Epoxy flooring costs in the UK typically range from £20 to £120 per square metre, depending on the type of epoxy and whether installation is DIY or professional. A basic DIY water-based epoxy kit costs around £20-£30/m². Professional installation of standard epoxy costs £40-£70/m². High-end systems like metallic or decorative flake epoxy can cost £70-£120/m² professionally installed. For an average single garage (15m²), expect to pay £300-£600 DIY or £900-£1,800 professionally.

Water-based epoxy is thinner, easier to apply, has low odour, and is cheaper (£15-£25/m²), but is less durable and best for light domestic use. Solvent-based epoxy is thicker, more durable, chemical-resistant, and costs £20-£35/m² — ideal for garages and workshops. 100% solids epoxy (solvent-free) is the most durable at £30-£50/m² and is used in commercial and industrial settings. It’s thicker, more chemical-resistant, and has a longer lifespan but requires professional installation.

The lifespan of epoxy flooring depends on the type and usage. Water-based epoxy typically lasts 2-5 years in domestic settings. Solvent-based epoxy lasts 5-10 years. 100% solids epoxy can last 10-20 years in commercial settings. With proper surface preparation, a polyurethane top coat, and moderate use, most domestic epoxy floors last 5-10 years. Heavy industrial use may reduce lifespan to 3-7 years even with high-quality systems.

DIY epoxy flooring can save 50-60% compared to professional installation, making it worthwhile for domestic garages and low-traffic areas. However, success depends heavily on proper surface preparation (grinding, etching, cleaning), correct mixing ratios, and application in suitable conditions (temperature, humidity). Common DIY failures include poor adhesion, bubbling, and uneven finish. For high-traffic areas, commercial spaces, or if you’re unsure about preparation, professional installation is recommended despite the higher cost.

A typical UK single garage (12-15m²) costs £250-£500 for DIY epoxy kits including materials and preparation. Professional installation of a standard 2-coat epoxy system costs £800-£1,500 for a single garage. A double garage (24-30m²) costs £400-£800 DIY or £1,500-£3,000 professionally. Premium systems with decorative flakes or metallic finishes add £20-£50/m² to the cost. Surface preparation (diamond grinding) adds £8-£15/m².

Yes, surface preparation is critical for epoxy adhesion and longevity. Methods include: acid etching (£3-£5/m² DIY) for light preparation, diamond grinding (£8-£15/m²) for best results, or shot blasting (£10-£20/m²) for heavy-duty preparation. The concrete must be clean, dry, and free of oils, sealers, and contaminants. Poor preparation is the #1 cause of epoxy failure. For new concrete, wait at least 28 days for curing before applying epoxy.

For a domestic garage, a 100% solids epoxy or high-quality solvent-based epoxy is recommended. A 2-coat system (primer + top coat) with a polyurethane or polyaspartic top coat offers the best balance of durability, chemical resistance, and UV stability. Budget around £40-£60/m² for materials. For heavy-duty use (workshop, car repair), consider a 3-coat system with decorative flakes for added durability and aesthetics. Professional installation typically costs £50-£80/m² for a quality garage floor system.

A typical epoxy floor installation takes 3-5 days. Day 1: surface preparation (grinding, cleaning, repairs). Day 2: primer application. Day 3: epoxy coat application. Day 4-5: top coat and curing. DIY projects may take longer (5-7 days) due to slower application and longer curing times between coats. The floor is typically walkable after 24 hours, light use after 3-4 days, and fully cured after 7 days. Temperature and humidity affect curing times.