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6-8 weeks current supply only lead time
10 year warranty, 60 year life expectancy
10-12 weeks current supply and installation lead time
Designed by you, made to measure by us
97% of our customers would recommend us
Double glazed whole window U-values as low as 1.3W/m²K
If you’re looking for sash windows in Bristol that combine traditional elegance with modern performance, Bereco offers the perfect solution. Our bespoke timber sliding sash windows complement Bristol’s diverse architectural heritage, from Georgian townhouses to Victorian terraces and Edwardian villas.
Book a consultationOur timber sliding sash windows add charm and character to any home, replicating traditional designs while ensuring the highest standards of thermal efficiency, security and durability.
With slim sightlines, traditional joinery methods, and period-correct mouldings, our sliding sash windows are perfect for Bristol's heritage properties whilst equally suited to new builds seeking classic styling.
Manufactured from sustainably sourced timber with factory finishing, our sash windows are built for exceptional durability. Your windows will perform beautifully for up to 60+ years with minimal maintenance.
Every sash window is manufactured to your exact specifications with choice of timber species, colour options, glazing bars, and ironmongery. Create windows that perfectly match your Bristol home's character.
Our Ambient range offers sound reduction up to 42dB – perfect for busy Bristol streets. Transform noisy urban environments into peaceful sanctuaries whilst maintaining the authentic appearance of traditional sash windows.
Find the perfect high-quality timber windows and doors for your home renovation, extension or self-build project today.
Discover how our exceptional timber windows and doors can perfectly complement your trade project – whatever it may be.
Spiral balance is our most popular style of sash window featuring maintenance-free, semi-concealed, in-frame spiral balances. The balances are available in white, brown, black or cream to match your chosen finish, and can be completely concealed to not detract away from the window’s traditional style.
Our cords and weights windows are the essence of traditional design. Featuring lead or steel weights, nylon sash cords with exceptional tensile strength and draught-proof axel pulley wheels, our cords and weights are available with an easy clean option, helping to simplify future maintenance.
Colour
Every sliding sash window is beautifully factory finished using the most environmentally friendly water-based paint or stain. Choose from any RAL Classic, RAL Design, NCS and BS colour charts or match to Farrow & Ball, Earthborn or Fired Earth colour collections. With single or dual colour options you can create the perfect match to the exterior facade and interior decor of your property in Bristol.
Paint & Stain FinishesRAL 9016
Linen
Parchment
BS.10.B.15
RAL 9001
Parlour
RAL 1015
BS.10.C.31
BS.10.B.17
RAL 7032
RAL 7030
RAL 6019
French Green
RAL 6021
RAL 6005
London Dust
RAL 5014
RAL 5013
RAL 5022
RAL 3002
RAL 3011
RAL 3005
Smoke
RAL 7035
RAL 7040
RAL 7037
RAL 7015
RAL 7016
RAL 7024
RAL 9005
RAL Colour
Glazing
Glazing is an important consideration for any project, with our timber sliding sash windows you can choose from single glazing, SlimLine (narrow cavity) glazing, double glazing, or triple glazing. Add glazing bars to create traditional and contemporary glazing patterns using our applied 16mm, 25mm and 35mm glazing bars.
We offer acoustic double glazing with a range of impressive sound reduction ratings, from 33dB to 42dB and a variety of obscure glazing patterns are available offering varying privacy levels (rated 1-5 with 5 being the highest level of obscurity). Our obscure, translucent coloured and opaque painted glass also makes for a great feature.
Delta (Level 5)
Kora (Level 4)
Chinchilla (Level 3)
Kocie (Level 4)
Cotswold (Level 5)
Niagara (Level 5)
Frosted (Level 5)
Stippolyte (Level 4)
Ironmongery
Our timber sash windows come fitted with fitch fasteners, hook lifts and opening restrictors. You can choose from two designs of fitch fasteners known as The Fitch Lock or the Brighton Fastener, three different designs of the opening restrictor and key operated vent lock, the push and twist vent lock or the angel vent lock.
Our cords and weights windows also come with round end pulley wheels as well as optional D handles and ring lifts. With single or dual colour options you can even perfectly match the outside and outside of your property. Click the link below to view our full range of window ironmongery.
Polished Brass
Antique Brass
Polished Chrome
Satin Chrome
Polished Chrome
Security
Feeling safe and secure in your Bristol home is essential for your peace of mind, that’s why our timber sliding sash windows are Secured by Design accredited, and 3rd Party tested and certified to Part Q.
Secured by Design
PAS 24
ERA Total Security Guarantee
Technical
We’re pleased to share that our products successfully meet industry standards, are fully accredited and have even received certifications related to their security and performance. Check out the complete range of product specifications below.
Secured by Design
Bluesky certified BS644 General Window Performance
BS6180:2011 and BS6399-1:1996 compliant
BlueSky Timber High Performance Window Scheme
FSC® 100% certified timber
BlueSky PAS24:2016 Enhance Security Windows
BlueSky Noise Reducing Windows up to 42dB over all window
UKCA Mark
UW RANGE: 0.8 – 1.4 W/m²K
ACOUSTIC RANGE: 29 – 42dB
G-VALUE RANGE: 0.50 – 0.65
AIR PERMEABILITY: 600 PA (CLASS 3)
WATER TIGHTNESS: 250 PA (CLASS 6A)
WIND LOAD RESISTANCE: 2000 PA (CLASS 5C)
EXPOSURE CATEGORY: 2000 PA
AIR LEAKAGE: 0.8M³ per hour
Bristol’s architectural heritage spans centuries, from elegant Georgian crescents in Clifton to Victorian terraces in Southville and Edwardian villas in Redland.
Our sliding sash windows are specifically designed to complement these period properties whilst meeting modern performance standards. Available in our Heritage profile with single or slimline double glazing, or our Traditional range with double or even triple glazing, they achieve low U-values whilst maintaining slim sightlines and elegant proportions. Whether you’re restoring a listed building or breathing new life into a Bristol home, our bespoke sash windows combine beautiful aesthetics with energy efficiency, security, and durability.
Contact usSliding sash windows aren’t just for period properties – they’re increasingly popular in new builds and modern extensions throughout Bristol.
With double glazing achieving U-values from 1.3 W/m²K and triple glazing reaching 0.9 W/m²K, our sash windows offer superior energy efficiency. Choose from thousands of colour options, modern hardware finishes, and clean designs without glazing bars for a contemporary aesthetic. Spiral balance mechanisms ensure smooth, effortless operation, whilst Secured by Design certification provides outstanding security and peace of mind. Get in touch to find the perfect windows for your project.
Get in touchAt Bereco, we offer comprehensive services for homeowners across Bristol and the surrounding areas.
Our expert team can survey your property, manufacture your bespoke sliding sash windows to exact specifications, and professionally install them to the highest standards. We can also remove and dispose of your existing windows as part of our complete service.
With an 8-10 week lead time from order to installation, we ensure your project runs smoothly from start to finish. All installations are completed by our experienced professionals, giving you confidence that your sash windows will perform flawlessly for decades to come.
Book a consultationAll of our products are manufactured using FSC® 100% engineered laminated timber. We offer redwood (Scots Pine) and hardwood (Dark Red Meranti) and both have the same extensive warranty. When comparing the two materials, our hardwood has more of an open grain structure meaning it gives more of a textured finish, particularly when stained.
Get in touchBristol’s vibrant urban environment brings wonderful amenities and culture, but busy roads, traffic noise, and city sounds can impact your home’s tranquility.
Our Ambient range of acoustic sliding sash windows offers the perfect solution, with sound reduction ratings from 33dB to 42dB. These specially designed units reduce noise transmission without compromising the authentic appearance of traditional sash windows, making them ideal for properties on busy Bristol streets.
Contact us to discuss acoustic sash windows for your Bristol property.
Book a consultationOur double glazed timber windows and doors exceed the new Part L 2023 building regulations and can achieve impressive U-values starting from 1.3 W/m²K – which is 7% better than the guidelines.
Whereas our triple glazed windows and doors achieve U-values starting from 0.8W/m²K which is 43% better than what’s stipulated in the regulations.
Our sliding sash windows are naturally renewable, carbon neutral and made from only sustainably sourced FSC® 100% certified softwood or hardwood. The care and attention we give to our timber before and during the manufacturing process ensures a 60 year+ life span, 10-year warranty and low maintenance for life.
SustainabilitySashes slide vertically within the frame. At Bereco we offer cords and weights sliding sash windows, which is a traditional weight and pulley system. We also offer spiral balances which are a tensioned spring mechanism where a coiled spring is discretely concealed inside an encased coloured tube to match the windows finish.
Absolutely. Bristol has numerous conservation areas including Clifton, Cotham, and Redland, and our Heritage profile sash windows are specifically designed for these sensitive locations.
They are a completely different opening mechanisms. The cords and weights option has wider jambs to hold the lead or steel weight, but there is no difference in the warranty we offer.
Yes, our Ambient range offers acoustic sliding sash windows with sound reduction ratings from 33dB to 42dB. These are ideal for properties on busy Bristol roads like Whiteladies Road, Gloucester Road, or near Temple Meads station, dramatically reducing traffic noise whilst maintaining authentic sash window styling.
Absolutely. Sliding sash windows are increasingly popular in new builds and modern extensions throughout Bristol, bringing timeless elegance and character to contemporary homes. With exceptional energy efficiency exceeding building regulations and a wide range of design options, they work beautifully in both traditional and modern contexts.
No you don’t, it’s completely up to you. But if you do want them we have seven different styles to choose from.
Timber frames offer numerous advantages over upvc frames. Wooden sash windows provide superior thermal performance, authentic appearance for period homes, and have stood the test of time for centuries. Unlike uPVC which can look plastic and degrade over time, our timber frames made from durable materials will last 60+ years and can be repainted in any colour. Timber also has the lowest embodied carbon and adds more property value than uPVC alternatives.
Order corner samples of popular products including stain, ironmongery and bars delivered straight to your front door.
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Kingspan Timber Solutions LTD
As a dedicated manufacturer of quality timber windows and doors, we are part of a number of specialist memberships and schemes. Check out the full list below.
We’re pleased to announce our brand has featured in several national magazines and publications over the years. Here are some of the most recent places our products have been showcased.
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