Hedges vs Fences – What's Better for Privacy in UK Gardens?

If you feel overlooked in your garden, the big question is often whether to install a solid fence, plant a hedge, or use a mix of both. Each has pros and cons for cost, maintenance, wildlife and how the garden feels to sit in.

This guide looks at hedges and fences from a practical, UK point of view so you can choose a solution that suits your budget, time and neighbours.

Video: why plant a hedge instead of a fence?

This RHS video explains the benefits of planting a hedge for privacy and structure instead of relying on fencing alone. It is a good starting point if you are not sure how a hedge might work in your space.

Upfront costs: hedge vs fence

Every garden is different, but some general patterns apply:

• Fences: higher upfront cost for posts, panels and installation, especially for long boundaries.
• Hedges: bare-root whips can be relatively cheap to buy but you may need many plants.
• Established hedging plants: more expensive per plant but give faster results.

Over a 10–15 year period, a hedge can end up similar in cost to a good quality fence, particularly if you combine DIY maintenance with occasional professional trims.

Space and layout

Fences take up very little depth, which is handy in small gardens. Hedges need space to spread.

• Allow at least 60–90 centimetres depth for most evergreen hedges once mature.
• Think about gates, bins and paths when planning hedge positions.
• On tight plots, a slim fence with climbers might be more realistic.

Maintenance and time

One of the biggest differences between hedges and fences is ongoing maintenance.

• Fences: occasional repairs, painting or staining, replacement panels after strong winds.
• Hedges: regular trimming (typically once or twice a year) and some clearing of clippings.
• Very tall or wide hedges may need professional trimming and safe access equipment.

Wildlife, noise and feel

Hedges and planting change how a garden feels to sit in.

• Hedges: provide food and shelter for birds and insects, and can soften traffic noise.
• Fences: stop views but do not offer much for wildlife unless you add climbers or bird boxes.
• Mixed planting (hedges plus climbers and shrubs) gives the most natural feel.

Legal and neighbour considerations

Privacy boundaries can be sensitive. It is always worth keeping neighbours in mind.

• Check whose boundary you are building on and what the deeds say.
• Many councils provide guidance on high hedges and fence heights; check their website.
• Talk to neighbours before planting fast-growing species or changing fence heights.

When a fence makes most sense

A fence-first approach is often best when:

• You need instant privacy and security.
• There is very little planting space available.
• You do not want the commitment of regular hedge trimming.

When a hedge is the better choice

A hedge is often ideal when:

• You want a softer, greener boundary that feels natural.
• Encouraging birds and pollinators is important to you.
• You are happy to invest in trimming once or twice a year.

A combination approach

In many UK gardens the best solution is a mix of both:

• Use a sturdy fence for security at the back of the garden.
• Plant a hedge or screening plants in front to soften the view from the house.
• Add climbers on fences to bring in greenery where space is tight.

Frequently asked questions

How long does a hedge take to give privacy?

It depends on the species and plant size. Bare-root whips of fast-growing species can give useful screening in three to five years. Larger container-grown plants will screen more quickly but cost more upfront.

Can I replace a neighbour's fence with a hedge?

Boundaries can be complex. If the fence belongs to your neighbour, you cannot remove or alter it without their permission. You can usually plant a hedge on your side of the boundary, but it is wise to discuss it with them first and consider height and maintenance.

Are fast-growing hedges a bad idea?

Fast-growing hedges give privacy quickly but need more frequent trimming and can cause neighbour issues if allowed to get too tall. Choosing slightly slower-growing species and keeping on top of regular trimming is often a better long-term option.