Will a Skylight Make My Room Too Hot, Cold, or Noisy?

Adding a skylight can flood your room with beautiful natural light — but many homeowners wonder: Will it make my room too hot in summer, too cold in winter, or too noisy when it rains? These are common and valid concerns.
In this expert guide, we’ll break down how modern skylights — especially frameless flat or pitched rooflights from Skylights.co.uk — tackle these challenges and how to choose the right product to create comfort, not problems.
Can a Skylight Make a Room Too Hot in Summer?
It depends on the type of glass and the quality of installation. A poorly specified skylight with single glazing or no solar protection can lead to overheating.
✅ How to Prevent Summer Overheating:
Choose solar control glass – reflects excessive sunlight
Opt for triple glazing – better insulation all year
Install blinds or remote-controlled shading
Position the skylight thoughtfully – east or north-facing skylights receive less intense sun

Will It Make the Room Too Cold in Winter?
Older or single-glazed rooflights are prone to heat loss, especially on flat roofs. However, modern frameless rooflights are constructed with thermally broken frames and low-emissivity glass to minimise heat transfer.
✅ What to Look For:
Low U-value – Aim for 1.2 W/m²K or lower (frameless models from Skylights.co.uk go as low as 0.9)
Triple glazing – retains more warmth
Proper kerb insulation reduces heat bridging
According to the BRE Group, investing in high-spec glazing can significantly improve energy efficiency in flat roof environments.
Are Skylights Noisy When It Rains?
Standard skylights may amplify the sound of rain, particularly on single-story extensions. But acoustic glazing and proper roof integration can dramatically reduce sound transmission.
✅ Noise Reduction Tips:
Choose laminated or acoustic glazing
Opt for triple-glazed frameless rooflights with built-in sound-dampening
Ensure the roof structure beneath the unit is insulated

Frameless vs Framed Skylights: Comfort Comparison
Feature | Frameless Skylights (Skylights.co.uk) | Framed Skylights |
---|---|---|
Summer Heat Gain | ✅ Low – solar control & low-E available | ❌ Medium – depends on spec |
Winter Heat Loss | ✅ Low – U-values as low as 0.9 W/m²K | ❌ Higher – avg. 1.3–1.5 W/m²K |
Rain Noise | ✅ Acoustic glazing reduces sound | ❌ Louder without noise treatment |
Aesthetic Appeal | ✅ Seamless, all-glass design | ❌ Visible frame from inside |
Maintenance | ✅ Minimal (fixed, no moving parts) | ❌ Hinges/seals may need servicing |
FAQs About Skylight Comfort
Yes — if it's not fitted with solar control glass. Frameless models with the correct glazing type prevent heat buildup.
Absolutely. They provide better temperature control and noise insulation throughout the year.
Not if they’re thermally broken and installed with proper ventilation. Frameless rooflights from [Skylights Brand Name] include a condensation-resistant design.
Not at all — choose ones with blackout blinds and high insulation. Frameless roof windows with solar protection are great for flat or pitched roof bedrooms.
What the Experts Say
“When clients worry about overheating or noise, I point them to high-spec frameless rooflights. With the right glass, they’re just as comfortable as a regular window — and often quieter.”
James Taylor, Glazing Consultant
“Don’t settle for old assumptions. Today’s frameless skylights meet — and often exceed — UK building regs for energy and acoustic performance.”
Maya Grant, Architect, London

Regulations to Consider
UK Building Regulations cover thermal and acoustic requirements:
Part L: Thermal performance (U-values)
Part F: Ventilation (especially in wet rooms)
Part E: Soundproofing (multi-occupancy buildings)
References:
Where Frameless Skylights Work Best
Kitchen extensions over cooking/dining areas
Flat roof living rooms and lounges
Bathroom ceilings with extractor fans
Home offices or lofts with minimal pitch
Bedrooms (if thermal blinds included)
Multimedia Resources & Support
Final Takeaways
✅ Too hot? Choose solar control and triple glazing
✅ Too cold? Frameless rooflights offer market-leading insulation
✅ Too noisy? Acoustic glazing and structural insulation fix that
Frameless skylights from Skylights.co.uk combine sleek design with year-round comfort.
Need help picking the right model? Please speak to a daylighting expert at Skylights.co.uk or download our Full Catalogue.
About Blagovest
Blagovest Merdzhov is the CEO and Founder of Skylights.co.uk and a leading expert in the skylights industry, bringing over 10 years of specialized experience to the field. With a strong foundation in digital marketing and more than 20 years in the marketing world, Blagovest combines technical knowledge and strategic insight to illuminate innovation and drive growth in both construction and design sectors.
View all posts by Blagovest