Expert Solutions

Crittall-Style Steel Doors

Crittall-style steel doors have moved from a niche architectural choice to one of the most sought-after products we install. The appeal is clear — those slim black frames have a timeless quality that works in both period properties and contemporary extensions.

Modern steel-look doors use thermally broken steel or aluminium profiles that replicate the original Crittall aesthetic while meeting current building regulations — so you get the character of a 1930s steel window without the heat loss.

Available as external entrance doors, internal room dividers, or full-width glazed partitions. Particularly effective between a kitchen and a home office, living room and dining space, or as a dramatic entrance to a garden room.

✅ Authentic Crittall steel-look slim black frames

✅ Modern thermal performance — meets building regulations

✅ Available as internal or external doors

✅ Multi-point locking for external applications

✅ Any RAL colour — matte or gloss finish

✅ Reeded, clear or obscure glazing options

✅ Made to measure for any opening

✅ 10-year guarantee

Starting from (supply & fit)

£1,800

Free survey included. No-obligation quote.

Design Guide

Getting the Most from Steel-Look Doors

The best results come from understanding what makes these doors work — and where they can go wrong.

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Best for Period Properties

Arts and Crafts, Victorian, Edwardian and 1930s properties suit these doors particularly well. The industrial reference feels contextually appropriate rather than jarring.

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Glazing Pattern Matters

Large single panes read as contemporary. Smaller divided panes feel more period-appropriate. Reeded glass is an elegant solution for offices or utility rooms needing privacy.

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Finish and Colour

Matte black is the classic choice — closest to original steel. Anthracite grey is softer. For period homes, heritage dark green or navy can look stunning against brick or stone.

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Internal vs External

Internal Crittall doors let light pass between rooms without fully opening a space. External doors require thermally broken profiles and multi-point locking for security and building regulations.

Common Questions

Crittall Door FAQs

Are Crittall-style doors suitable for listed buildings?

Modern steel-look alternatives are generally acceptable in conservation areas and many listed properties. Always check with your local planning authority — we can advise on what's typically permitted in Kent.

How do they compare to original Crittall windows for heat loss?

Original steel Crittall windows had very poor thermal performance. Modern equivalents with thermally broken profiles and double glazing achieve U-values of 1.4 W/m²K or better — meeting building regulations.

Can I use Crittall doors internally without planning permission?

In most cases yes — internal non-structural alterations don't require planning permission. Check with us if your property is listed, as different rules may apply.

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