Installing time tested solutions that will drain your garden.
Somerset, Devon, Dorset, Hampshire, Surrey, Berkshire, Oxfordshire, Gloucestershire, Buckinghamshire, Wiltshire, The Midlands, South Wales, West London, Greater London, North London and Central London.
Landline after 8pm 01934636410 Mobile anytime 07770344656
On this page F.A.Qs
Cost of installing lawn drainage. The drainage system we install. DIY advice.
Have you got a soggy waterlogged lawn or garden that holds water and is muddy ? When what you really want is a lawn the kids can play on after school, without bringing saturated mud into the house. Or maybe plant flower borders or a vegetable garden, with soil that isn't spongy and boggy after raining.
We are garden and lawn drainage contractors, specialising in domestic gardens, solving soggy, boggy problems with solutions that work.
We have not suddenly appeared as a reaction to recent flooding on the Somerset levels and Thames valley or record rainfall, we have been installing French drains for many years, both as a necessity and for the past 10 years as a business. We know what we are doing.
What causes water logging and surface water puddling?
There are several causes for poorly or slow draining spongy soil, It is a common problem, not just for homes and gardens built on low lying land, floodplain, clay or compacted soil.
Structures you or your neighbour have added, like retaining walls, footings for extensions and patios can all divert surface rain water and underground springs, causing water logging.
A lot of time and money can be spent trying to trace the source of the problem, leading to disputes with neighbours, surveyors, the builder who built the extension the landscaper who installed your patio and retaining wall without considering the effect on garden drainage.The only solution that works is to drain the water from your lawn.
Installing lawn and garden drainage solutions.
This is the system we recommend and install on clay.
Based on French drains, its installed under the existing turf or garden topsoil and solves waterlogged garden drainage problems, its easily the best drainage system for clay gardens. The drainage system takes about four days to install and the garden starts to drain immediately. Why put up with a lawn the kids can't play on and mud you can't plant in. The problem won't just go away.
Herringbone French drainage system.
If lawns are waterlogged over the whole area, a French drain installed in a Herringbone pattern is your best bet.
How we install French drains.
Mark out and dig the main trench from the highest part of the lawn, to the lowest part.
Connect to a Soak away, Sump, or Surface water drain.
Then mark and dig out the side trenches to connect to the main drain, forming a herringbone pattern.
The side drains join the main drain at a 45 degrees angle and are spaced at 10 ft intervals for clay soil and 25 ft intervals for loamy soil.
Fill the drains with wrapped gravel. I/e line the trench with A heavy duty landscape fabric, for sale in the drainage shop, to keep earth out of the gravel and allow water to percolate freely through the gravel, then shovel coarse gravel onto the landscape fabric and wrap the fabric over the top of the gravel.
Next loosely shovel three or four inches of topsoil back into the trenches, slightly overfilling to allow for settling and making sure not to compact the soil.
A gravel drain trench system installed below the surface, solves most garden drainage problems. Ever since the Romans used them to solve drainage problems, not much has changed, perforated plastic pipes (holes at the top or bottom, depends on who you ask ) came and went, French drains still work.Why are they are called French drains? Although stone drains go back the Ark, they are actually named after an American, Henry French a 19th-century judge, gardener and farmer
Draining the water away.
Soak away or Sump or Drain?
At the lowest end of the main trench dig out a soak away at least four feet deep filled with chunky gravel or clean rubble and link the main drain to the soak away.
Soak aways are unlikely to work in clay soil.
If after you have dug out the soak away, you find the water is not draining away, you will need to look at either connecting into the surface water drain system or where this isn't feasible, converting the soak away into a sump and pump
After installing the drainage channels, aerate and turfover grit sand.
The garden surface will have been flattened, during the drainage work. Ask your drainage contractor to spread grit sand over the whole area to be turfed including the French drain trenches and aerate the surface, this will help the drains work to full capacity by draining surface water into the soil and drainage channels.
If you are not laying new turf over the completed drainage system, spread grit sand over the whole lawn. Leave the tips of the grass showing and aerate. Hard work, but you will end up with a level well drained lawn that's nice to walk on.
See the lawn care tips on the landscape gardeners page. I also offer a lawn turfing service in all areas of Southern England, where we have installed land drainage systems.
Aerating the whole area, including over the trenches, ensures surface water drains from the surface into the soil and drainage system. How to aerate here.
Do not connect into the Foul drainage system: this is the drainage system that removes the waste from the toilet, bath, sinks, washing machines, dishwashers and showers and you will need permission from the local council.
You can connect into the surface water drainage: this is the drainage system that deals with rainfall from your gutters, etc.
In gardens that slope away from the house, it may not be possible to connect the gravel drains directly into the surface water drainage system and the rain water may need to be drained into a sump and pumped. I have included some basic information on thedrainage sump and pumpspage. Also some other drainage systems you may want to consider.
What won't fix a waterlogged garden.
Soakaways on clay soil.
Covering the area with top soil. can create one big sponge
Raising the complete lawn without an escape route for the water. could create one big soggy bog garden.
Cost of garden and lawn drainage
What does installing a Garden drainage system cost ?
The average cost of French drain installation in the uk is £2800.
Home visits to advise and prepare a quote cost £200 (fully refundable)
The fee ispaid on the day and refunded when the land drainage work is carried out.
The meeting to discuss a drainage solution will take about an hour and includes,
On the spot assessment and advice.
Followed up with a quote describing the work to be carried out.
The cost for me to carry out the drainage installation.
The quote can be used for D.I.Y or the cost refunded when I carry out the work.
Alternatively purchase my D.I.Y. guide to installing garden drainage for only £10.00. This includes five minutes free telephone support and can be found on this pageDiy garden drainage
For D.I.Y and landscape contractors installing land drainage I have prepared an easy to follow guide that includes, telephone back-up, marking out, materials and a formula to calculate the gravel to fill the trenches.
The drainage guide only costs £10.00 and can be purchased here.
I just wanted to get in touch to let you know that despite the dire weather we've had since you installed drainage for us back in April, it has been working fantastically. We are so pleased - it has worked even better than we hoped it would. We no longer have to wear wellies and run the risk of sinking in a bog every time we venture outside! With any luck we may even get some summer soon and be able to actually sit out there!The other thing is we found a steel flask in the garden that one of you left - I washed it out and put it to one side to post but forgot - have just rediscovered it! Do you want me to post it back to you, or are you back in Cardiff anytime to pop in and collect it? Let me know what's best.Thanks once again. We will gladly recommend you to anyone needing drainage work done in future.
Louise Name and address supplied
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land and garden drainage contractors in Cardiff, Newport, Swansea and South Wales.
A waterlogged garden or a lawn with poor drainage produces moss very quickly . Chemicals offer a temporary Solution but wont solve the problem. Simply laying new lawn turf over the waterlogged, soggy and moss covered lawn doesn't work either, I have included tips and advice on this site, that will help to sort out the problem or ask me for a quote for Land, Garden and lawn drainage solutions that are laid under the lawn. Soak away, Herringbone drainage channels or a French drain system can solve garden drainage problems.. Ask me for proven, time tested drainage solutions for soggy and waterlogged lawns and gardens to solve drainage problems before re turfing.