Guides, tips &
how-to articles.
Professional DIY guides to help you plan projects, avoid costly mistakes and calculate materials with confidence.
How Long Do Solar Panels Take to Pay Back?
Payback periods range from 5 to 15 years. Here is what actually determines the number — electricity price, self-consumption rate, grants and degradation.
How Much Does It Cost to Run a Water Heater?
Compare running costs for electric, gas and heat pump water heaters. Real numbers per day, month and year, plus the formula to calculate your own cost.
How Much Does Underfloor Heating Cost to Run?
Electric underfloor heating running costs depend on floor area, wattage and usage hours. Find out what to expect per day, month and season, and how to reduce the bill.
What Uses the Most Electricity at Home?
Heating, cooling, water heating and tumble drying account for 70-80% of most electricity bills. Full breakdown by appliance with real kWh figures.
How Much Does Standby Power Cost? (And Which Devices Are Worst)
Standby power silently adds 5-15% to your electricity bill. Find out which devices drain the most, how to measure them, and whether smart plugs are worth it.
Is a Home Battery Worth It? What the Numbers Actually Show
Home batteries typically cost £4,000 to £10,000 installed. Whether they pay back depends on your solar setup, tariff, and export rate. Here is how to work out your real numbers.
EV Home Charging Cost Calculator: What Does It Really Cost?
How much does it cost to charge an electric car at home? Formula, monthly estimates, off-peak tariff savings and EV vs petrol compared by country.
How Many Solar Panels Do I Need?
System sizing, roof space, peak sun hours and payback period explained with real numbers. Find out how many panels your home actually needs.
Home Energy Savings: 6 Upgrades Ranked by ROI
Which home energy upgrades actually pay back, and in what order? Insulation, heat pumps, solar, LED, thermostats and windows ranked with real numbers.
Heat Pump ROI: Is It Worth the Investment?
What payback period can you realistically expect from a heat pump? We break down the numbers — upfront cost, annual savings, grants and 20-year net return.
What ROI Can You Expect from a Home Renovation?
Real ROI benchmarks for kitchen, bathroom, loft and more — plus the three mistakes that kill renovation returns and how to calculate your own numbers.
How to Calculate Wallpaper: Rolls, Pattern Repeat & Waste
Step-by-step formulas for straight match, half-drop pattern repeat and waste allowance. Everything you need to order the right number of rolls.
How to Calculate Roof Material: Tiles, Shingles & Metal Sheets
Exact formulas for tiles, asphalt shingles, metal roofing and slate. Includes waste allowance tables and what to order beyond the main field.
How to Calculate Roof Area: Pitched, Flat & Complex Roofs
Step-by-step formulas for every roof type. Covers slope factor, hip roofs, overhangs and waste allowance for tiles, shingles and metal roofing.
How to Calculate Tiles: Floor, Wall & Any Pattern
Step-by-step guide to tile quantity, waste allowance, grout joints and pattern types. Avoid the most expensive ordering mistakes.
Paint Calculator: How Much Paint Do You Need?
Learn the exact formula to calculate paint for walls and ceilings. Coverage rates, coats, waste allowance and can sizes explained.
How to Calculate Laminate Flooring: Complete Guide
Step-by-step guide to measuring rooms, adding waste and calculating exactly how many packs you need. Metric and imperial.
How to Calculate Wallpaper: Complete Guide
Learn the exact formula to calculate how many wallpaper rolls you need for any room. Includes pattern repeat, waste calculation and pro tips.
Laminate vs Vinyl Flooring: Which is Better?
Compare durability, cost, installation and which one suits your project best.
DIY Cost Breakdown: Wallpaper vs Paint
Detailed cost comparison including materials, tools and labour. Which saves you more money?
Top 10 DIY Mistakes and How to Avoid Them
Professional tips to avoid costly errors in paint, wallpaper, tile and flooring projects.