Patio and Garden drainage question
Discussion
I’m planning a new porcelain patio to replace my block paving, which suffers from poor drainage, and I want to get the design right. I’ve received a few quotes, but none have inspired confidence when discussing the drainage issues.
The current patio is 12 ft long with a 2-inch fall away from the house. The patio meets the lawn at its lowest point. The lawn is about 35 ft long and rises roughly 5–6 inches at the far end on the right-hand side, causing significant water pooling where the patio meets the grass.
Whats the best practice here?
I’ve seen many patios with ACO drains at the base of the house, but this seems counterintuitive since it would require water to flow toward the house. Would it make more sense to install a drain where the patio meets the lawn while maintaining the fall away from the house and should I consider flattening the lawn and laying new turf?
Couple more photos for context. Of course, any other comments or ideas welcome
The current patio is 12 ft long with a 2-inch fall away from the house. The patio meets the lawn at its lowest point. The lawn is about 35 ft long and rises roughly 5–6 inches at the far end on the right-hand side, causing significant water pooling where the patio meets the grass.
Whats the best practice here?
I’ve seen many patios with ACO drains at the base of the house, but this seems counterintuitive since it would require water to flow toward the house. Would it make more sense to install a drain where the patio meets the lawn while maintaining the fall away from the house and should I consider flattening the lawn and laying new turf?
Couple more photos for context. Of course, any other comments or ideas welcome
I've just done similar but installed the aco drain round the house and sloped the patio towards it, the couple of builders I spoke to both said do it this way. you can also get the patio higher to the damp proof course, (think its one brick down) if you put an aco next to the house, something to do with the splash back of rain.
I did post a thread on here recently about soil washing onto the patio from my grass as that also slopes toward the house although I've levelled it off a lot better than it was, and one of the suggestions was to put an aco between the grass and the patio although that was too involved for me at this stage. I've since rotavated the soil around that area again and the drainage is now somewhat improved.
But saying all that block paving will certainly have better drainage than porcelain tiles.
I did post a thread on here recently about soil washing onto the patio from my grass as that also slopes toward the house although I've levelled it off a lot better than it was, and one of the suggestions was to put an aco between the grass and the patio although that was too involved for me at this stage. I've since rotavated the soil around that area again and the drainage is now somewhat improved.
But saying all that block paving will certainly have better drainage than porcelain tiles.
POIDH said:
What's your soil like?
Where does the overall drainage of your road / estate / block go?
What is other side of the fence where it pools?
What is down the side of your house or to the front?
(I'm thinking where water can actually go...)
There's a manhole cover just to the left of the black chair, slightly out of photo. I could run an ACO to it very easily.Where does the overall drainage of your road / estate / block go?
What is other side of the fence where it pools?
What is down the side of your house or to the front?
(I'm thinking where water can actually go...)
Frane Selak said:
I've just done similar but installed the aco drain round the house and sloped the patio towards it, the couple of builders I spoke to both said do it this way.
This would certainly be the easiest, but everything I've read online so far says not to do this! If the drains block and there's heavy rain, there's nowhere else for the water to go except your house. 3xAAA said:
POIDH said:
What's your soil like?
Where does the overall drainage of your road / estate / block go?
What is other side of the fence where it pools?
What is down the side of your house or to the front?
(I'm thinking where water can actually go...)
There's a manhole cover just to the left of the black chair, slightly out of photo. I could run an ACO to it very easily.Where does the overall drainage of your road / estate / block go?
What is other side of the fence where it pools?
What is down the side of your house or to the front?
(I'm thinking where water can actually go...)
I don't believe you're allowed to connect surface water to foul/ sewer system.
POIDH said:
3xAAA said:
POIDH said:
What's your soil like?
Where does the overall drainage of your road / estate / block go?
What is other side of the fence where it pools?
What is down the side of your house or to the front?
(I'm thinking where water can actually go...)
There's a manhole cover just to the left of the black chair, slightly out of photo. I could run an ACO to it very easily.Where does the overall drainage of your road / estate / block go?
What is other side of the fence where it pools?
What is down the side of your house or to the front?
(I'm thinking where water can actually go...)
I don't believe you're allowed to connect surface water to foul/ sewer system.
You could have a French drain at the end of the patio, draining to a soakaway at the far corner of the garden.
3xAAA said:
TA14 said:
3xAAA said:
should I consider flattening the lawn and laying new turf?
Yes, reversing the fall of the garden would be the best option although a lot of work. How fit are you?
French drain and soakaway £1,250.
Reversing the fall of the garden £3,750. (If any retaining problems, then, say £5,000)
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