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Garden maintenance, design and clearance across SE13. Family-run, 12+ years in South East London, free quotes within 24 hours.
Lewisham is where two rivers meet, and that single fact explains most of what we deal with in SE13 gardens.
The Quaggy joins the Ravensbourne right beside Lewisham station. Almost the entire borough sits in the Ravensbourne catchment, and the town centre sits in the valley floor where both rivers converge. Gardens here are not on a hill shedding water like Sydenham, or on a free-draining sandy plateau like Blackheath. They are at the bottom, where the water ends up.
Valley-floor ground in SE13 is a mix of river alluvium and London clay. Both hold water. Climb up toward Blackheath, Brockley or Hither Green and it improves. Down in the valley around the town centre, Loampit Vale and Ladywell, it does not.
Practically: lawns that sit wet from November through March, moss taking over grass, mud on any route people walk, and paving that greens up faster than it should. Fence posts work loose as the ground swells and shrinks through the year.
The other issue is surface water. Lewisham's own Surface Water Management Plan estimated over 2,200 properties in the borough at risk of surface water flooding, with several hundred at a depth of half a metre or more. Surface water flooding happens when heavy rain runs off hard surfaces faster than drains can take it, and it is getting worse as more gardens get paved over.
Which leads to the one thing we would say to any SE13 homeowner planning a garden project.
Paving over a garden in a surface water flood zone means every drop of rain that used to soak in now runs somewhere else, usually toward your house or your neighbour's.
We are not going to tell you not to have a patio. Most of the gardens we build in SE13 have one. But there is a difference between a paved seating area with planted borders and permeable joints, and a garden paved wall to wall with impermeable slabs on a solid base.
The practical version: keep some permeable surface, use gravel or permeable jointing where you can, build in a planted border along one edge, and make sure the fall on any paving takes water away from the house rather than toward it. None of that costs more if it is designed in from the start. All of it costs a great deal to fix afterwards.
Our guide on poor drainage in South East London gardens covers the options, and dealing with flooding and mud in the rainy season is worth reading before winter.
Some SE13 gardens back directly onto the river. Between the Weigall Road flood storage area and the confluence with the Ravensbourne, the Quaggy runs mostly through narrow concrete and brick-lined channels that pass between rear gardens.
If that is your garden, you may be what is called a riparian owner, which comes with legal responsibilities for the watercourse on or beside your land. That affects what you can do near the bank, what you can plant, and what you are responsible for keeping clear.
We are gardeners, not a legal service, so we will not tell you what your duties are. But we will flag it before starting work near a channel, and we would suggest checking your position with Lewisham Council or the Environment Agency before anyone touches that boundary. Getting it wrong near a watercourse is not a small problem.
Call us on 07760800457 or email office@urbangardeners.co.uk for a free quote within 24 hours.
Most Lewisham gardens we redesign are Victorian or Edwardian terrace plots: long, narrow, and reached only through the house. That shape rewards being broken into sections rather than left as one corridor with a lawn strip down the middle.
On SE13's wet valley ground, the design decisions that matter most are not the ones people expect. Where the water goes matters more than where the seating goes, because a beautiful garden you cannot walk across in February is not a garden you use.
What works here:
Projects range from around £1,200 for a refresh to £18,000 for a full transformation. Free survey, written quote within 3 business days. See the landscaping and design service page and the landscaping cost guide.
Planning a Lewisham garden project? Send us photos and we will tell you what the ground is likely to do before you commit to a design. Get a free quote.


Before/after of a landscaping project with Urban Gardeners.
Damp ground grows grass fast, so mowing frequency matters more in SE13 than in drier parts of London. A lawn left three weeks in June here is a different job from a lawn left three weeks in Blackheath.
The other thing regular visits prevent: compaction. Walking on a saturated lawn compresses the soil, which stops it draining, which keeps it wetter, which makes the compaction worse. It is a loop, and once a lawn is properly compacted it needs aeration rather than mowing.
£83 for the first hour, £65 for each hour after, no minimum charge. Most first visits run two to three hours to get a garden back to a workable baseline. Ongoing visits can be as short as an hour once it is under control.
See our garden maintenance service page and the maintenance cost guide.
£85 per hour with a two-person team, tools included. Waste charged separately at £10 per 150-litre bag or £40 per bulk bag. Photo quotes within 24 hours for most jobs.
Two things worth mentioning when you get in touch. Access, since most SE13 terraces have no side gate and everything comes back through the house. And timing, because clearing a saturated garden in February takes longer and churns the ground more than the same job in September. If it is not urgent, we will tell you when it would be easier and cheaper to do.
See the clearance cost guide or the clearance service page.


