Eco-Renovation UK Heritage Insulation Specialist
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Have a peek into our projects

We've been in the trade for 18 years, with a great many jobs behind us: insulation and renovation on traditional, listed and period buildings across London, Hertfordshire and Buckinghamshire, all in breathable natural materials.

Here are some of the projects. We don't stage our photos for the camera - they're just taken as the work goes along. Have a browse, or pick the category you're most interested in.

Showing 27 projects

PhotographListed Cottage in West Wycombe - fully insulated with natural and breathable materials - glasscrete to floor, lime-cork insulated plaster to walls and wood fibre to roofListed Cottage in West Wycombe - fully insulated with natural and breathable materials - glasscrete to floor, lime-cork insulated plaster to walls and wood fibre to roof
A Flint Cottage Undone by the 1970s, Restored with a 360° Breathable Retrofit West Wycombe, Bucks
PhotographExternal wall insulation of a detached cottage in Hemel Hempstead, with Diathonite Evolution lime-cork systemExternal wall insulation of a detached cottage in Hemel Hempstead, with Diathonite Evolution lime-cork system
Late Georgian Detached Cottage Thermal Upgrade with Full Diathonite Cork Wrap Hemel Hempstead, Herts
PhotographTimber-framed extension with blown cellulose and renovation with heat pump integrationTimber-framed extension with blown cellulose and renovation with heat pump integration
Bio-Based Eco-Extension - made of timber frame and wood fibre, Retrofit & Heat Pump Integration Finchley, London
PhotographRenovation and insulation this 16th century buildingRenovation and insulation this 16th century building
The Tudor Project, Conservation-Grade Refurbishment for a Listed 16th century Oak Framed building Chalfont St Giles, Bucks
PhotographInternal wall insulation to a Georgian townhouse in Islington, North LondonInternal wall insulation to a Georgian townhouse in Islington, North London
Preserving the Façade, Insulating Within - Diathonite IWI for an Islington Townhouse Islington, London
PhotographDeep renovation and insulation of a 1930s detached house in Epsom, with heat pump integrationDeep renovation and insulation of a 1930s detached house in Epsom, with heat pump integration
Decarbonising a 1930s Classic with a Full Wood Fibre Wrap & Heat Pump Retrofit Epsom, Surrey
PhotographTimber-frame extension with blown cellulose insulation with conservation-approved external detailingTimber-frame extension with blown cellulose insulation with conservation-approved external detailing
Old Roots, New Craft - Sustainable Timber-Frame Extension to a Tudor Home in St Albans St Albans, Herts
PhotographExternal wall insulation with wood fibreExternal wall insulation with wood fibre
Wrapping a Late Georgian Villa in Wood Fibre EWI Brixton, London
PhotographHighly insulated loft conversion and extension, lot of airtightness work and a very unusual EWI with unusual timber claddingHighly insulated loft conversion and extension, lot of airtightness work and a very unusual EWI with unusual timber cladding
Extreme Thermal Envelope - EnerPHit Airtightness & Deep Insulation on a Victorian Terrace with extension and loft conversion Walthamstow, London
PhotographListed cottage refurbishment, structural work, floor insulation with Geocell, internal works and new patioListed cottage refurbishment, structural work, floor insulation with Geocell, internal works and new patio
Penn Heritage Refurbishment - Listed Cottage Restoration with Geocell Floor Upgrade Penn, Bucks
PhotographExternal wall insulation to a 1930s semi detached house in Hemel Hempstead, HertfordshireExternal wall insulation to a 1930s semi detached house in Hemel Hempstead, Hertfordshire
Future-Proofing Interwar Suburbia - External Insulation Envelope on a 1930s semi Hemel Hempstead, Herts
PhotographEnerPHit project in Muswell Hill, high level of insulation and airtightness work with some structural alterationsEnerPHit project in Muswell Hill, high level of insulation and airtightness work with some structural alterations
An Edwardian Deep Retrofit Muswell Hill, London
PhotographExternal wall insulation with cork boardsExternal wall insulation with cork boards
Fin de Siècle Retrofit with Cork Boards Brockley, London
