Problems an Extension Solves
- Too small: no room for a dining table, lounge seating or a fire feature.
- Cracked or sinking concrete: often a sign of a weak base or water undermining the slab.
- No connection to the yard: a single step down to the grass with nothing in between.
- Too hot to use in summer: a bare slab in full sun.
- Water after heavy rain: puddles on the patio or runoff toward the house.
Left alone, drainage problems can lead to further settling and moisture against the foundation, so we address them as part of the extension.
Concrete vs. Paver Extensions
A concrete extension is usually the most economical route and can be broom-finished, stamped or stained. Matching new concrete to old is difficult, so we often use a border band or a different finish to make the transition look deliberate. A paver extension can surround or cover the existing slab, giving the whole patio one uniform finish, and pavers flex with soil movement rather than cracking. If the original slab is badly damaged, removing it and starting fresh may be the better value.
Planning for Shade and Drainage
We pitch the new surface away from the house, add channel drains or a French drain where water collects, and plan footings now if you might add a pergola or covered porch later. Pouring footings during the extension saves tearing up new work down the road.
Typical Cost and Timeline
Most patio extensions we build fall within a broad range of about $3,000 to $10,000, depending on size, material, demolition, drainage work and site access. Installation itself usually takes two to four days for a typical extension, plus curing time for concrete. Your free estimate will itemize the options.
Common Questions
What is the difference between a concrete and a paver patio extension?
Concrete is one poured slab and usually costs less up front. Pavers are individual units on a compacted base, which tolerate soil movement, are easy to repair, and can cover an old slab for a uniform look.
Will the new section match my existing patio?
Exact concrete color matches are rare because concrete changes as it ages. We plan transitions with borders or contrasting finishes, or recommend pavers over the whole area for a seamless result.
How long does a patio extension take?
A typical extension takes about two to four working days, with extra time for concrete curing before heavy furniture goes on it.
Can I customize the shape?
Yes. Curves, seat walls, steps, fire pit pads and planting pockets can all be incorporated into the extension design.