SASH WINDOW
SPECIALISTS FOR OVER 40 YEARS
With over 40 years’ experience, William Richards is trusted by London homeowners for our craftsmanship, reliability, and attention to detail. Family run for over 40 years, we specialise in the restoration and replacement of traditional sash windows - combining time-honoured techniques with modern efficiency.
In today’s climate, we know value matters more than ever. That’s why we’re committed to keeping our prices competitive, while never compromising on quality, service, or finish.
Whether you’re restoring period features or upgrading for energy efficiency, our expert team is here to help you achieve the perfect result - at a fair price.
15% off Double Glazed Sash Upgrades
FREE, Quotation - Limited February Installations Available
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William Richards Sash Windows Factory
Unit C3 Development 2
Stafford Park 4 TF3 3BA
William Richards Sash Windows London 60 Cannon St, London
EC4N 6NP
We are open: Monday - Friday 9 am to 4:30pm
committed to tailored, affordable solutions
highest quality timber, glass and materials used
extensive set of insurance backed guarantees
Cost-Effective. Subtle Installation. No Interior Damage.
Our Heritage Sash Upgrade package replaces your existing single-glazed sashes with double or vacuum glazed replicas, fitted seamlessly into your original, repaired, and draught-sealed frames.
This subtle, low-impact solution offers the best of both worlds — modern energy performance and historic authenticity.
Enhance your home’s period character
Double or vacuum glazing options available
Retain historical fabric and minimise interior damage
Preserving every Georgian or Victorian feature
Enjoy long-term comfort and lower heating costs
Enjoy a 10 year protected spray painted finish
Sash Upgrades
Traditional craftsmanship
Perfectly Recreated.
Our time-served joiners take exceptional care to replicate every original detail of your sash windows. From the moulding profiles and glazing bars to the horn shapes and section designs, each new sash is individually crafted to mirror your home’s unique design and history.
By combining traditional techniques with precision tooling and premium materials, we ensure your upgraded sashes look and feel exactly as they did when first installed - only warmer, quieter, and more efficient.
our windows are installed by our in-house specialist installers
8 - 10 week lead time on current orders
Sash window Renovation
Discreetly fitted seals eliminate cold air, rattles, and dust ingress - without altering the appearance of your windows
Our skilled specialist installers repair or replace decayed timber, cracked timber and damaged glass to restore strength, stability and security.
Every sash is re-fitted and corded to snugly fit the movement of the box over the last century resulting in effortless operation.
No planning is required to maintain and restore your original sash windows
Our most affordable package, with impactful results
Warmer, Smoother, Safer
Bring your original sash windows back to life with our comprehensive renovation and draught-proofing service. Whether your windows are cold, rattling in the wind, or painted shut, we’ll restore them to smooth, energy-efficient operation, preserving your home’s character while improving comfort, warmth and security.
Our experienced sash window specialists deliver meticulous renovations that are both cost-effective and long-lasting. Each project enhances your home’s warmth, security, and durability, while preserving the sash windows original elegance.
Using traditional joinery and precise restoration techniques, we ensure your sash windows operate smoothly, seal effectively, and retain their character for years to come - offering superior quality and comfort without the premium price.
Affordable Renovation
results
William Richards Sash Windows was born from a passion for craftsmanship. Founded over 40 years ago by William Partridge, a skilled luthier and woodworker, our company has grown from a small Shropshire workshop into one of London’s most trusted names in sash window renovation and replacement.
Still family-owned, we uphold the same principles of precision, honesty, and exceptional workmanship that shaped our beginnings. Every project is handled by a team of specialist designers, joiners and installers who blend traditional skill with modern efficiency to deliver outstanding, lasting results.
We know times are challenging, which is why we’re committed to offering cost-effective, transparent solutions without compromising on quality. Our goal is simple - to help London homeowners preserve their property’s heritage, improve warmth and security, and achieve lasting value through expert, affordable craftsmanship.
decades of family-led joinery built on
William Richards sponsors the "heritage" award for the architects journal awards!
Bringing Heritage to the heart of London
If you’ve travelled on the London Underground recently, you may have spotted our new campaign! William Richards Sash Windows is proudly featured across key Tube stations across south west London, showcasing our passion for beautifully crafted, energy-efficient timber sash windows.
We’re celebrating these timeless features of British architecture while making it easier for London homeowners to discover our expertise in restoring, preserving, and enhancing sash windows - blending heritage craftsmanship with modern performance at the heart of the capital.
