150 x 300 cm Porcelain Slabs

The ultimate expression of large-format porcelain, our 150 x 300 cm slabs deliver scale that no other tile size can match, ideal for expansive floor areas, dramatic feature walls and luxury wet rooms. Sourced from the finest porcelain tile manufacturers and produced to precise 1500 x 3000 mm dimensions, each slab covers 4.5 square metres, creating virtually seamless surfaces that transform open-plan kitchens, formal hallways and full-height bathroom installations into truly monolithic spaces. The format demands professional installation by trained specialists, and pairs exceptionally well with underfloor heating. Available in marble, stone and concrete effects across polished, natural and honed finishes.

Loading
Colour
Finish
Slip Rating
quantity
usage

All prices include VAT @ 20%.
Saving up to price shown.*
Discount depending on chosen size.†
Free Delivery over £500 (except slabs)
While stocks last.

No products found, please try again.

Best Uses for 150 x 300 cm Porcelain Slabs

The ultimate choice for expansive floor areas in open-plan kitchens, large hallways and basement conversions where minimal grout lines are desired. Internally, they also transform feature walls and full-height bathroom installations, offering the appearance of natural stone, concrete and marble, with superior durability.

Why Choose 150 x 300 cm Porcelain Slabs?

At 4.5 square metres per slab, this format covers vast areas with virtually no joins, something no other tile size can achieve. Porcelain's strength allows such immense pieces to remain just millimetres thick, keeping weight manageable for both walls and floors.

Why Choose Porcelain Slabs Over Ceramic?

Ceramic is fundamentally incapable of being manufactured at slab dimensions, as it would crack under its own weight. Porcelain's exceptional strength allows these vast pieces at just 6mm thick, opening up applications impossible with any traditional ceramic or natural stone alternative.

Are Porcelain Slabs Good for Bathrooms?

Outstanding for luxury bathrooms and wet rooms where seamless walls and floors are desired. The near-invisible grout joints create truly continuous surfaces, perfect for waterproofing and easy cleaning. Best in spacious bathrooms where the slabs' full impact can be appreciated.

150 x 300 cm Porcelain Slabs Buying Guide

Layout Suggestions for 150 x 300 cm Porcelain Slabs

On floors, install lengthways down hallways or across the widest room dimension to maximise the seamless effect. On walls, vertical orientation enhances ceiling height, while horizontal placement broadens narrow rooms. Book-matching adjacent slabs creates stunning mirrored veining on feature walls.

Finish Options for 150 x 300 cm Porcelain Slabs

Polished slabs showcase marble-effect veining spectacularly on feature walls and in formal reception rooms. Natural finishes handle the demands of large open-plan kitchen floors reliably. Honed strikes a refined middle ground for statement walls without the high-gloss intensity of polished.

Choosing the Right Finish for 150 x 300 cm Porcelain Slabs

Natural finishes are recommended for floor installations, typically offering R9 slip resistance suitable for dry indoor floors and low-moisture areas. Polished and honed slabs are stunning on internal feature walls and full-height bathroom installations. These slabs are not suitable for outdoor floor use, where dedicated outdoor-grade tiles are required.

How to Lay 150 x 300 cm Porcelain Slabs

Installation of this format must only be carried out by trained professionals. Specialist suction frames, two-person handling and dedicated cutting equipment are required throughout. Substrate preparation, adhesive selection and slab transportation all demand expert knowledge to avoid costly damage.