On-Site Survey
A frost-resistant, low-maintenance surface laid correctly on a stable sub-base, no pooling, no loose slabs.
What Goes Wrong
Porcelain is non-porous, so a plain mortar bed cannot grip the slab back, it debonds and rocks underfoot.
A priming slurry applied to each slab back creates the mechanical bond that holds porcelain in place long-term.
Cambridgeshire clay shifts with moisture; a thin or uncompacted base lets slabs move, crack, and lift within seasons.
A plate compactor is used to achieve the required density in the Type 1 sub-base before any bedding material goes down.
A polished or smooth-face slab becomes a hazard in wet weather, a common concern that the wrong slab choice creates.
A textured or grip-rated porcelain surface addresses slip risk without changing the clean, consistent look of the patio.
Falls set incorrectly, or not at all, leave water pooling on the surface and pushing back towards the house.
Drainage falls are built into the bedding stage; they cannot be corrected once the mortar has set and slabs are grouted.
Material & Method
The sub-base, priming slurry, and jointing grout each play a specific role in keeping porcelain slabs stable.
Porcelain is denser than most paving materials and does not absorb the mortar bed the way softer stone does. A priming slurry is applied to the back of each slab before it is bedded, creating the mechanical bond that holds the slab in place. Without it, even a well-mixed mortar bed can fail to grip the surface, and slabs begin to rock as soon as foot traffic builds up.
The sub-base underneath matters just as much as the bedding. Cambridgeshire clay-heavy ground requires a well-compacted Type 1 base to prevent movement that would crack or lift the slabs over time. A plate compactor is used to achieve the required density before any bedding material goes down, and the installer checks the fall for drainage at this stage, not after the slabs are laid.
Porcelain suits both older Huntingdon properties and Cambridgeshire new builds when the colour and format are matched to the house. A textured or grip-finish slab addresses the slippery-when-wet concern directly. Joints are filled with a flexible jointing grout that accommodates slight movement without cracking, and the finished surface needs no sealing, no re-sanding, and very little cleaning to stay looking consistent year on year.
Why Choose Us
We schedule a survey of the ground conditions, then a quote for the full scope of work.
Installers familiar with Cambridgeshire clay assess sub-base needs before quoting.
A visit to the site checks drainage, and advises on slab format and colour.
Excavation, sub-base, bedding, paving and jointing are quoted as separate line items.
The installer advises on porcelain finish, thickness and format to suit the property type.
Huntingdon, Godmanchester, St Ives and Brampton are covered without travel surcharges.
The Process
01
Tell us the area size, what is down there now, and how it currently drains.
02
An on-site visit checks the ground. Excavation, sub-base and paving are quoted separately.
03
The installer lays the sub-base, beds the slabs on a primed mortar bed, and fills joints with flexible grout.
Pricing Estimates
| Job | Typical cost |
|---|---|
| Small porcelain patio | £2,000-£3,100 |
| Medium porcelain patio | £2,500-£3,800 |
| Large porcelain patio | £4,800-£6,500 |
Describe the size, what is down there now and how it drains, and we’ll schedule a survey and a quote for the full job.