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Listed flint & brick cottage · West Wycombe, Buckinghamshire

A Flint Cottage Undone by the 1970s, Restored with a 360° Breathable Retrofit

A 1970s renovation had sealed this listed cottage shut. Concrete had gone into the floor, cement and gypsum onto the walls. All of it came out.

What went back was chosen to let the building breathe on every surface: Geocell foamed glass and a limecrete floor with underfloor heating through it, Diathonite Evolution lime-cork-clay plaster on the walls, and Steico wood fibre between and under the rafters behind a Solitex Plus membrane. Lime plaster throughout, with the oak left showing.

Photograph Listed 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 Listed 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
Adam and his team helped us transform our Grade II listed cottage while protecting it against damp issues. From our very first interaction, Adam was approachable, easy to communicate with, and genuinely supportive. He listened carefully to our ideas and guided us through both the Listed Building Consent (LBC) application process and the subsequent renovations. Not only did Adam's team do a fantastic job with the building and insulation works, but they also expertly project-managed the plumbing and electrical installations. Adam has a wealth of knowledge when it comes to historic buildings, which gave us complete confidence throughout the project. We are delighted with the results and would highly recommend Adam and his team.
Amanda C the client on this project
02Ground concrete floor taken upGround concrete floor taken up

Ground concrete floor taken up

03Structural strengthening of retaining wallsStructural strengthening of retaining walls

Structural strengthening of retaining walls

04Geotextile being laid before installation of Geocell glass foam insulationGeotextile being laid before installation of Geocell glass foam insulation

Geotextile being laid before installation of Geocell glass foam insulation

05Pouring & raking in geocell foam glass aggregatePouring & raking in geocell foam glass aggregate

Pouring & raking in geocell foam glass aggregate

06Geocell foam glass insulation compacted & levelledGeocell foam glass insulation compacted & levelled

Geocell foam glass insulation compacted & levelled

07Stainless steel reinforcing mesh & underfloor heating pipes laid over foam glass insulationStainless steel reinforcing mesh & underfloor heating pipes laid over foam glass insulation

Stainless steel reinforcing mesh & underfloor heating pipes laid over foam glass insulation

08Installing cork insulation strip at the perimetersInstalling cork insulation strip at the perimeters

Installing cork insulation strip at the perimeters

09Underfloor heating pipes neatly tied to stainless steel meshUnderfloor heating pipes neatly tied to stainless steel mesh

Underfloor heating pipes neatly tied to stainless steel mesh

10Limecrete floor installation, mixture being levelled & compressedLimecrete floor installation, mixture being levelled & compressed

Limecrete floor installation, mixture being levelled & compressed

11Limecrete floor installation, checking levelsLimecrete floor installation, checking levels

Limecrete floor installation, checking levels

12Limecrete floor installation, first section completedLimecrete floor installation, first section completed

Limecrete floor installation, first section completed

13Battens in place for thermal insulation installationBattens in place for thermal insulation installation

Battens in place for thermal insulation installation

14Diasen Diathonite Evolution lime-cork-clay based insulating plaster applied to wallsDiasen Diathonite Evolution lime-cork-clay based insulating plaster applied to walls

Diasen Diathonite Evolution lime-cork-clay based insulating plaster applied to walls

15Diathonite Evolution lime cork insulating plaster smoothed overDiathonite Evolution lime cork insulating plaster smoothed over

Diathonite Evolution lime cork insulating plaster smoothed over

16Preparation for roof insulation, felt lap vents installedPreparation for roof insulation, felt lap vents installed

Preparation for roof insulation, felt lap vents installed

17Pro Clima Solitex Plus breathable roofing membrane installedPro Clima Solitex Plus breathable roofing membrane installed

Pro Clima Solitex Plus breathable roofing membrane installed

18Steico flexible wood fibre batts installed between roof battensSteico flexible wood fibre batts installed between roof battens

Steico flexible wood fibre batts installed between roof battens

19Roof & loft ceiling insulated with Steico flexible woodfibre battsRoof & loft ceiling insulated with Steico flexible woodfibre batts

Roof & loft ceiling insulated with Steico flexible woodfibre batts

20Steico Duo Dry rigid wood fibre insulation boards fixed under the raftersSteico Duo Dry rigid wood fibre insulation boards fixed under the rafters

Steico Duo Dry rigid wood fibre insulation boards fixed under the rafters

21Finished lime plaster in dormer & loft areaFinished lime plaster in dormer & loft area

Finished lime plaster in dormer & loft area

22Finished lime floor & lime plaster in living roomFinished lime floor & lime plaster in living room

Finished lime floor & lime plaster in living room

23Finished lime plaster with feature beam along the ceilingFinished lime plaster with feature beam along the ceiling

Finished lime plaster with feature beam along the ceiling

24Finished room, lime plaster and exposed beamsFinished room, lime plaster and exposed beams

Finished room, lime plaster and exposed beams

25Finished room plastered painted, with exposed timber beamsFinished room plastered painted, with exposed timber beams

Finished room plastered painted, with exposed timber beams

26KitchenKitchen

Kitchen

27Room paintedRoom painted

Room painted

28Room paintedRoom painted

Room painted

Is your house like this one?

If somebody sealed your old house with cement, gypsum or concrete and the damp arrived afterwards, this is the work that undoes it.