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The Magic of Mirrors: My Big Takeaway from a London House Museum

Annie Elliott | February 22, 2026

Imagine you live in a row house in 1790s London, Gentle Readers. (Actually, it was several connected row houses by the 1820s, but that’s beside the point.)

Imagine that it is lit by oil lamps and candles. Further imagine that you are the collector of fine and interesting art and objects that you would like to be able to see.

Museum room crowded with antiquities, statues, architectural elements.

What’s a Regency-era-mansion-dwelling-gentleman-collector to do?

If you’re the English architect Sir John Soane, first you install skylights to bring as much daylight possible through all levels of the building. (Skylights were fairly new and very expensive back then, and few residences had them.)

Museum room with domed skylight crowded with antiquities, statues, architectural elements.

I mean, you install skylights everywhere.

Museum room with small round skylight over antique architectural friezes, possibly bronze.

Domed, rectangular, large, small…all kinds. And again: everywhere.

Museum room with domed skylight crowded with antiquities, statues, architectural elements.
Ornate tall coffered ceiling with large rectangular curved skylight
Ancient busts and architectural elements in skylight-lit small museum.

You even cut openings into the floors to coax light into the subterranean level,

Basement-level museum room with antiquities and hole in ceiling with grille.
Basement-level museum room with hole in ceiling allowing light from room above.

and install slanted, conservatory-like windows between the courtyard and the rooms surrounding it.

Room with window onto enclosed courtyard.

THEN, Gentle Readers, THEN you become something of a genius in your use of mirrors. Because skylights and windows work when there is daylight to be had, but when the sun goes down…what does one do then?

When I visited Sir John Soane’s Museum recently, I was blown away by the cleverness — and craftsmanship — that went into installing so many mirrors to maximize all light: from the sun, candles, and oil lamps.

We’re not just talking about a big mirror over a fireplace. We’re talking about integrating mirrors into the architecture. Stealth mirrors. I didn’t even notice most of them on first pass.

Here’s the library. How many mirrors do you see in this picture?

Historic library with vertical mirrors between bookcases and behind arch above.

There are four.

Historic library with vertical mirrors between bookcases and behind arch above and arrows pointing them out.

Ok, maybe that was a gimme.

But how about here, in the Breakfast Room? This sketch provides a better wide view than any photograph I took or found. This is from the museum’s website.

Watercolor sketch of airy, domed 18th-century breakfast room.

The small mirrors around the stained glass part of the domed ceiling are obvious,

Domed ceiling with stained glass surrounded by mirrors

as are the large round mirrors below that.

Room with domed ceiling with stained glass surrounded by mirrors

Less obvious, though, are the tiny mirrors in the arches and elsewhere. In this picture alone, you have 25:

Room with domed ceiling with stained glass surrounded by mirrors and arrows indicating mirrors

There are 6 more on the fireplace.

Fireplace with small convex mirrors on surround

You even tilt the mirror on the mirror above the fireplace to direct light down, to the tabletop — seated-person level.

Fireplace with mirror over mirror above mantel

All in all, there are more than 100 mirrors in the Breakfast Room alone. I mean, the man wanted LIGHT.

Sir Soane took every opportunity he could to add mirrors to his museum/office/home, sometimes in an overt way,

Red room with two convex mirrors and a painting hung on a mirror over a piece of furniture

and sometimes surreptitiously.

Hallway with mirrored door cabinet and mirrors on small angled wall

I’ll be honest: I rarely think about using mirrors as an architectural element. There have been a few times when I’ve installed a frameless, chimney-wide, mantel-to-ceiling antiqued mirror over a fireplace, on which I’ve hung a framed mirror or painting. That can look really nice.

But looky here! A mere few months after I visited Sir John Soane’s Museum, I had lunch at a darling restaurant in Holland Park. And what did I see?

Restaurant with mirrors on fronts of soffits

Mirrors on the faces of soffits. Don’t miss the smaller ones at left, by the bar.

Subtle, right? Nay, innocuous? But the mirrors bring light and a bit of spaciousness to a smallish room with no side windows.

I bet I could pull this off in the right under-lit room. It’s something to think about, for sure.

Sir John Soane’s Museum is located at 13 Lincoln’s Inn Fields, London, WC2A 3BP.

Annie Elliott Design is booking projects for late spring 2026. Please contact us to discuss.

Category: Historic houseTag: 18th-century, 19th-century, antiquities, concave mirrors, historic house, London house museum, mirror over mirror, mirrors, Regency, Regency architecture, Sir John Soane's Museum

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