Renovation blog

Eco-renovation of an ancient farmhouse and its attached garage

Here are the stages in the project to go from a near-ruin to a comfortable holiday retreat fostering a low-carbon lifestyle :

Collector
MAIN LV BOARD
Living room
Crane

November 2024

The plumbing is taking shape, the electrical boards have been installed and the light fittings attached. The crane is folded, ready to be taken down to the watermill for the roof replacement.

hemp linen cotton insulation
Laundry
Laundry

November 2024

The utility room has been insulated and rendered watertight, but the buried wall is damp and will need to be waterproofed.

Living room
Tiles
Room 5

November 2024

The tiles are laid, as are the radiators. The painters are laying the first coat.

Lime and hemp concrete worksite
Lime hemp sand plaster
Hemlock-lime wall

October 2024

A one-day community project to coat the wall of the living room, insulated in August, with lime, hemp and sand. See the lime/hemp blog.

Copper plumbing pipes
Ventilation and storage tank
Ventilation and storage tank

September 2024

The installation of hot water tanks and ventilation is underway in the attic of the annex.

application of stone rendering
application of stone rendering
Living room wall rendered in stone

September 2024

Some dividing walls are coated in sand-lime with exposed stones.

Lime-hemp project
Lime-hemp project
hemp lime insulation worksite

August 2024

A two-day community project to insulate a lounge wall in hemp/lime. 6 volunteers and 2 technical coaches make up an A-team! See the lime/hemp blog.

Entrance bay joinery
Entrance bay joinery
Living room Moulin des Etrebieres

July 2024

The large bay opening onto the future south-facing terrace has been installed. We are weathertight!

Placo tablete
Plasterboard insulation
Placo reseaux

June 2024

The plasterboard installation is progressing. Plasterboards must be cut to fit the stone wall as closely as possible. All the electrics and plumbing are routed behind the plasterboard, and need to be marked out so that the switches, lights, radiators and other taps can be installed once the painting is done.

Plasterboard insulation
Hemp linen cotton insulation
hemp linen cotton insulation

May 2024

A new phase begins for hemp/flax/cotton wool insulation from Biofib,a Vendée-based company.

Fire door before
Fire door extension
Fire door to annexe

May 2024

Enlarging an opening to install a regulatory fire door between the two houses.

Roof
Roof
Tiled roof

May 2024

The panels of the covered courtyard north of the house were removed to allow for retiling.

External joinery
External joinery
External joinery

May 2024

The exterior joinery has been installed. It's starting to look like a house.

Entrance to hamlet before
Entrance to hamlet after
Removal of electricity poles

May 2024

The two power poles have been removed to clear the view.

Wall repairs
Wall repairs

April 2024

Repair of a wall section that collapsed during the removal of the cement coating. Each stone is selected according to its shape, laid according to its face and wedged with smaller stones.

An old door converted into a window can be seen. One of the many evolutions of the house over centuries to adapt to the inhabitants' needs.

Stone wall stitching
Stone wall stitching
Stone rendered wall

April 2024

Preparation of dividing walls for coating. These walls have no external exposure and therefore do not need to be insulated. They can be coated as exposed-stone walls to give bedrooms 2 and 4 a certain chic.

Sand lime plaster before
Sand lime plaster
Gite facade

April 2024

Preparation of the outer walls for coating. The house was stripped of its cement sheath and given a new sand-lime coating: solid for the south gable and western facade; exposed-stone for the eastern and northern facades.

Flooring installation
Flooring installation
Flooring installation

April 2024

Consolidation or replacement of floors to create a sufficiently flat surface to lay the wood flooring.

Room 7 before
Room 7
Room 7 after

April 2024

Before and after: the large attic bedroom will have its own en suite bathroom and can sleep three people.

Velux
Velux
Tile roof

April 2024

Installation of 3 roof windows. One for the attic bedroom, two for the living room.

Removal of electricity poles
Removal of electricity poles
Removal of electricity poles

April 2024

To prepare for the removal of two power poles in the garden, Enedis removes the cables and reconnects the power from the new meter.

Window drilling
Old wall thickness
Window drilling

March 2024

Two windows are pierced in the south gable, which had none. This is an opportunity to see how ancient stone walls were made. The stones are interlocked and mixed with red earth. Did you know? The word "parpaing" originally referred to a stone that stretches from the outer side to the inner side of the wall..

