Ltd

Elite Energy


Griffiths Services

Harrison Group



Irwell Valley H. A.

Janine Stone

JNP Group

Jones Homes


Landmark Housing Ltd

Leku Environmental

Linden Homes

M2 Building Consultants

Martlet Sustainable Home Assessors

Millennium Designs

Miller Homes

MP Building Assessors Ltd

Persimmon Homes

Peter Moss and Associates

PFA Consulting Plc

Phoenix DP



Rickaby Thompson Associates

Robert Bilbie Consultancy

ROK Building Ltd

RPS Group

Rund Partnership Ltd

SDC Builders Ltd

Taylor Wimpey

William Davis

Wolf Systems

Yarlington Housing Group

Code Consultancy Services Ltd is registered in England with Company number 6585993.