Before/after of a garden clearance with Urban Gardeners.


Before/after of a artificial grass project with Urban Gardeners.
Natural turf £15 to £28 per sqm including turf, labour and topsoil. Artificial grass £60 to £90 per sqm including excavation, sub-base, membrane and grass. On SE13's valley ground the preparation is the whole job. Turf laid onto compacted wet clay without breaking it up and adding topsoil will be moss by the second winter, and we will say so rather than take the money. Our natural vs artificial grass comparison covers whether artificial makes more sense on a permanently damp plot, and the turfing cost guide has the full breakdown.
Closeboard panels £260 each, standard panel fencing £230 to £280, including materials, labour, post installation and concrete setting. Storm damage repairs £150 to £300 per section. Post setting needs care on ground that swells and shrinks through the year, and if your boundary is anywhere near a watercourse, check the riparian position first. See the fencing cost guide, or what to do about a blown down fence.


Before/after of a jet washing cleaning with Urban Gardeners.
Damp, shaded surfaces in the valley green up faster than elsewhere in SE London, so this is a more regular job here, at £4/m² (£140 minimum). Before booking, our guide on whether jet washing will damage your patio covers which surfaces cope with it.


Before/after of a decking project with Urban Gardeners.
Softwood, hardwood and composite. A small softwood deck up to 12m² starts around £960 to £1,920. Decking suits wet SE13 plots better than most solutions because it sits above the ground rather than on it, and water still reaches the soil underneath. The subframe needs setting properly for ground that moves. See the decking cost guide.

Lawn mowing with Urban Gardeners.
Same hourly rate as maintenance. On SE13 lawns the useful conversation is usually about aeration and drainage rather than feeding. A waterlogged lawn does not need more fertiliser, it needs the compaction broken up.
For what every service costs, see our prices page, or browse the project portfolio.
Urban Gardeners is a family-run gardening team serving Lewisham SE13 and South East London - trusted by local homeowners for reliable, no-fuss garden work done properly.
Valley floor, two rivers, surface water risk. We plan where the water goes before we plan where the patio goes, because on this ground that is the decision that determines whether the garden works.
Turf on compacted clay, a lawn in a permanently wet corner, paving with the fall running toward the house. We would rather explain why than take the money and be back in two years.
All work by our own in-house team. The people who quote the job are the ones who do it.
Most SE13 terraces have no side gate. Floor protection as standard, and the carry distance is in the quote rather than added later.
We cover all of SE13 and the surrounding areas. If you're just outside Lewisham, we're likely already working near you.
Visit our full South East London service area page.
Not entirely, and it is worth understanding why. Lewisham has significant surface water flood risk, with over 2,200 properties in the borough estimated to be at risk. Paving a garden wall to wall with impermeable slabs means rainwater that used to soak in now runs somewhere else. A paved seating area with planted borders, permeable jointing and the fall running away from the house is a completely different proposition, and costs no more if it is designed in from the start.
Possibly. Between the Weigall Road flood storage area and the confluence with the Ravensbourne, the Quaggy runs largely through channels between rear gardens. If yours is one of them, you may be a riparian owner with legal responsibilities for the watercourse. We flag this before working near a channel, but for your actual position, check with Lewisham Council or the Environment Agency rather than relying on a gardener.
£83 for the first hour and £65 for each hour after, with no minimum charge. Most first visits take two to three hours. Ongoing visits can be as short as an hour once the garden is under control. Damp ground grows grass quickly here, so regular visits tend to work out better value than occasional big sessions.
£85 per hour with a two-person team, tools included. Waste charged separately at £10 per 150-litre bag or £40 per bulk bag. Mention access when you send photos, since most SE13 terraces have no side gate. Clearing saturated ground in midwinter takes longer than the same job in early autumn, and we will say so if timing is flexible.
Sometimes, but not always, and we will be straight about which. Turf laid onto compacted wet clay without proper preparation will be moss within two winters. Where the ground stays genuinely saturated, artificial grass or a redesign that puts planting in the wet section and hard surface in the dry one gives a better result than fighting it.
Yes. Lewisham SE13 is one of our regular working areas, along with Brockley, Catford, Blackheath, Lee and Greenwich. See our areas we cover page for the full list.
Photo-based quotes within 24 hours for most services. Larger jobs like landscaping, turfing, fencing and decking get a free on-site survey with a written quote within 3 business days. Monday to Saturday, 9am to 6pm.

Tell us what you need and we’ll reply with a price and the earliest availability. No pressure.
Prefer to speak? Call Mon–Sat: 07760800457
Fast response. Local team. No obligation.