PhotographSorting out dampness and cold walls on the gable wall of this beautiful early Victorian propertySorting out dampness and cold walls on the gable wall of this beautiful early Victorian property
Healing an Early Victorian Gable with Diathonite Lime-Cork Retrofit Hemel Hempstead, Herts
PhotographConverting a damp and cold basement to a cosy study using the Diasen lime-cork systemConverting a damp and cold basement to a cosy study using the Diasen lime-cork system
From Cellar to Living Space. Waterproofing & Diathonite Thermal Render in a Victorian Basement St Albans, Herts
PhotographInternal renovation of an Edwardian property in Belsize Park, North LondonInternal renovation of an Edwardian property in Belsize Park, North London
Restoring Grandeur - Period-Sensitive Internal Renovation for an Edwardian terraced Belsize Park, London
PhotographBuilding the first hempcrete house in West Hungary - wetcast, with the help of a good friend, Will Stanwix, the 'hempcrete guy'Building the first hempcrete house in West Hungary - wetcast, with the help of a good friend, Will Stanwix, the 'hempcrete guy'
The Hemp House Project - Pioneering Wet-Cast Hempcrete Architecture in Hungary Hungary
PhotographInternal wall insulation with Diathonite lime-cork insulating plaster and wood fibre roof insulation with lime finishInternal wall insulation with Diathonite lime-cork insulating plaster and wood fibre roof insulation with lime finish
An ecological way for a Victorian Thermal Upgrade Southampton, Hampshire
PhotographA garage conversion where we insulated with hempcreteA garage conversion where we insulated with hempcrete
Garage conversion with hempcrete North London
PhotographMy outhouse, my playground - hempcrete went on the walls and floor for insulation, and i'm hoping to finish it one day with clay plasters, with a pastellone floor and a marmorino lime plaster on the bathroom wallsMy outhouse, my playground - hempcrete went on the walls and floor for insulation, and i'm hoping to finish it one day with clay plasters, with a pastellone floor and a marmorino lime plaster on the bathroom walls
An Eco-Builder’s Toy - Insulating My Own Cabin with Hempcrete Hungary
PhotographExtension built with ceramic blocks and 200mm wood fibre board, roof and floor with very high level insulation tooExtension built with ceramic blocks and 200mm wood fibre board, roof and floor with very high level insulation too
Sustainable Space - Low-Carbon Ceramic Block Extension with High-Spec insulation Hemel Hempstead, Herts
PhotographRoof insulation and airtightness worksRoof insulation and airtightness works
Draught-Free Farmhouse - High-Performance Roof Insulation with airtightness to converted loft Flamstead, Herts
PhotographOak-framed extension with wood fibre insulation and green roofOak-framed extension with wood fibre insulation and green roof
Timber & Turf - Oak-Framed Extension with Wood Fibre Insulation & Green Roof to a 1930s semi Guildford, Surrey
PhotographHempcrete rear extension to Victorian townhouse in Archway, North LondonHempcrete rear extension to Victorian townhouse in Archway, North London
A Low-Carbon Rear Extension to a Late Victorian Townhouse Archway, London
PhotographListed building insulated with Diathonite Evolution lime cork thermal render system that creates a roughcast finishListed building insulated with Diathonite Evolution lime cork thermal render system that creates a roughcast finish
Heritage Meets Innovation - Lime-Cork Insulating Render with Traditional Roughcast in Harrow Harrow, London
PhotographRoof insulation internally with Pavatex wood fibre insulation batts and boards, lath and plaster ceiling with hemp-jute insulationRoof insulation internally with Pavatex wood fibre insulation batts and boards, lath and plaster ceiling with hemp-jute insulation
Listed building roof insulation, lath and plaster ceiling Rickmansworth, Herts
PhotographListed building roof insulation with lime-cork-clay thermal plaster in BuckinghamshireListed building roof insulation with lime-cork-clay thermal plaster in Buckinghamshire
Roof insulation with lime-cork render Denham, Bucks

Is your house like one of these?

If you know what you want done, send us the details and we'll price the work. If you'd prefer someone to have a look at your building first, that's a survey.

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