Practical writing on quotes, installers and what the upgrades actually do.
Celotex is now Sopratherm after Soprema bought the business from Saint-Gobain. Same product codes, same 0.022 W/mK PIR. Prices and specifications checked July 2026.
Kingspan Kooltherm phenolic at 0.019 W/mK against Therma PIR at 0.022, with July 2026 merchant prices, fire classifications and the Grenfell Inquiry findings reported in full.
Octopus publishes a single median of £4,459 after the grant. OVO publishes bands by house size. We compare what each company actually commits to in writing, plus warranties,…
High heat pump bills almost always trace back to five things: flow temperature, weather compensation, short cycling, tariff or sizing. Work through this diagnostic checklist to find your…
We rank the UK's seven biggest boiler brands for 2026 using published warranty terms, ErP efficiency data and installed price guides — no hype, no bench tests, just…
A 150W electric towel rail costs about 4p an hour — £7 a month on a sensible timer. How that compares with a central-heating rail, and when each…
Heat pump dryers cost about 39p a load against 79p vented and 92p condenser — roughly £79 a year saved at 150 loads. Full per-cycle table and payback…
The gap between a budget and premium boiler is £500–£1,200 installed — but budget brands now match premium warranty lengths on paper. We run the lifespan and warranty…
Every major UK boiler brand's warranty in one table — standard terms, maximum terms, filter clauses and the small print that voids cover. Checked against manufacturer T&Cs, July…
Two British-built mid-market brands, one budget. We compare Ideal and Baxi on published warranties, installed prices, filter clauses and factory heritage — Hull vs Preston.