Painting Concrete Floors in North London: Basements, Garages & Extensions

Concrete floor painting has moved far beyond the grey workshop aesthetic of a previous era. Today's high-performance concrete floor coatings — applied to the basements, garages, and ground-floor extensions of North London's finest homes — can achieve anything from industrial-chic satin finishes to seamless microcement aesthetics in any colour, and they do so with exceptional durability.

Where Concrete Floor Paint Works Best

The most common applications in North London homes are: basement redevelopments (where exposed concrete slab floors benefit enormously from a sealed, painted surface), integral garages being converted to studios or playrooms, rear extensions with poured concrete or screed floors, and new-build garden rooms. In all these cases, a correctly applied floor coating can transform a cold, industrial surface into a warm, finished room element.

Preparation: The Most Important Step

Concrete must be completely dry (minimum 28 days after pouring or screed laying), free of any dust, oil, or curing compound, and assessed for damp rising from below. We typically diamond-grind or scarify the surface to provide a mechanical key and apply a damp-proof membrane if any moisture transmission is detected. Failure to control damp is the most common reason concrete floor coatings fail — bubbles appear within weeks as moisture forces itself up through the coating.

The Best Products for London Homes

For domestic basements and extensions, we specify Rust-Oleum Mathys Pegakote (two-pack epoxy, extremely hardwearing), Zinsser Bulls Eye 1-2-3 as primer for absorbent substrates, or — for the most premium microcement aesthetic — a full Topciment microcement system in any of their extensive colour range. Single-pack floor paints are not suitable for residential use; they wear too quickly under foot traffic.

We apply concrete floor coatings across North London and NW3. Call 020 3874 2670 for a survey and quote.