Roof
Roof boarding
Roof

March 2024

The frame is in place. Crossbeams, trusses, purlins and rafters - there's a whole new vocabulary to discover. The weatherproof under-roof membrane is laid on top of the battens to improve watertightness and is fixed by counter-battens.

Linky meter installation
Linky meter installation
Linky meter installation

March 2024

To prepare for the removal of two power poles in the garden, Enedis bures the cables and installs the cases for the new meter.

Framework
Framework
Framework
Framework

March 2024

The frame arrives as parts by semi-trailer. It's not easy to manoeuvre around the bend. The carpenters assemble the trusses on site, then use the crane to lift them onto the concrete supports cast at the top of the walls. Then all four walls will be linked together - with concrete again, as required by anti-seismic regulations...

Frame removal
Wall repairs
Frame removal

March 2024

After removal of the old frame, the dividing wall between on level 3 is found to have been added in at a later stage. It needs to be strengthened and linked to the perimeter wall (wall ties) to bear the new frame.

Window drilling
Tomettes
Gravel

February 2024

The scaffolding is erected to gain access to the roof, a fairly long and tedious process. In Hong Kong, scaffolding is made of bamboo, which is very light and can be erected very quickly, but it's a skill that is being lost. While clearing the ground to install the scaffolding, a terracotta tile floor appears. The tiles were laid directly on the ground, which must have meant poor insulation.

Condemnation openings
New living room wall

January 2024

After many months of demolition, construction can finally begin.

Left photo : A door and window will now be under the terrace, and are bricked up.

Right photo: The back wall of the living room, which was in poor condition, is being rebuilt.

Crane
Crane

January 2024

The crane is in place. The workers had to dig right down to the stable wall to be able to wedge the crane into the 'upper alley', just above the house.

Concrete slab
Concrete slab
Bedroom 1 and 2 concrete slab

January 2024

The concrete slab is poured using a pump powered by a concrete mixer. The pump has a long arm that enables it to get to hard-to-reach places. The concrete is then smoothed with a tamping bar. In the future bedrooms/shower rooms, cardboard wedges were placed along the walls to separate the slab from the wall. In this way, any residual seepage water that might run under the wall will drain away through the gutter.

Lounge drain
Drainage layer

January 2024

To reroute the water running under the house, a trench close to 2 m deep was dug in the future living room to lay a drain (left) that will run under the terrace.

A draining sheet is also laid over the entire surface of the downstairs bedrooms and the living room. This sheet (black in the photo) is lined with small tubes that capture the water and direct it to a central drain, which in turn brings the water to the outside.

Bedrooms 1 and 2
Chamber 1 and 2 draining layer
Bedrooms 1 and 2
Bedroom 1 and 2 concrete slab

January 2024

Pipes are assembled in the location of the future service ducts. Then the draining sheet is laid, followed by the metal for the concrete slab.

Bedrooms 1 and 2 evacuation
Bedrooms 1 and 2 evacuation
Bedrooms 1 and 2 evacuation
Bedroom 1 and 2 plumbing re2seau

December 2023

Drainage pipes are laid, then covered with a mixture of sand and gravel. The empty blocks are future concrete blocks to support the staircase and a retaining pillar. The hot water, cold water and heating pipes are in place. Two pipes are needed per sink/shower/bathtub/radiator, including for the shower rooms on the first and second floors.

Lounge drain

November 2023

Thanks to heavy rains, a water vein running under the houe appeared during the excavation of the future bedrooms (video). The house is on a hillside and built on schist rock. The water therefore seeps easily and runs over the rock. A trench was dug in the living room, above the bedrooms, and the water vein was found close to 2m deep. A solution has to be found to drain the water before and after the wall.

Salon before
Salle de vie before
Bedrooms 1 and 2 before
Bedrooms 1 and 2 before

October/November 2023

The future living room was originally just a beaten earth garage. Part of the roof had collapsed, but the stone walls are superb.

The ground was scraped to check that the rock was not immediately below and that excavation could take place. A buried wall was discovered 30cm from the main wall. Its purpose is to support the main wall but also to allow it to breathe by keeping a thin layer of air between the two walls. The breeze-block wall at the back of the room was knocked down. The roofing sheets were also removed to allow for the future removal of the frame.

All joinery was removed (doors, windows) and reused locally. The staircase was removed.

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