Guides to energy-efficient doors for UK homes. Composite, timber, and uPVC door costs, security ratings, and thermal performance compared.
147 articles
Smart locks for UK doors cost £80-£450, with retrofit models cheapest and full deadbolts offering highest security. Most need a £2-£8 monthly subscription for cloud features. Compare types to fit…
Sliding patio doors cost £1,800-£2,500 for a standard 1.8m x 2.1m uPVC unit in 2026, while French doors cost £1,400-£1,900. Aluminium frames cost 40-60% more but last twice as long.
A new front door costs £1,200 to £2,800 fitted on average in 2026. The price varies by material, with uPVC from £800, composite from £1,200, and timber from £1,500. Compare…
Part L 2026 sets a maximum door U-value of 1.6 W/m²K for new-build and most replacement doors. A compliant door costs £500–£2,500 installed, with lower U-values saving more on heating…
Replacing an old door can cut heat loss by up to 30% and save around £120 a year on energy bills. Modern composite doors achieve U-values of 1.0 to 1.4…
French doors cost £1,200-£2,200 installed, while bifold doors range from £2,500-£6,000. The price gap is driven by bifold's complex hardware and wider openings. Compare quotes to see which fits your…
A composite door with PAS 24 certification and a U-value of 1.0-1.2 W/m²K is the best choice for security and insulation in 2026. Steel doors offer higher physical security but…
Composite doors cost roughly twice as much as uPVC doors in 2026, at £1,200–£1,800 versus £600–£1,000. The annual energy saving is only £10–£20, but composite doors last 10–15 years longer,…
Sliding doors cost £2,000–£3,200 installed for a 3m opening, while bifold doors cost £2,500–£4,000. Sliding doors are more energy efficient, saving £15–£25 a year on heating, and pay back in…
Navy blue is the most popular front door colour in 2026, chosen for 34% of new composite doors. Data from Door-Stop International shows deep blue leading for three years, with…
Moving your front door costs £2,500–£5,000 including building regulations approval. Approval is mandatory for any new structural opening in an external wall under Approved Document A.
A uPVC door's main burglary weakness is the lock cylinder, not the door frame. Upgrading to a TS 007 3-star anti-snap cylinder costs £25-£60 and stops 30-second snap attacks. Compare…
Sliding doors cost roughly 20-25% less than bifold doors for a 3-panel opening: £2,800-£3,500 versus £3,600-£4,500 installed (FENSA 2026). The price gap narrows with more panels, and sliding doors save…
Navy blue is the best front door colour to sell a house in 2026, adding 1.3% to the sale price (£1,500 on average). Grey doors add 0.8%, while bright red…
Composite door keys cost £15–£80 each. Find out how lock type, key code, and locksmith call-out affect the price in this UK guide.
Ask these 10 questions for door installer: FENSA/Certass registration, Secured by Design products, U-value target, written guarantee, self-certification, EPC impact, Part Q compliance, customer references, itemised quote, and draught sealing.…
A new front door can add up to 10% to your property value. Composite doors offer the best kerb appeal at £1,200–£2,500, with a 25–30 year lifespan. Contrast your door…
The most secure door lock type for UK homes is a BS3621 five-lever mortice deadlock for timber doors, meeting insurance standards. For uPVC doors, choose a multi-point system with a…
If you feel a draught, see daylight around the frame, or notice rising energy bills, your front door likely needs replacing. A worn door can lose up to 25% of…
Stop door draughts for £5–£30 per door with brush strips, foam tape, or flap seals. The Energy Saving Trust says brush strips alone save £30–£60 yearly. Compare costs and fitting…
Composite doors are the best front door style for UK homes in 2026, offering a U-value of 1.2 W/m²K and saving £80-100 yearly on heating. Prioritise thermal performance and PAS…
Front door security upgrades cost £30–£600. The most effective single step is fitting a BS 3621 five-lever mortice deadlock for £30–£80, which meets most home insurer requirements. Compare lock types…
Yes, if a FENSA-registered installer fits your new front door, you will receive a FENSA certificate automatically. This certificate proves the door meets Building Regulations thermal efficiency standards, including a…
The best lock type for a UK front door in 2026 is a combination of a British Standard BS 3621 5-lever mortice deadlock for timber doors and a TS 007…
A composite front door costs 800 to 2,000 pounds fitted. Timber doors range from 1,000 to 3,000 pounds. uPVC doors are the most affordable at 500 to 1,200 pounds. Prices include frame, hardware, and professional installation.
Composite doors offer the best combination of insulation, security, and durability. They typically achieve U-values of 1.0 to 1.4 W/m2K, similar to double glazed windows. Look for doors with a solid polyurethane foam core for maximum thermal performance.
The most energy efficient front doors are composite doors achieving U-values of 0.8-1.2 W/m²K, costing £800-£2,000 installed. They outperform uPVC, timber, and aluminium on thermal performance while providing excellent security.
Bifold doors cost between £2,500 and £15,000 or more supplied and fitted in the UK, depending on material and panel count. Budget for 40 to 60 percent on top of…
A new front door costs between £800 and £2,500 installed in the UK. It saves roughly £20–£45 per year on energy bills, so the strongest reasons to replace are security,…
Patio doors in the UK cost between £1,500 and £6,000 installed, depending on type and material. Install them after structural and plastering work is complete, ideally in late spring or…
Composite doors cost £1,200–£2,200 and uPVC doors £500–£1,200 installed in 2026. Composite offers better insulation (U-value 1.2 vs 1.6 W/m²K), saving £50–£90 yearly on heating, with a payback period of…
Door draught seals cost £15-£30 per door for DIY materials and save £25-£40 per year on heating bills, according to the Energy Saving Trust. They are one of the cheapest…
