Lime

Lime plaster, render and lime wash

Traditional lime plastering for historic buildings across the Cotswolds, with care for their character and original fabric.

Lime-washed plaster infill panels where the timber framing meets the ceiling, the colour deepening across the surface

Why lime

Lime is central to our work at Classic Plasterwork. Whether conserving an early plaster finish or replastering a stone wall, we start by understanding the building, the materials already present and how they are performing.

Lime allows moisture to move through the building fabric and evaporate. It can also accommodate a degree of movement: qualities that make it well suited to many traditionally constructed buildings. Where unsuitable modern materials have been introduced, we often find cracking, trapped moisture and deterioration beneath the surface.

Choosing the right lime is part of the craft. The mix, preparation, coat thickness and curing all need to suit the background and site conditions. We examine surviving plaster, prepare samples where needed and allow time between coats. Our aim is to retain as much original material as possible and make repairs that work with the building and sit comfortably alongside what remains.

Lime Work

What we do in lime

01

Lime Plastering

We carry out internal lime plastering on timber lath and masonry, using lime putty in two or three coats to suit the background and finish required. Each coat is applied and worked by hand, following the character of the existing surfaces. Where historic plaster survives, we assess its condition and retain it wherever possible, securing loose areas where practical and making local repairs where plaster has been lost or cannot be saved.

Ceilings on timber lath · walls over stone and rubble · cold and damp external walls · repairs after structural work

02

Lime Rendering

At Classic Plasterwork, we repair and renew external lime render with careful attention to the building’s construction, character and exposure. From hand-applied harling to plain finishes, we select suitable lime mixes and retain sound original work wherever possible, helping walls shed rain while allowing moisture to escape.

Cotswold stone cottages · timber frame infill panels · cob and chalk walls · re-rendering over failed cement

03

Re-pointing

Repointing is the removal and replacement of deteriorated mortar between stones or bricks. In historic buildings, a suitable lime mortar helps protect the masonry, allows moisture to escape and maintains the wall’s original appearance.

Cotswold limestone · rubble and squared stonework · brickwork · garden walls and chimney stacks

04

Lime Floors

We lay limecrete floors with insulating aggregate beneath, providing a vapour-permeable floor construction suited to many traditional buildings. Each floor is specified to suit the building, ground conditions and intended stone or brick finish. We also repair existing floors, lifting and re-bedding loose flagstones in lime mortar, resetting hearths and conserving worn thresholds, retaining original material wherever possible.

Limecrete slabs · stone and flag floors · hearths and thresholds · floors in solid-walled and timber-framed buildings

05

Lime Wash

We apply traditional limewash to internal and external surfaces, using lime putty, water and pigments where colour is required. Lime putty is the binder: it holds the pigment and forms a breathable coating that becomes part of the surface rather than covering it with a sealed film. We build up the finish in thin coats and prepare samples on site, allowing them to dry before agreeing the final colour.

Interior walls and ceilings · timber frame infill panels · external render · breathable finishes over new lime plaster

06

In Situ Running

In-situ lime mouldings are decorative plaster details formed directly on walls and ceilings using traditional running techniques. From cornices to ribs and curved profiles, this approach allows existing features to be repaired, missing sections reinstated and new work created to suit the building.

Cornices and ceiling ribs · panel and dado mouldings · architraves · repairs to historic profiles

A gabled elevation in red brick and weathered stone with lime mortar joints, a sash window, and a black downpipe against a clear sky
Brick and stone brought back to one elevation

In the Work

From first coat to finish

A lime cornice being run in situ, the profile drawn along the wall with a timber running mould, the crisp ridges and hollows of the section catching the light
In situ running of a cornice
Finished lime plaster to a wall beneath a casement window, meeting the existing painted plaster, with a weathered timber beam at the left
Finished lime plaster meeting the window reveal
A ceiling of newly applied lime plaster, scored in a diamond pattern to key the next coat, with bare timber laths exposed beside it
Screeds laid and ready for float coat
A scored lime base coat on a wall beneath a multi-pane window, meeting the existing painted wall
Scratch coat keyed where repair work was needed
A room with a fresh scratch coat over a wall and ceiling, exposed brickwork below and a chandelier hanging from a plaster ceiling rose
Scratch coat in non-hydraulic lime plaster
A keyed plaster panel meeting restored bead-and-reel cornice, with exposed brickwork in the depth behind
Scratch coat applied prior to cornice repairs
A wall stripped back to exposed timber laths beside a plastered finish built up in successive coats
New laths fixed ready for scratch coat
New timber laths fixed to studwork with insulating panels over them, prior to the first coat of plaster
Laths fixed and wood wool panels in place to take recessed lighting
A craftsman pressing straw-bound daub by hand into a timber frame panel between aged oak beams
Straw-bound daub applied by hand between new wattle
A plasterer working lime mortar by hand into the joints of a rubble stone wall from a timber scaffold platform
Re-pointing in lime mortar

Lime work and decorative plaster work are closely connected, and historic buildings often need both. We consider the building as a whole, advising on suitable materials and finishes with care for its construction and character.