Passive Haus Tradesperson

CG Joinery is a Passive Haus Certified Tradesperson. Buildings are a significant culprit of Carbon Emissions accountable for 35% of total global energy consumption. Backed with over 30 years of international evidence, Passivhaus is a tried & tested solution that gives us a range of proven approaches to deliver net-zero-ready new and existing buildings optimised for a decarbonised grid and augmented for occupant health and wellbeing.

What is Passivhaus?

Passivhaus buildings provide a high level of occupant comfort using very little energy for heating and cooling.

Passivhaus adopts a whole-building approach with clear, measured targets, focused on high-quality construction, certified through an exacting quality assurance process. For more on why adopting an efficient first approach is cruicial to meeting carbon targets.

EnerPHit is a slightly relaxed standard for retrofit projects, where the existing architecture and conservation issues mean that meeting the Passivhaus standard is not feasible.

Why Passivhaus?

It is important to understand the value & sound business case for building to the Passivhaus Standard; it is so much more than just world-leading energy efficiency and thermal performance. There are several benefits, and many are interconnected – creating a catalyst for positive effects. Low energy bills, constant fresh air, superior internal comfort, peaceful and quiet interiors – the list goes on. Learn why the Passivhaus approach is good for people and the planet. Get more detail in our Passivhaus benefits guide.

The heat losses of the building are reduced so much that it hardly needs any heating at all. Passive heat sources like the sun, human occupants, household appliances and the heat from the extract air cover a large part of the heating demand. The remaining heat can be provided by the supply air if the maximum heating load is less than 10W per square metre of living space. If such supply-air heating suffices as the only heat source, we call the building a Passivhaus.
Prof. Dr Wolgang Feist
Director of the Passive House Institute

How to achieve the Passivhaus Standard in the UK?

To achieve the Passivhaus Standard in the UK typically involves:

  • Accurate design modelling using the Passive House Planning Package  (PHPP)

  • Very high levels of insulation

  • Extremely high performance windows with insulated frames

  • Airtight building fabric

  • ‘Thermal Bridge Free’ construction

  • A mechanical ventilation system with highly efficient heat recovery

Passive Haus & Energy-Efficient Building in Newcastle upon Tyne & the North East

At CG Joinery & Building, we specialise in delivering high-performance, energy-efficient builds and retrofits across Newcastle upon Tyne and the wider North East. Whether you’re constructing a new home or upgrading an existing property, our Passive Haus-certified approach ensures airtightness, superior insulation, energy savings and minimal drafts, resulting in a home that’s comfortable, sustainable and future-proof.

We understand that building to Passive Haus or high-efficiency standards requires precision, expertise and a holistic view, from insulation, ventilation and windows to structural integrity, joinery, and compliance. Our experienced team works closely with you from design stage through to final completion to deliver a home that meets the rigorous standards of airtightness, thermal performance and energy efficiency.

What We Offer with Our Passive Haus / High-Efficiency Service

  • Full property retrofit & insulation upgrades – walls, roofs, floors, windows and doors to Passive Haus or near-passive standards

  • Airtightness & ventilation systems – installing MVHR (Mechanical Ventilation with Heat Recovery), airtight membranes, high-performance glazing and airtight joinery

  • Structural & joinery adaptations – ensuring structural work, roof strengthening, timber framing, and bespoke joinery meet high-efficiency requirements

  • New-build Passive Haus construction – from ground-up builds to sustainable energy-efficient homes

  • Refurbishment & EnerPHit retrofits – upgrading older properties to near-Passive standards: reducing heat loss, improving comfort and decreasing energy costs

  • Compliance, certification & quality assurance – ensuring work meets relevant regulations, performance targets and quality criteria for Passive Haus standards

Our goal is simple: to deliver homes that are not only warm, quiet and low-energy, but also built to last, respecting both modern sustainability standards and the character of property styles across Newcastle, Gateshead, Durham and the wider North East.

Why Choose CG Joinery & Building for Passive Haus Projects?

  • Certified & experienced tradespeople with strong understanding of airtightness, insulation, ventilation and sustainable building techniques

  • Holistic project management – we handle everything: structure, joinery, insulation, ventilation, glazing and finishing under one roof

  • Tailored solutions – whether you want a full Passive Haus new build, a retrofit to near-passive standards, or targeted energy-efficiency upgrades, we adapt to your budget and goals

  • Local knowledge – familiar with North East building regulations, climate considerations, and local property types, ensuring designs are efficient and appropriate

  • Long-term value & savings – lower energy bills, improved comfort, reduced maintenance and increased property value for low-energy homes

If you’re looking to build, retrofit or renovate with sustainability and performance in mind, CG Joinery & Building offers expert Passive Haus tradesperson services across Newcastle and the North East.

Contact us today to discuss your project, we’ll provide a detailed energy-efficiency assessment, practical advice on costs and performance, and a no-obligation quote.

FAQ - Passive Haus & Energy-Efficient Building (Newcastle & North East)

What is Passive Haus and why might I need it?

Passive Haus is a rigorous building standard focused on energy efficiency, airtightness, superior insulation and controlled ventilation. It delivers homes with minimal heat loss, lower energy bills and exceptional comfort.

Can you retrofit an older house to Passive Haus / EnerPHit standard?

Yes. We provide retrofit and EnerPHit-standard upgrades, improving insulation, replacing windows and doors, installing MVHR ventilation and upgrading structural elements to help meet your energy efficiency goals.

Is a full rebuild necessary for Passive Haus, or can existing homes be upgraded?

A full rebuild is not always necessary. Many energy-efficient upgrades — including insulation, airtightness improvements, ventilation, glazing and high-quality joinery — can dramatically improve an existing home’s performance without full reconstruction.

How long does a Passive Haus retrofit or build typically take?

Timeframes depend on property size and scope. A full new-build Passive Haus can take several months, while retrofits typically take around 6–12 weeks depending on complexity. We provide a clear project schedule after assessing the property.

What kind of cost premium should I expect for Passive Haus standards?

Costs depend on specification and scope. Airtightness measures, high-performance glazing and advanced insulation usually involve a premium over standard builds, but long-term energy savings and durability help offset this. We provide transparent, itemised quotations.

Will Passive Haus work in the climate of the North East (UK)?

Absolutely. The Passive Haus standard performs extremely well in cooler, wetter climates like the North East. High-quality insulation, airtightness and controlled ventilation improve comfort, reduce energy use and help prevent damp and heat loss issues common in older homes.

Do you handle all trades required (joinery, ventilation, insulation, plumbing, electrics)?

Yes. We manage structural work, joinery, insulation, ventilation system installation, glazing, plumbing, electrics and finishing, so you do not need to coordinate multiple contractors.

Which areas do you cover for Passive Haus & energy-efficient building projects?

We operate across Newcastle upon Tyne, Gateshead, Sunderland, Durham, North Tyneside, South Tyneside, Northumberland and the wider North East region.

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