10-year protection
Protects your investment for up to 10 years.
Sash windows, casements and doors
made for London.
15Years
24/7Concierge
10yrGuarantee
— Our craft
Windows built to last generations
We combine traditional joinery with engineered timber, Accoya and slim double glazing — so your home keeps its character and gains modern comfort.
· CERTASS registered· Listed-building experience· West Molesey workshop
— Why homeowners choose us
Trusted across London
15+
Years experience
Specialising in London period properties.
24/7
Concierge service
Urgent adjustments and tailored solutions, whenever you need them.
CERTASS
Compliant
Self-certified to building regs — no council hassle.
10yr
Guarantee
On manufacture, installation and finish.
— Insurance-backed guarantee
UK's leading provider of
UK's leading provider of
Insurance Backed Guarantees.
Certified by QANW (Quality Assured National Warranties) — established 1994, over 2.5 million policies issued across the UK.
Confidence
Increases customer confidence in every job we complete.
Credibility
Strengthens our credibility as a CERTASS self-certifying installer.
Self-certification
Insurance-backed guarantees are required to self-certify jobs under CERTASS.
— Preserving Architectural Heritage
Three centuries of London
Three centuries of London
glazing, faithfully reproduced.
Each profile is drawn from period reference and rebuilt with engineered timber, Accoya, draught-proofing and slim-line double glazing.
1714 — 1830
Georgian Sash Windows
Elegant six-over-six glazing for townhouses and heritage properties across central London.
Glazing
6 over 6
Best for
Townhouses
U-value
1.2 W/m²K
Timber
Engineered Accoya
1837 — 1901
Victorian Sash Windows
Two-over-two bays and terraces with sash horns and period-correct ironmongery.
Glazing
2 over 2
Best for
Terraces
U-value
1.2 W/m²K
Detail
Sash horns
1901 — 1914
Edwardian Sash Windows
Six-over-two layouts for early 20th-century homes — classic aesthetics with modern performance.
Glazing
6 over 2
Best for
Edwardian semis
Acoustic
36 dB Rw
Profile
Slim-line
— Recent work
Made, fitted, finished by hand
A few windows from recent London projects — surveyed, built in our workshop and installed by our own team.
— Advantages of our production
Built for London
Built for London
weather, certified longevity.
We engineer period windows to outperform the originals on every measure that matters.
Energy Efficiency
Modern double glazing reduces heat loss and improves year-round comfort.
Longevity
Engineered timber construction ensures stability through the UK climate.
Eco-friendly Material
Sustainably sourced timber with a lower carbon footprint than uPVC.
— Instant estimate
Price your windows in seconds.
Standard timber sash from £1,350, plus £40 per glazing bar. Build your list and get an indicative total — then send it over for a free survey.
Estimated total
£0
Custom-size windows are quoted after a free survey.
- Subject to survey
- Based on our basic range of furniture
— Our process
Four steps,
Four steps,
one clear contract.
From the first phone call to the final pane fitted — you deal with the same small team.
Free Consultation
We discuss your needs and provide initial guidance and a clear quotation.
~ 30 minutes
Detailed Survey
Precise measurements and confirmation of all technical details.
~ 1 day
Bespoke Manufacture
Custom-made in our UK workshop to match your home's style.
3 — 5 weeks
Professional Install
Installed with minimal disruption and a flawless finish.
1 — 2 days
— Customer testimonials
What London
What London
homeowners say
Twelve sashes replaced across our Victorian terrace — immaculate finish.
EL
Eleanor H.
Homeowner · Islington
Conservation officers approved the specification first time.
JA
James C.
Homeowner · Notting Hill
Request a free quote
Tell us about your property and we will respond within one working day.
— Frequently asked questions
Answers before you call
Typically 60–90 minutes for an average flat or house. We measure every opening to 1mm, photograph profiles, review ironmongery and paint. The survey is free of charge with no obligation.
Yes. After survey we issue an itemised, fixed-price quotation. No day-rates, no surprise extras. The only variations would be client-requested scope changes signed off in writing.
Usually within 7 working days. For listed-building projects, we book up to 4 weeks ahead because the survey is more involved.
We don't charge for travel anywhere within the M25.
— Ready to start?
Free survey,
Free survey,
fixed quote.
Bespoke timber sash windows, casements and doors manufactured in our own UK workshop, installed across all London boroughs and beyond.
Phone
+44 20 8232 8585
Email
[email protected]