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.
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.
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.
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.
Loft Conversion vs Loft Extension: What’s the Difference?
Loft conversion and loft extension are often used interchangeably, but they describe very different approaches. This guide explains the difference, when each makes sense, and why many London homes cannot be converted without extending the roof.
Airtightness and Ventilation for Old London Houses in Plain English
A simple guide to airtightness and ventilation for London period homes. Learn how to keep your retrofit warm, dry and comfortable with the right approach.
Supplying Your Own Items on a Renovation
Supplying your own materials during a renovation can seem cost-effective, but it changes how responsibility and risk are structured. This article explains what shifts when items sit outside the building contract, and why clarity at the outset leads to more predictable outcomes.
Architect Fees in London
How much does an architect cost in London? This guide explains architect fees for major renovations and extensions, typical percentage ranges, and how fees relate to project scale and coordination.
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.
How to Brief an Architect in London
Briefing an architect is not about listing rooms. It is about defining priorities, investment and long-term performance clearly. This guide explains what homeowners often misunderstand and how to approach the process strategically in London.
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.
How We Test Design Before You Build
Before construction begins, key decisions about space, performance and cost must be tested. This article explains how 3D modelling, energy analysis and cost forecasting work together to support disciplined preparation in London renovation projects.
Architectural Interiors for London Homes
Many London homes feel disjointed not because of one big mistake, but because interiors are treated separately from the architecture. This article explains when a bespoke, coordinated interior approach adds real value.
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.
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.
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.
How to Retrofit a Victorian Home in London: Where to Start and What Matters Most
Planning a Victorian house renovation in London? Learn how to approach insulation, ventilation and heating as a whole system so your home becomes warmer, healthier and easier to live in.
Passive House Myths UK: What Homeowners Get Wrong (and What Actually Matters)
Passivhaus is often misunderstood. We break down the most common passive house myths in the UK and explain what they actually mean for cost, comfort and your home.
Kent House Longlisted for Archello Awards 2024
We are thrilled to announce that Kent House has been longlisted in the Archello Awards 2024 in the "House of the Year (rural)—Small" category. We are really grateful and are looking forward to the final results!
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.
How Much Does a House Extension Cost in London?
Extension costs in London vary more than most homeowners expect. This guide explains what really drives cost, from structure and materials to design decisions, so you can plan your project with clarity.