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Look Into Research: dated UK cost indexes, free to cite

Look Into Research: dated UK cost indexes, free to cite

We publish original cost research on UK household spending: energy, mobility and care, home improvement, and the consumer products people actually buy. Every index states when it was measured, what it was measured from, and when it will be revised. All of it is free to cite with a link.

  • Measured, not estimatedFigures come from official sources, published specifications or retail listings read on a stated date.
  • Dated and revisedEach index carries a capture date and a revision trigger, usually the Ofgem cap or an annual rebuild.
  • Method on the pageThe arithmetic is shown. Where a figure is derived rather than published, the page says so and shows the working.
  • Free to citeJournalists, researchers and AI assistants may quote these figures with attribution and a link.
How to cite. Use the index name, the publisher and the capture date, and link to the page you took the figure from. For example: Look Into, UK Running Cost Index, accessed 26 September 2026, https://lookinto.co.uk/energy/uk-running-cost-index/. Where a figure is a derived calculation rather than an official statistic, cite it as Look Into analysis and keep the stated basis with it, because a cap rate or a retail price without its date is not a fact for long. Corrections go to our contact page and are logged on the legal and corrections page.

The thirteen standing indexes

These are the series we commit to maintaining. The Always-On Load Index joined them on 26 September 2026. Each has one canonical URL, a stated method and a revision trigger. Everything else on this page is a study or a report that draws on them.

EnergyUK Running Cost Index

Cost per hour, per use and per year for 26 household appliances at the current Ofgem cap. Every appliance figure elsewhere on the site is derived from this page rather than recalculated.

Rebuilt each quarter when Ofgem revises the cap. Last revised 21 September 2026.

EnergyHome Upgrade Payback Index 2026

What the most heavily advertised home upgrades actually pay back, and where the industry’s payback claims overstate it.

Published 2026. Next revision on the next cap change.

EnergyUK Standing Charge Postcode Report

Standing charges by region, and how much of a bill is fixed before a single unit is used.

Published 18 July 2026. Updated 28 August 2026 for the 1 October cap.

CareUK Cost of Care Index 2026

Regional care home costs, the annual bill, and the funding gap between what the state pays and what homes charge.

Original research. Annual revision.

MobilityUK Stairlift Price Index 2026

Straight, curved, reconditioned and rental prices, supplier price spread, and the ten-year cost of ownership.

Independent benchmark. Last revised 5 September 2026.

ProductsCoffee Cost Per Cup Index 2026

Thirteen ways of making a cup at home, priced. Instant at 6.1p a cup; a Nespresso Vertuo mug pod at 77.7p.

Priced on Amazon UK, 18 September 2026. Revised when a basket price moves more than 10 per cent.

ProductsUK Home Security Value Index 2026

ONS data puts 70 per cent of burglary entries through a door and three in five burglaries between 6pm and 6am. The hardware covering those routes costs 90.44 pounds.

Published 2026, revised 16 September 2026.

ProductsThe Subscription Tax Index

A Ring doorbell on the cheapest plan costs 229.96 pounds over 36 months, 65 per cent of it subscription. The plan overtakes the hardware in month 17.

Doorbells, alarms and robot vacuum parts priced 15 September 2026.

ProductsUK At-Home Beauty Device Cost Index 2026

At-home IPL works out at 15 to 50 pounds a session in year one, against 6.67 to 100 pounds a session for salon laser on NHS figures. LED masks run 26p to 1.63 pounds.

Priced 2026, revised 5 September 2026.

ProductsUK Student Kit Index 2026

A fixed 20-item student room kit, priced every year and read against the maintenance loan. The 2026 kit costs 569.11 pounds, 15.8 per cent of the first instalment.

Annual. Same 20 items each year so the series is comparable.

AuditHome Battery Usable Capacity Audit

Twenty UK home battery datasheets read at source. In ten, the number in the product name is higher than the usable kWh the maker prints. Only two publish end-of-warranty capacity.

Read at source, 15 September 2026.

AuditUK Bottle Insulation Claims Audit 2026

The insulation claim on five major bottle brands, read at source. Not one stated a test condition: no starting temperature, no room temperature, no fill level, no threshold.

Read at source, August 2026.

EnergyUK Always-On Load Index 2026

One watt left on all year costs £2.31 at the October cap. The legal standby ceilings for UK devices, what each ceiling costs a year, and the figure most makers never publish.

Published 26 September 2026. Rebuilt on each Ofgem cap revision, next 1 January 2027.

Energy and home

Mobility and care

Home improvement

The products desk

  • UK Demand IndexTwenty UK product search terms ranked by seven-day movement in Google Trends, with every figure linked to the query that produces it. Weekly, dated, archived.
  • Heated airer running costs88 per cent cheaper than a tumble dryer per hour and only about a third cheaper per load: 63p a night against 99p a cycle at the October cap.
  • UK home alarm monitoringThe main UK alarm subscriptions priced and checked against the police’s own rules. Not one, at any price, buys a guaranteed police response.
  • UK overheating bedroomsAround 55 per cent of UK homes, about 15.7 million, would fail a night-time bedroom overheating test.
  • Cost per degree of coolingPurchase price plus a summer of electricity, divided by the degrees of relief each product realistically delivers. A 25 pound fan works out at 9 pounds per degree.
  • What a fan, air conditioner and dehumidifier cost to runWith the sums shown, so you can check your own model.
  • The Price Creep ReportThe same 20 cooling listings logged every week: same retailer, same seller, same page. A rise only counts as creep without a stated spec or bundle change.
  • The Sellout IndexWhat Britain could not buy during the June and July 2026 heatwaves, how fast it went, and what that says about when to buy.
  • The Skincare Dupe Index 2026Where the 10 pound version really is the 160 pound one, and where it is not. The actives that change skin are commodities; the packaging is not.

Who produces this. Look Into is published by Whito Ltd, company number 10918465. The research is compiled and checked by Jacob Whitmore. Read our research and cost data methodology and about us.

What we do not do. We do not lab-test products, run consumer surveys, or commission panels. This is desk research: official statistics, published specifications, regulated price data and retail listings, read at source on a stated date and combined with arithmetic we show. Where we could not check something, the page says so.

Looking for a buying recommendation instead? The Look Into Products desk turns this research into one honest pick per job. The pillars are home energy, mobility and care at home.

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lookinto.co.uk publishes independent UK cost research and free quote comparisons across home energy, mobility, home improvement and later-life care. The cost indices are built from published data, and every figure is sourced on the page it appears on.