Journal: Ideas & Insights for Sustainable Homes and Retrofits

Our Journal shares expert guidance, creative inspiration, and practical advice from eco-friendly, sustainable architects in London. Whether you’re planning a low-energy extension, a sensitive retrofit of a period property, or a future-ready new build, you’ll find insights here on Passivhaus principles, natural materials, and planning advice to help you create a brighter, warmer, healthier home that works beautifully today and tomorrow.

Greg Mathers Greg Mathers

A whole-house approach that brings clarity

Not sure where to start with your home renovation? This guide explains how to plan your project properly by looking at your home as a whole, so you can avoid common mistakes and make better decisions about layout, space and performance.

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Internal vs External Wall Insulation for London Period Homes

If you are unsure whether internal or external wall insulation is right for your Victorian or Edwardian home, this guide will help you understand the benefits, challenges and planning considerations of each approach. You will find clear explanations written for London homeowners, with a focus on comfort, moisture safety and long-term performance.

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Retrofit & Sustainability, Period Homes Greg Mathers Retrofit & Sustainability, Period Homes Greg Mathers

Avoiding Damp and Mould in London Retrofits: A Homeowner Guide

Damp and mould often appear slowly in London period homes. Corners cool down, condensation gathers and a faint musty smell begins to show. This guide explains how insulation, ventilation and breathable materials work together to keep moisture moving in the right direction. A simple path to a home that feels brighter, warmer and easier to live in.

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Insulating a Victorian terrace in London: a practical guide

A Victorian terrace can be a wonderful home, but many lose heat quickly and suffer from cold rooms, condensation and rising energy costs. This practical guide explains how to insulate a Victorian terrace in London in a way that protects the original brick, manages moisture and creates a warmer, healthier home. You will learn where heat is lost, which materials work best and how to plan the upgrades in a sensible order.

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Insulation Scandal? Why Good Design and Oversight Matter More Than Ever in Retrofit

A government-backed insulation scheme meant to cut bills and carbon has left thousands of homes colder, damper, and in some cases uninhabitable. At the heart of the scandal is not insulation itself, but poor design, bad workmanship, and missing oversight. This blog explores why breathable materials, moisture-aware detailing and proper ventilation matter — and what homeowners can do to avoid the same mistakes.

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Studio News Daniela Ciarcelluti Studio News Daniela Ciarcelluti

Does an extension always have to be box shaped?

Extensions don’t have to be glass boxes. In her Good Housekeeping interview, Daniela Ciarcelluti explained how shapes drawn from context — angled walls, pitched roofs, courtyards and soft corners — can transform period homes. At Culverden Road, a triangular zinc-clad garden room replaced a dated conservatory, improving light, comfort and connection to the garden. The result shows how thoughtful design creates sustainable, timeless spaces that feel as though they have always belonged.

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Retrofit & Sustainability Greg Mathers Retrofit & Sustainability Greg Mathers

Why Victorian Houses Overheat in Summer — and How Retrofit Design Prevents It

Victorian houses are beautiful, but they were not built for today’s hotter UK summers. Their solid walls and historic features often trap heat, making them uncomfortable during heatwaves. Retrofitting with modern insulation, ventilation, and sustainable cooling systems allows homeowners to stay comfortable while preserving their heritage and reducing energy use.

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Retrofit & Sustainability Greg Mathers Retrofit & Sustainability Greg Mathers

What Is Retrofit? A Homeowner’s Guide to Improving Energy Performance

Have you ever wondered how you can enhance your home's energy efficiency without starting from scratch? What if there was a way to improve your living space while making it more sustainable?

Retrofitting is one of the smartest ways to improve the comfort, energy efficiency, and resilience of your home. In this guide, we explain what retrofit means, why it’s essential for the UK’s net-zero goals, and how sustainable architects can help you achieve a practical, future-proof upgrade — whether as part of an extension, a loft conversion, or a whole-house renovation.

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How to Choose and Appoint the Right Builder for Your London Renovation

Choosing a builder is where design becomes commitment. This guide explains how mobilisation, structured tendering and contract formation should be professionally administered on a London renovation. Clear process at this stage sets the tone for construction and protects both client and contractor.

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