Design-led bespoke timber windows and doors

Welcome to Sashed, the trusted experts in beautifully crafted design led joinery. We design, manufacture, and install unique and exclusive premium timber windows and doors for homes and properties across London and the Home Counties of England. From heritage homes in conservation areas to modern architectural designs, our bespoke, stunning and sustainable solutions combine timeless elegance with modernity and cutting-edge functionality.

timber sash windows in a Barnes conservation are
an arched frame timber sash window with curtains either side
timber French windows made by Sashed with chairs in front of them and curtains either side

What is design-led joinery?

At Sashed, every product is a testament to our ethos of design led craftsmanship, which means we place design at the heart of everything we do. But design isn’t just how our windows and doors look. It’s about how they’re made, work, and the process that brings them to life.

an arched frame timber casement window with stain glass

Luxury window and door design

We believe your property deserves the finest windows and doors. We promise:

Aspirational designs

Outstanding beauty tailored to your vision, whether heritage-inspired or contemporary.

Architectural joinery

Bespoke, design led solutions that reflect your style.

Premium quality

Sustainably sourced timber, expertly crafted for unmatched durability and beauty.

Our services

We take pride in combining design led craftsmanship with exceptional customer service. We aim to make the process of designing, installing, and maintaining your new windows and doors effortless and stress-free.

Stephen Jessup and a Sashed Customer

No hard-sell approach

Contact us when you’re ready, without feeling pressured.

Sam Mitchell and Chris Purrington

Expert guidance

Our team will help you choose the perfect solution, offering transparent and competitive pricing with no hidden costs.

a Sashed customer enjoying their new pivot door

Smooth process

From initial consultation to final fitting, we ensure everything is handled with care – even managing planning permission for properties in conservation areas and listed buildings if you wish.

Expert installation

Our in-house, FENSA-approved joiners are some of the most highly skilled timber window and door specialists in the UK. Every installation is carried out with precision, respect, and a commitment to your property’s integrity. You can expect:

Aftercare you can rely on

From resolving snagging issues to providing maintenance advice, we’re here to support you for the life of your windows and doors. Our aftercare includes:

Custom design options for windows and doors

We believe detail is paramount and your windows and doors should reflect your style and complement your home’s character. That’s why we offer a wide range of customisable design options to suit your taste. The choice is yours.

Wood types

Select the timber with the right look, feel, and level of durability. Choose from Pine, Larch, Meranti, Oak and Accoya™.

Glazing

Choose from our wide range of glazing options, including high preforming double glazing, vacuum-insulated glazing, and specialised conservation and heritage glazing for historic buildings.

Ironmongery

Choose from our range of traditional fasteners and handles, or let us source custom architectural ironmongery on your behalf.

Paint options

Factory-sprayed in four flawless coats, our windows and doors are available in any shade from Farrow & Ball™, Little Greene™, or RAL, as well as a selection of stains and lacquers.

Stained glass

Add a touch of artistry with beautiful, handmade stained glass designs that reflect your home’s architectural features.

Security

Your security requirements will vary. We offer traditional locking and innovative multi-point solutions to cover all bases.

Architrave and surrounds

Complete the look with custom-designed architrave and surrounds for added detail and sophistication.

Sustainability at Sashed

We create beautiful timber windows and doors with sustainability at our heart. Not only do we have a zero to landfill policy which means that any old windows we remove are recycled, but through our partnership with Ecologi, we also support reforestation and carbon reduction projects. Finally, by sourcing responsibly managed timber and minimising waste, we help protect the planet for future generations. Choosing Sashed means choosing quality and sustainability.

a timber casement window with blue walls and a radiator below

FENSA registered

We’re proud to be a FENSA-registered company. This gives you peace of mind that our timber windows and doors meet the highest standards of quality, safety and energy efficiency. FENSA certification ensures our installations comply with building regulations, ultimately helping you save on energy bills while enhancing your home’s value.
a timber sash window with some dressing gowns in a bathroom

Don’t just take our word for it!

We are also endorsed by Which? Trusted Traders and UK Government-endorsed tradespeople.

Visit our showroom

See our products in action and get tailored advice from our friendly representatives.

Case Studies

Check out our latest Sashed case studies

A triple sash window in a grand living room
Sash windows and bespoke arched joinery for a Barnes Conservation Area home

Sash windows and bespoke arched joinery for a Barnes Conservation Area home Located on Glebe Road in SW13, this.

The front of a 1930's house in North West London with a timber casement bay and front door. There is stained glass in both the door and the windows.
Ornate front door with reproduction stained glass and angled casement bay, Willesden NW10

Perched on Longstone Avenue with views over Roundwood Park, Sashed was commissioned to craft a bespoke timber front door.

Timber sash windows in Surrey made by Sashed. The windows are flanked by red bricks
Beautiful bespoke windows and stained glass artistry for a family home in Surbiton Surrey

Beautiful bespoke windows and stained glass artistry for a family home in Surrey Set across four storeys, this detached.

Insights

Check out the latest news and insights from Sashed

A house in south London with timber windows and doors from Sashed LTD
How to compare competitive windows and doors quotes

Buying new windows and doors is a significant investment in your home. It’s natural to explore multiple options before.

a pink door with red glass and antique brass fittings
Front door design guide

We launched our new website in early September 2025 and initially decided to discontinue our front door style guide..

An opening corner timber door
Opening Corner Timber Bi-Folding and Sliding Doors: Maximising Space, Light, and Elegance

At Sashed, we’re thrilled to announce our latest addition: the Opening Corner timber bi-folding and sliding door range. Inspired.