Critchlow & Kukkonen Ltd

Critchlow & Kukkonen Ltd Critchlow & Kukkonen Ltd provides museum standard conservation and restoration of easel painting services for a variety of public and private clients.

We have been very excited to be conserving the amazing Portrait of King Charles I by studio of Sir Anthony van Dyck,1635...
28/05/2026

We have been very excited to be conserving the amazing Portrait of King Charles I by studio of Sir Anthony van Dyck,1635-36. This painting once belonged to Sir Godfrey Copley, who lived at Sprotborough Hall near Doncaster. Last year it was generously donated to Danum Gallery, Library and Museum

Here is a sneak peak of the early stages of the process. Stay tuned to see what happened next:

1 – Retouching paint losses
2 – Detail of varnish removal
3 – Detail during removal of yellow varnish
4 – Before treatment
5 – After varnish and over-paint removal

We have just completed the conservation of 'Mountsorrell Marketplace", 1842, by John E. Ferneley, from . This painting...
14/05/2026

We have just completed the conservation of 'Mountsorrell Marketplace", 1842, by John E. Ferneley, from . This painting is brimming with interesting intricate details that were covered by old grime, varnish and over paint. Following conservation they are visible again!

1 - Surface cleaning
2 - Before treatment
3 - After treatment
4 - 9 - Details before and after
10 - Remnants of signature became more visible
11 - Conservation framing
12 - Back in the frame beautifully conserved by Mike Howden

It was a joy and privilege to work on this painting... What a transformation!
13/05/2026

It was a joy and privilege to work on this painting... What a transformation!

It was a privilege to be involved in this project... We will post more about the conservation journey soon!
13/05/2026

It was a privilege to be involved in this project... We will post more about the conservation journey soon!

We were delighted to have the Volunteer Film Team from Wentworth Woodhouse at the studio this morning...Watch this space...
06/05/2026

We were delighted to have the Volunteer Film Team from Wentworth Woodhouse at the studio this morning...

Watch this space for an upcoming film following the conservation of their family portrait of Charles, Lord Higham and his sister, Lady Charlotte Wentworth (18th century) by Philippe Mercier.

🎥 🎨

Recently we had a chance to prepare 'Helios' by Gillian Ayres, 1990, from Leeds Museums and Galleries for a loan. We cle...
23/04/2026

Recently we had a chance to prepare 'Helios' by Gillian Ayres, 1990, from Leeds Museums and Galleries for a loan.

We cleaned the intricate impastoed paint layers, the reverse and attached a stretcherbar lining to reduce vibrations during travel. Such a joyous painting to work on!

Varnishing day! Pictured:-Lucy C suited and booted in all the PPE-Our trusty spray gun -The semi-shiny synthetic varnish...
16/04/2026

Varnishing day!

Pictured:

-Lucy C suited and booted in all the PPE
-Our trusty spray gun
-The semi-shiny synthetic varnish mixture warming up on a hot plate..

We have just completed the conservation of the ‘View of Kirkstall Abbey’ ⛪️for Leeds Museums and Galleries. The treatmen...
14/04/2026

We have just completed the conservation of the ‘View of Kirkstall Abbey’ ⛪️for Leeds Museums and Galleries. The treatment included consolidation of fragile paint layers, removal of various coatings or dirt and varnish, tear repairs and lining, filling and retouching.

1 – Before treatment, raking light
2 – Before treatment, normal light
3 – During varnish removal
4 – After filling of the losses
5 – After treatment
6 – Reverse, before treatment
7 – Reverse, after treatment
8 – Reunited with the frame that was conserved by Mike Howden

'Beneath the Surface' by Patrick Procktor from Sheffield Museums came to our studio for conservation earlier this year. ...
27/03/2026

'Beneath the Surface' by Patrick Procktor from Sheffield Museums came to our studio for conservation earlier this year.

The large scale unvarnished painting was dry cleaned and treated for various canvas indentations.

You can now see it as part of the 'Revolution, revelation, reinforcement: Q***r Legacies in Sheffield's Art Collection' exhibition at Graves Art Gallery.

Meet Barrington Bourchier MP (1627-1680) by an unknown artist, from Beningbrough - National Trust.This over-door portrai...
05/03/2026

Meet Barrington Bourchier MP (1627-1680) by an unknown artist, from Beningbrough - National Trust.

This over-door portrait came to our studio for conservation recently. Little did we know that the very thick, aged varnish and over-paint layers were covering extensive splatters of old decorator's paint, and most surprisingly the sitter's hand! ✋🏼

Never a dull day! ✋🏼

1 - After treatment
2 - Before treatment
3 - Half way through varnish and over-paint removal
4 - Hand ✋🏼 emerging during cleaning
5 - Detail of underlying decorator's paint splatters

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Sizergh
South Yorkshire
LA8 8AE

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