Key findings

  • Roof replacement offers the most significant improvement to conservatory warmth, creating an energy-saving space
  • Modern glazing upgrades can dramatically reduce heat loss whilst maintaining natural light throughout the winter months
  • Proper insulation in walls, floors and roof panels prevents cold air infiltration and reduces energy consumption
  • Efficient heating systems like underfloor heating or modern electric radiators provide consistent warmth without excessive running costs
  • Professional installation ensures building regulations compliance and maximises thermal performance for long-term energy savings

If your conservatory feels more like a cold room during the colder months, you’re not alone. Many homeowners struggle with conservatories that are too chilly to use comfortably in winter, turning what should be a valuable living space into an underused extension, with condensation dominating every pane. The good news is that there are practical, effective solutions to transform your cold conservatory into a warm, welcoming space you can enjoy year-round.

At Premier Windows, we’ve helped thousands of homeowners across Aylesbury and Buckinghamshire solve this common problem. Whether your conservatory has an old polycarbonate roof, single-pane glass or inadequate insulation, the right upgrades can dramatically improve its thermal properties and reduce your energy bills.

Interior view of a conservatory with a tiled Ultraroof

Are there any budget-friendly methods or DIY tips for keeping a conservatory warm in colder months?

Glazing upgrades for better insulation

The panes of glass in your conservatory play a crucial role in maintaining comfortable temperatures. Older conservatories often feature single glazing or outdated double glazing that allows significant heat loss. Upgrading to high-performance double or triple glazing with low-emissivity coatings can make an immediate difference to warmth retention.

Modern glass panels also incorporate solar-control technology, which helps prevent overheating in summer whilst maintaining insulation during winter. This means your conservatory won’t just be warmer in winter – it’ll be more comfortable year-round.

Insulation improvements

Proper insulation is essential for creating a warm conservatory. Focus on three key areas: walls, floors and the roof structure. Wall insulation can be added internally without major disruption, whilst floor insulation options include adding insulating materials beneath laminate flooring or tiles.

Don’t overlook smaller details like sealing gaps around internal doors and windows. These seemingly minor improvements can prevent cold air from entering and warm air from escaping, making your heating system work more efficiently.

Interior view of a white uPVC Victorian conservatory

Heating solutions that work

Your central heating system may not extend to your conservatory, but there are several effective alternatives. Modern electric radiators offer excellent heat distribution and can be controlled independently from your main central heating. For a luxurious solution, underfloor heating provides consistent, comfortable warmth without taking up wall space.

Avoid relying on temporary solutions like fan heaters or electric heaters, which have high running costs and energy consumption. Instead, invest in a permanent heating solution that integrates well with your home’s existing systems.

Best ways to permanently create a more energy-efficient, comfortable conservatory

Tiled roof installation

Replacing your conservatory roof with a tiled system is often the most effective single upgrade you can make. Our tiled conservatory roofs achieve exceptional U-values of just 0.14 W/m²K, meaning they provide outstanding thermal performance that dramatically reduces heat loss.

Tiled roofs also virtually eliminate rain noise and prevent the extreme temperature fluctuations common with polycarbonate roofs. Available in nine attractive colours including red brick, chestnut brown and pewter grey, they can be tailored to complement your home’s existing architecture. The hardwearing tiles require virtually no maintenance and are expected to last around 50 years.

Gable conservatory with black tiled roof

Glass roof installation

For homeowners who prefer to maintain maximum natural light, our glass conservatory roofs offer an excellent balance of thermal efficiency and brightness. Using state-of-the-art solar-control glass, these roofs achieve U-values of 1.0 W/m²K whilst flooding your conservatory with light.

The self-cleaning glass technology means minimal maintenance, whilst the range of frame colours – including white, grey and any RAL colour – ensures perfect integration with your property’s style. Glass roofs are particularly suitable for those who use their conservatory as an extension of their living room.

Sage green Edwardian uPVC conservatory with a glass roof

Hybrid roof installation

Can’t decide between the thermal performance of tiles and the light-giving properties of glass? Our hybrid solid conservatory roofs combine both benefits. These innovative roofs use insulating panels alongside strategically positioned glass panels, achieving incredibly low U-values of 0.13-0.15 W/m²K.

The glass panels can be positioned anywhere on the roof and in various shapes and sizes, allowing you to customise exactly how much natural light enters your space. The internal plastered ceiling also provides opportunities to add spotlights, speakers or pendant lighting.

Ultraroof tiled roof

Why is energy efficiency so important in conservatories?

An energy-efficient conservatory reduces heating costs, provides year-round comfort and can add up to 10% to your property value whilst ensuring compliance with current building regulations.

Conservatory upgrades from Premier Windows

We offer three main roof replacement options to suit different preferences and budgets:

All our roofs are available in multiple colours and can include optional extras such as integrated speakers and spotlights. Whether you have a Victorian, Edwardian, lean-to, P-shaped or any other conservatory style, our experienced fitting team can complete installation quickly with minimal disruption to your daily routine.

Every installation comes with our comprehensive 10-year insurance-backed guarantee, though you can expect your new roof to last much longer – particularly our tiled options, which have a 50-year life expectancy.

Victorian conservatory with tiled roof

Frequently asked questions

Will I need planning permission for a conservatory roof replacement?

Usually not – permissions were likely obtained when your conservatory was originally built.

How long does a conservatory roof installation take?

Most installations are completed in just one day by our experienced professional team.

Which roof type offers the best thermal performance?

Tiled and hybrid roofs offer superior insulation, whilst glass roofs maximise natural light, though still perform strongly at retaining warmth thanks to solar glass technology.

Do conservatory roof upgrades really reduce energy bills?

Yes, improved insulation significantly reduces heating costs and energy consumption throughout winter.

Can you upgrade lean-to conservatory roofs?

Absolutely – our replacement roofs are suitable for all conservatory styles and sizes.

Who are Premier Windows?

Premier Windows has been serving homeowners across Aylesbury and Buckinghamshire for over 30 years. Based just off the A41, our dedicated showroom allows you to see our excellent windows, doors and conservatories firsthand. We’re proud to hold multiple accreditations including DGCOS and Which? Trusted Trader status.

Our comprehensive product range includes uPVC and aluminium windows in various styles, entrance doors, bifold doors, orangeries and all types of conservatory roofs. We operate throughout Buckinghamshire, including Wendover, Buckingham, High Wycombe, Great Missenden, Amersham and Thame.

We maintain a strict no-pressure sales policy and provide devoted aftercare service to ensure your products continue performing at their best. As part of our community commitment, we actively support local causes including Florence Nightingale Hospice Charity.

Ready to transform your cold conservatory into a warm, comfortable space? Contact us on 01296 422 842 or email enquiries@premwindowsanddoors.co.uk to arrange your free consultation. Our showroom is open Monday-Friday 9am-5pm and Saturday 10am-1pm.

Red cat sits on the window and house plants on the windowsill. Domestic pet kitten resting on the windowsill at home in sunny day.