Fencing guide

Modern Garden Fencing Ideas That Work in UK Gardens

Horizontal slats, dark stains, composite, metal screens, white PVC and planted boundaries: modern fence ideas with real costs and trade-offs.

By the Simple Fencing team5-minute read

Short answer: the modern look comes down to three things: horizontal lines, a darker or very clean colour, and fewer visible fixings. You can get it in stained softwood for not much more than a standard fence, or pay more for composite, aluminium or PVC that keeps looking new with almost no upkeep. These are the ideas that hold up in British weather, with what each one really costs you.

1. Horizontal slatted timber

This is the look most people mean by "modern fence": planed boards, usually 70–150mm deep, fixed horizontally with small, even gaps. It suits small gardens because the horizontal lines make the space feel wider.

What to know:

  • Use planed, pressure-treated softwood at minimum, or a durable species such as larch or cedar if the budget allows. Rough-sawn boards spoil the effect.
  • Gaps of 10–20mm let wind through and still screen most views. That is a real advantage on exposed plots.
  • Long horizontal boards can sag or twist between posts. Keep post spacing tight, around 1.8m or less, or add a centre support.
  • Expect to pay more than closeboard per metre because of the extra labour and better timber.

2. Dark stain on an ordinary fence

The cheapest makeover there is. A charcoal, black or deep green stain on an existing closeboard or panel fence makes plants stand out and the boundary recede, which can make a small garden feel bigger.

The catch is that dark colours fade in strong sun and show patchiness when you reapply. Use a proper exterior wood stain rather than a cheap shed paint, and plan to recoat every two to three years.

3. Composite boards in a slatted or solid design

Composite fence boards slide into aluminium posts and give a tidy, grain-effect finish that doesn't need staining. Greys and anthracite are the popular modern shades.

Pros: no rot, no splinters, consistent colour, minimal maintenance. Cons: typically £130–£220 per metre fitted, heavy to handle, and early colour lightening is normal on many products. Check what the warranty covers: many exclude fading. The boards expand in heat, so follow the manufacturer's fitting gaps.

4. Aluminium slat screens

Powder-coated aluminium slats are the sharpest-looking option. Lines stay straight, there is no rust, and the screen only needs washing. Many systems let you choose the slat gap.

They are also the most expensive. Published 2026 guides put fitted aluminium slatted fencing at roughly £250–£400+ per metre, with London-area quotes often around £350–£400. Most people use them for a feature run behind a patio or hot tub and fence the rest of the boundary more cheaply.

5. White PVC, for a clean modern-classic look

Not every modern garden is grey. A white tongue-and-groove privacy panel or a crisp white picket looks fresh against brick and green planting. It is popular on new-build estates and coastal homes. PVC doesn't need painting, so it stays bright white without a brush. Expect a little dirt along the base after a wet winter, which washes off.

Our Cascade privacy panels are 8ft wide and 6ft high in solid or lattice-top versions, and the lattice top keeps a tall boundary from feeling enclosed. White doesn't suit every house, though. On a dark-brick Victorian terrace it can look stark, and a stained timber or black metal fence may sit better.

6. Mixed materials

Some of the best-looking boundaries combine two materials:

  • Gabion or brick piers with timber or metal infill. Solid, architectural, and good at hiding a slope.
  • Sleepers as a retaining edge with slats above. This handles a level change and gives a raised bed in front.
  • Concrete posts painted to match the boards. This hides the utilitarian grey and keeps the strength.

Check the weight and foundations. Gabions and masonry piers usually need proper footings and sometimes an engineer's view on a slope.

7. Living boundaries

A pleached hornbeam screen (trees trained flat on a frame above a clear stem) gives privacy at 2–3m without taking ground space. A clipped beech or yew hedge is about as timeless as a boundary gets. Climbers such as star jasmine or clematis on a wire grid soften a plain fence in a couple of seasons.

Hedges and pleached trees take time, need cutting and cost more than they first appear. If an evergreen line grows over 2m, a neighbour can complain to the council under the high-hedges rules. In return you get wildlife and a garden that feels established.

Practical points before you commit

  • Height. In England you can usually go to 2m without planning permission, or 1m next to a road used by vehicles. A modern fence on a front boundary has to be low.
  • Good side out. Many systems look different on each side, and slatted designs often look best from the face the boards are fixed to. Agree with neighbours which way it faces.
  • Posts set the lifespan. A beautiful slatted fence on poorly set posts will lean within a few winters. Spend money below ground first.
  • Lighting. Low-level lights washing up a slatted fence make more difference after dark than almost anything else.

Quick cost guide

Idea Rough cost Upkeep
Stain an existing fence DIY materials only Recoat every 2–3 yrs
Horizontal slatted softwood Above closeboard (£90–£130+/m fitted) Treat every 2–3 yrs
Composite slatted £130–£220/m fitted Wash
Aluminium slats ~£250–£400+/m fitted Wash
White PVC privacy Supply prices online Wash
Pleached trees / hedge Varies widely Cut 1–2× a year

If the clean white look suits your house, you can price a full run in the Complete Fence Planner, including posts, caps and gates.

FAQ

Which fence makes a small garden look bigger?

Horizontal lines and darker colours tend to make a boundary recede. Planting in front of the fence blurs the edge further.

Do slatted fences give enough privacy?

At close range, mostly yes with gaps of 10–20mm. From an angle you'll see through, so use narrower gaps or hit-and-miss where you sit.

Can I make a timber fence look modern without replacing it?

Often yes. A dark stain, matching paint on the posts and a few climbers or lights go a long way.

Pricing a PVC fence?

The Complete Fence Planner works out panels, posts, caps and gates for your run and shows the total including VAT. Buying in volume for a site, school or development? The trade page gets you an itemised quote the same working day.

Open the Fence Planner Trade and volume quotes

Or call 03333 222 050, Mon–Fri 8–5, Sat 8–12.