How to Design a Garden for Privacy Without Making It Feel Closed In

The Privacy Dilemma

Privacy is one of the most common requests we get from clients in the Chilterns. But there is a dilemma: tall boundaries block views but also block light and make the garden feel claustrophobic. The trick is to provide privacy without making the garden feel closed in.

In hillside villages like Princes Risborough, Wendover and Great Missenden, gardens are often overlooked from properties above. A 2 metre fence will not solve this. A 4 metre wall will solve it but will also block all light and make the garden feel like a prison. The solution is a mix of heights, with screening only where it is needed.

The 5-Principle Approach

1. Use a Mix of Heights

Do not use the same height all around the garden. Use:

• Low hedges (60cm to 1m): for boundary definition without blocking views
• Medium shrubs (1.5 to 2m): for screening seating areas
• Tall trees (3 to 5m): for screening specific overlooking windows
• Pleached trees (2 to 3m clear stem, 1 to 1.5m panel): for above-fence screening

2. Avoid Solid Walls Over 1.8m

Solid walls over 1.8m block light and make the garden feel closed in. They also require planning permission in most areas. Use hedges, trees, or pergolas instead.

3. Use Pleached Trees for Above-Fence Screening

Pleached trees are trees trained on a clear stem (1.5 to 2m) with a flat panel of branches on top. They screen above the fence line without blocking light lower down. Common choices: hornbeam, beech, lime, photinia. Cost: 200 to 500 pounds each.

4. Create Gaps for Views

A garden with no views feels claustrophobic. Create gaps in the boundary planting to frame views of the countryside, a church spire, or a distant tree. This makes the garden feel connected to the wider landscape.

5. Use Climbers on Pergolas and Arches

Pergolas and arches with climbers provide privacy at eye level without blocking light. Use:

• Star jasmine
• Clematis
• Honeysuckle
• Climbing roses
• Wisteria

Privacy Solutions for Different Overlooking Problems

Overlooking from Ground-Floor Windows

If neighbours can see into your garden from ground-floor windows:

• Plant a 1.8 to 2m hedge along the boundary
• Use beech on chalk, hornbeam on clay
• Plant 60cm from the boundary to allow for growth

Overlooking from First-Floor Windows

If neighbours can see into your garden from first-floor windows:

• Plant pleached trees along the boundary (3 to 4m tall)
• Or plant a row of fastigiate trees (yew, hornbeam, beech)
• Use a pergola with climbers to screen seating areas

Overlooking from Properties on a Slope

If your garden is overlooked from properties on a slope above:

• Plant tall trees (4 to 6m) along the upper boundary
• Use a mix of evergreen and deciduous for year-round screening
• Consider a garden room or pavilion for private seating

Overlooking from a Path or Road

If your garden is overlooked from a path or road:

• Plant a 1.8m hedge along the front boundary
• Use a gate and arch with climbers
• Avoid low fences, which invite looking over

Privacy Planting for Chiltern Gardens

For chalky soils (High Wycombe, Amersham, Wendover)

• Beech, holds brown leaves in winter, loves chalk
• Yew, dense, formal, slow-growing
• Photinia, evergreen, red new growth
• Privet, fast-growing, semi-evergreen

For clay soils (Aylesbury, Bicester, Didcot)

• Hornbeam, similar to beech, tolerates clay
• Laurel, large leaves, fast-growing
• Hawthorn, native, wildlife-friendly

The Cost of Privacy Planting

Common Mistakes

• Planting leylandii. It grows too fast, causes neighbour disputes, and kills anything underneath.
• Building a wall over 2m. Needs planning permission and blocks light.
• Using the same height all around. Makes the garden feel closed in. Use a mix of heights.
• Not planting climbers. Pergolas and arches with climbers provide privacy at eye level without blocking light.
• Not considering neighbours. Tall hedges can cause disputes. Discuss before planting.

Frequently Asked Questions

How high can a hedge be?

There is no legal height limit for hedges. However, under the High Hedges Act 2003, a neighbour can complain about a hedge over 2m that blocks light. The council can order you to reduce the height.

What is the best plant for above-fence privacy?

Pleached trees. They have a clear stem of 1.5 to 2m and a flat panel of branches on top, screening above the fence without blocking light lower down.

Should I use a wall or a hedge for privacy?

A hedge is usually better. It filters wind rather than blocking it, supports wildlife, and does not require planning permission. A wall is needed only where space is very tight.

Get Help Designing for Privacy

If you want to design a garden for privacy in Oxfordshire, Buckinghamshire, Berkshire or Bedfordshire, send us a WhatsApp with photos and we will aim to respond within 12 to 36 hours, Monday to Sunday.

Further Reading

• Best plants for privacy
• Best hedging plants for privacy
• Our fencing service

Sources and citations

This article draws on the following sources. Specific claims are cited inline where relevant.

1. CGM field records (2025-07. Site observations from gardens across Oxfordshire, Buckinghamshire, Berkshire and Bedfordshire.
2. Royal Horticultural Society (2024). RHS Gardening Advice and Plant Finder. Available at rhs.org.uk.
3. Met Office (2024). Regional climate averages, South East England. Available at metoffice.gov.uk.
4. British Geological Survey (2024). Soil parent material data for the Chilterns and Thames Valley. Available at bgs.ac.uk.