Designed for conservation areas
Enhances warmth and soundproofing
Preserves your existing frames
Replicates original details
Cost-effective Solution
Durable, Low Maintenance
Heritage
Full draught exclusion system
perfect for listed buildings
Full draught exclusion system
Cost-effective Solution
Exceptional
Integrity, precision, and genuine pride.
Heritage sash upgrades
Enjoy a 10 year protected spray painted finish
Our Heritage Sash Upgrade package replaces your existing single-glazed sashes with double or vacuum glazed replicas, fitted seamlessly into your original, repaired, and draught-sealed frames.
This subtle, low-impact solution offers the best of both worlds — modern energy performance and historic authenticity.
Cost-Effective. Subtle Installation. No Interior Damage.
Designed for conservation areas
Enhance your home’s period character
Enhances warm & soundproofing
Retain historical fabric, minimise interior damage
preserves your existing frames
Preserving every Georgian or Victorian feature
Heritage sash upgrades
Double or vacuum glazing options available
Retain historical fabric and minimise interior damage
Enjoy long-term comfort and lower heating costs
Enjoy a 10 year protected spray painted finish
Our Heritage Sash Upgrade package replaces your existing single-glazed sashes with double or vacuum glazed replicas, fitted seamlessly into your original, repaired, and draught-sealed frames.
This subtle, low-impact solution offers the best of both worlds — modern energy performance and historic authenticity.
Cost-Effective. Subtle Installation. No Interior Damage.
Enhance your home’s period character
Retain historical fabric and minimise interior damage
Preserving every Georgian or Victorian feature
replicates orginal details
Double or Vacuum glazed options available
cost-effective high quality solution
Traditional Craftsmanship
Perfectly Recreated.
Our time-served joiners take exceptional care to replicate every original detail of your sash windows. From the moulding profiles and glazing bars to the horn shapes and section designs, each new sash is individually crafted to mirror your home’s unique design and history.
By combining traditional techniques with precision tooling and premium materials, we ensure your upgraded sashes look and feel exactly as they did when first installed - only warmer, quieter, and more efficient.
Perfectly Recreated.
Our time-served joiners take exceptional care to replicate every original detail of your sash windows. From the moulding profiles and glazing bars to the horn shapes and section designs, each new sash is individually crafted to mirror your home’s unique design and history.
By combining traditional techniques with precision tooling and premium materials, we ensure your upgraded sashes look and feel exactly as they did when first installed - only warmer, quieter, and more efficient.
Traditional Craftsmanship
highest quality timber, glass and materials used
extensive set of insurance backed guarantees
8 - 10 week lead time on current orders
committed to tailored, affordable solutions
installed by our in-house specialist installers
Sash window Renovation
Warmer, Smoother, Safer
Bring your original sash windows back to life with our comprehensive renovation and draught-proofing service.
Whether your windows are cold, rattling in the wind, or painted shut, we’ll restore them to smooth, energy-efficient operation, preserving your home’s character while improving comfort, warmth and security.
Full draught exclusion system
Timber and glazing repairs
perfect for listed buildings
Full draught exclusion system
Cost-effective Solution
Discreetly fitted seals eliminate cold air, rattles, and dust ingress - without altering the appearance of your windows
Our skilled specialist installers repair or replace decayed timber, cracked timber and damaged glass to restore strength, stability and security.
Every sash is re-fitted and corded to snugly fit the movement of the box over the last century resulting in effortless operation.
No planning is required to maintain and restore your original sash windows
Our most affordable package, with impactful results
Our experienced sash window specialists deliver meticulous renovations that are both cost-effective and long-lasting. Each project enhances your home’s warmth, security, and durability, while preserving the sash windows original elegance.
Using traditional joinery and precise restoration techniques, we ensure your sash windows operate smoothly, seal effectively, and retain their character for years to come - offering superior quality and comfort without the premium price.
Affordable Renovation
results
Exceptional
William Richards Sash Windows was born from a passion for craftsmanship. Founded over 40 years ago by William Partridge, a skilled luthier and woodworker, our company has grown from a small Shropshire workshop into one of London’s most trusted names in sash window renovation and replacement.
Still family-owned, we uphold the same principles of precision, honesty, and exceptional workmanship that shaped our beginnings. Every project is handled by a team of specialist designers, joiners and installers who blend traditional skill with modern efficiency to deliver outstanding, lasting results.
We know times are challenging, which is why we’re committed to offering cost-effective, transparent solutions without compromising on quality. Our goal is simple - to help London homeowners preserve their property’s heritage, improve warmth and security, and achieve lasting value through expert, affordable craftsmanship.
decades of family-led joinery built on
Integrity, precision, and genuine pride.
