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SIP Build System · Passivhaus

The insulated steel panel system that makes Passivhaus possible.

Your project. Your build. Your Everhaus. One precision-engineered kit — panels, membranes, windows and expertise — delivered from a single UK source.

UK manufactured, UK engineered
Passivhaus Institute accreditation route
Kit-only or full install
Modern Passivhaus self-build exterior
STOCK IMAGE — replace with Everhaus project photography
Your Passivhaus Project

Everhaus makes Passivhaus projects possible.

Whatever you're building, and whoever you're building it for, the same system flexes to meet you where you are.

Achievable

Everhaus supplies everything you'll need to make Passivhaus manageable and successful — as a precision building kit alone, or the full package with installation.

Adaptable

The system works for every type of construction operation — from a solo self-builder to local authorities and housing associations, and every project in between.

Guaranteed

Everhaus reaches the highest industry standards and energy efficiency ratings — helping you build cleaner, healthier, cheaper-to-run homes and buildings.

Founder reviewing Passivhaus building plans
Hello Everhaus

Built from one self-builder's search for a better way to build.

Everhaus began evolving long before founder Paul Scholey knew where his past, present and future would take him. A career in renewables, and travel through nations at the forefront of eco-building, drew him toward Passivhaus methodology — and toward his own first self-build, a Passivhaus by the sea.

"Everhaus makes building Passivhaus homes more affordable."

The discovery of light gauge steel — engineered to precise specification without warping, shrinkage or weathering — changed everything. Paul built a full Passivhaus system around it: one UK system that could do everything. Today, Everhaus provides the essential ingredients of Passivhaus from a single source — quality panels and componentry, knowledge from design through installation, and a skilled team who bring it all together.

— Paul Scholey, Founder, Everhaus Ltd
What We Do

How can we help your Passivhaus project?

When we say Everhaus brings "everything," we mean everything — from the ground up.

Foundations

An Everhaus Passiv-standard floorslab, engineered as the airtight, thermally-broken base every project is built on.

01 — GROUND WORKS

SIP Build System

Our structurally insulated panel system — the Passivhaus-standard wall build-up at the heart of every Everhaus.

02 — WALL SYSTEM

Thermal Bridging

An airtight interior membrane and validated air testing, closing the gaps that let a building's energy escape.

03 — AIRTIGHTNESS

Windows & Doors

Precision-fit triple-glazed Aluclad windows and doors, including bi-fold and tilt-and-slide, in a range of colours.

04 — FENESTRATION
The Everhaus Kit

Every layer, and all the expertise, in one kit.

Every project is different, and Passivhaus is a conscious choice — presenting a different set of considerations beyond the usual budget and timeframe.

What's in the panel system

  • Everhaus Passiv-standard floorslab
  • Passivhaus-standard SIP wall system
  • High-quality exterior wind barrier / breather membrane
  • Interior airtight membrane, with validating air test
  • Intermediate floor with metal joists for ducting & cabling
  • LGS metal deck intermediate floor & interior LGS walls
  • Concrete intermediate floor screed
  • Triple-glazed Aluclad windows & doors

What's included with 'us'

  • Full design & planning, or collaborative assistance
  • Project management & quality control of UK panel manufacturing
  • Full installation, or targeted assistance from our advanced install team
  • Guidance toward Passivhaus Institute accreditation
  • A single point of contact from concept to completion
Everhaus For

We're here to help make your Passivhaus project possible.

Everhaus was built to flex — from one forever home to a programme of future homes for whole communities.

Self-build Passivhaus family home
Self-Build

Self-Builders

Contractor on a Passivhaus construction site
Delivery Partners

Contractors & Developers

Architect reviewing plans
Design Teams

Architects

Council housing development
Public Sector

Councils & Housing Associations

Featured Projects

Passivhaus, built.

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Passivhaus self-build
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Coastal Self-Build

SIP BUILD SYSTEM · SELF-BUILD

Passivhaus interior
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Low-Energy Interior Fit-Out

THERMAL BRIDGING · FULL PACKAGE

Housing association development
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Housing Association Scheme

MULTI-UNIT · KIT ONLY

Client Voices

Trusted by people building it themselves.

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"

Everhaus took the risk out of our Passivhaus build. The kit arrived exactly as specified, and their team was on hand at every stage.

JH
J. Harrison
Self-Builder, North Yorkshire
"

We've used the SIP system across three developments now. The airtightness figures speak for themselves, and clients notice the difference immediately.

RD
R. Dawson
Developer
"

As specifiers, having one supplier own the panels, the membranes and the airtightness testing removed a huge amount of coordination risk.

AM
A. Mercer
Architect
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We're here to help make your Passivhaus project possible.