Leading the UK External Wall Insulation Industry
The Insulated Render and Cladding Association (INCA), is the recognised trade association for the External Wall Insulation (EWI) industry, representing the major system designers, a nationwide network of specialist installers and key component suppliers.
Welcome To INCA – The Insulated Render and Cladding Association. Formed in 1981 to represent the External Wall Insulation (EWI) industry throughout the UK and to promote technical excellence, high quality and best practice throughout the industry.
Mission Statement: Representing members of the External Wall Insulation industry through technical excellence, effective collaboration, strong marketing, communication and member benefits.
In order to join INCA, companies must satisfy the criteria for membership. This gives clients using an INCA member the confidence they are working with a reputable Specialist Contractor that meets recognised standards of competence. So the next time you choose an EWI partner look for an INCA member and the logo you can trust.
INCA – Connecting The External Wall Insulation Industry
INCA connects customers with system manufacturers and designers, installation contractors and associated organisations. Find out more about External Wall Insulation and how INCA members can help you.
INCA EWI Directory – Find An INCA Member
Whether you are a private home owner, private or social landlord, Architect / specifier or a main contractor, considering an EWI system then make sure you connect with an INCA system designer or installer.
INCA – Recognising Achievement
INCA Awards 2025 – Winners Announced
The winners of the 2025 INCA Awards were revealed at a glittering ceremony at the Queens Hotel, in the centre of Leeds, on Thursday 6th November 2025 which was attended by around 300 INCA members and their guests from across the EWI industry.
Some absolutely stunning projects and worthy winners from across multiple categories – full details of which can be found on the INCA Award Winners page or within the pages of the winners brochure.
Congratulations go to all the winners and thanks to all those who entered and helped make this years event bigger and better than ever before.
In addition we also raised some much needed money (well over £2,000) for our chosen charity CRASH – the construction industry charity.
We’ll be launching the 2026 INCA Awards early in the new year so … watch this space!
INCA Awards Winners 2025
Below are a selection of the winners of the 2025 INCA Awards or you can visit the winners page … highly impressive we think you’ll agree!
Avon Point.
Aliva UK
PIC Construction
Upper Court
Saint-Gobain Weber
Gallions Reach
Soltherm
Guildmore Ltd
Bromford SHDF.
Structherm
Joyner Group
Welwyn and Hatfield
K Systems
BTS Special Works
4 Wood Lane After – 54 North Homes
Wetherby Wall Systems
Thomas Niamh Contracting
ACHA Rothesay 7
Structherm
Procast Group
Cheviot Court
K Systems
St Giles Community Centre.
K Systems
The Old Parsonage.
PRB Systems
Contemporary New Build, Nottingham 4
Saint-Gobain Weber
The Limes.
Wetherby Wall Systems
Willow Grove Primary School
Rendserve Limited
Camelon Crescent
Sika Limited
GMG Contractors
Bedford Road
EWI Pro Insulation
Number 23
EWI Pro
Dr Jerry Harrall
Thank You To Our Sponsors In 2025
INCA – Keeping The Industry Informed
INCA keeps you up to date with all the latest news, guidance, grants and regulations relating to External Wall Insulation systems, render and cladding in the UK.
INCA is at the forefront of transforming the energy efficiency of homes and businesses in the UK. Representing the EWI industry we seek to influence and support Government policy making decisions.
Sign up to the weekly INCA newsletter and important industry updates by email: