Room by room
Bedroom Secondary Glazing
Noise waking people between 05:00 and 07:00 when traffic and delivery movements start is the reason most people fit secondary glazing in this room. A measured 40–47 dB Rw drop, which is the difference between hearing individual vehicles and hearing nothing but a background hum. We cover South Yorkshire, North Derbyshire and the surrounding towns.
The specification we recommend
| Typical opening | one or two front-facing sashes or casements, usually 900–1400 mm wide |
|---|---|
| Glass specification | 6.4 mm acoustic laminated on the secondary pane with a 100 mm cavity |
| Operation | we keep bedroom units on a horizontal slide so the window can be cracked for night ventilation without losing the seal on the rest of the opening |
| Main benefit | a measured 40–47 dB Rw drop, which is the difference between hearing individual vehicles and hearing nothing but a background hum |
Why the specification changes here
Bedrooms are the only room where we routinely recommend upgrading the glass thickness above the survey default — sleep disturbance is driven by peak events, not average levels.
Blackout blinds and curtain poles are templated around before we cut the head track, so nothing has to be re-drilled after the install.
Where the bedroom sits above a through-road we add compression seals at the cill as well as brush seals at the meeting stile.
Will I still get fresh air at night? Yes — the secondary panel slides clear and trickle paths through the primary window stay usable; most clients sleep with the secondary shut and the primary vent open.
We will tell you when secondary glazing is the wrong answer — it happens, and it saves everyone time.
Quotes are written, itemised per opening, and hold for 60 days.
Cavity depth does more for acoustic performance than glass thickness, and we design for it first.
We survey with a sound level meter where noise is the driver, so the target is a number rather than an impression.
Recent installs nearby
Ecclesall Road bay-window sound retrofit
Three-panel horizontal sliders across a 3.2 m Edwardian bay — Rw measured at 47 dB post-install.
A61 corridor 1930s semi
Front-facing Crittall casements enclosed with hinged secondary units. Traffic noise reduced from disruptive to background.
Broomhill student HMO acoustic upgrade
12 bedrooms retrofitted between academic years with 6.4 mm laminated horizontal sliders.
Common questions
Will secondary glazing help me sleep through early-morning traffic?
That is the single most common reason people fit it in a bedroom. Peak pass-by events drop by roughly 40–47 dB with laminated glass and a 100 mm cavity, which usually takes them below the threshold that wakes a sleeper.
Can I still open the bedroom window for air?
Yes. The secondary unit slides or lifts clear so the original window operates normally, and most people run the secondary closed with the primary vent open.
Does it work against a snoring neighbour or a shared airshaft?
Window-borne noise, yes. Sound travelling through a party wall or floor is a separate structural path and glazing will not fix it — we will tell you on survey if that is what we can hear.
From enquiry to install
- Step 1
Send a photo and rough dimensions for an indicative price within a working day.
- Step 2
On-site survey and templating of the opening.
- Step 3
Manufacture, typically two to three weeks.
- Step 4
Room-side install with no external access required.
This room, town by town
- Bedroom glazing in SheffieldSouth Yorkshire
- Bedroom glazing in RotherhamSouth Yorkshire
- Bedroom glazing in DoncasterSouth Yorkshire
- Bedroom glazing in BarnsleySouth Yorkshire
- Bedroom glazing in ChesterfieldDerbyshire
- Bedroom glazing in WorksopNottinghamshire
- Bedroom glazing in WakefieldWest Yorkshire
- Bedroom glazing in HuddersfieldWest Yorkshire
Local areas we cover for this room
- Nether Edge (S7)one of Sheffield's largest and most-protected conservation areas
- Kelham Island (S3)converted mills and cutlery works now residential lofts
- Woodseats (S8)high-street shopping strip with dense residential streets behind
- Nether Green (S11)leafy detached housing along the Porter valley
- Gleadless (S12)hillside estates with long valley views
- Firth Park (S5)dense north-east suburb around a Victorian public park
- Deepcar (S36)stone-built valley village on the Don
- Burngreave (S3)steep Victorian terraces immediately north of the centre
- Beighton (S20)former colliery village beside the Rother valley
Other rooms
- Living room glazingmake the main reception room usable in winter and quiet enough for conversation
- Home office glazingtake calls without background traffic and keep the room warm on a working day
- Nursery glazingprotect daytime naps and keep a small room at a stable temperature
- Bathroom glazingstop condensation, mould and cold surfaces in the wettest room in the house
- Loft glazingfix the hottest-in-summer, coldest-in-winter room and the noise that comes straight off the roofline
- Kitchen glazingcut condensation over the sink and keep a hard-surfaced room from feeling cold
- Dining room glazingmake a rarely-heated room comfortable and quiet enough to eat and talk in
- Stairwell glazingclose the biggest uncontrolled heat path in a period house and protect stained glass
- Garden room glazingextend the usable season of a room that is currently too cold or too loud to sit in
Bedroom glazing — the short version
Sleep through road, rail and neighbour noise, using 6.4 mm acoustic laminated on the secondary pane with a 100 mm cavity. We keep bedroom units on a horizontal slide so the window can be cracked for night ventilation without losing the seal on the rest of the opening.
Send us the opening sizes
A photo and rough dimensions are enough for a written quote inside one working day.