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Quick Answer
For most neglected gardens, 500 to 1,500 pounds of focused work will add 5,000 to 15,000 pounds to the sale price. The key is to focus on kerb appeal, decluttering, and making the garden look easy to maintain. Do not invest in expensive landscaping or specimen plants. Buyers want a clean canvas, not a finished garden they did not choose.
Why the Garden Matters When Selling
According to studies by estate agents, a well-presented garden can add 5 to 20 percent to the value of a property. Even more importantly, a tidy garden makes the property sell faster. Buyers form an emotional first impression within 8 seconds of arriving, and the garden is part of that.
The reverse is also true. An overgrown garden suggests the property has been neglected in other ways. Buyers worry about damp, structural issues, and pests. A tidy garden reassures them that the property has been looked after.
What Buyers Actually Look At
Kerb appeal from the front
The front garden is the first impression. Buyers will drive past, park outside, and walk up to the front door. They will judge the property before they even step inside.
Sense of space from the back
Buyers want to feel the back garden is bigger than they expected. Cluttered, overgrown gardens feel smaller than they are. Clean, open gardens feel larger.
Maintenance burden
Buyers want a garden they can imagine looking after easily. A complicated garden with high hedges, lots of beds and awkward levels suggests work. A simple lawn with neat edges suggests easy weekends.
Privacy
Buyers want to feel the garden is private from neighbours and passers by. Overgrown hedges that need reducing, or gaps in screening, both raise concerns.
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The High-Impact, Low-Cost Jobs
1. Cut the lawn and edges
Cut the lawn the day before a viewing if possible. Freshly cut grass looks and smells good. Edge the lawn with a half-moon edger for a crisp line. This single job transforms the look of any garden.
Cost: 0 if you do it yourself, 30 to 60 if we do it.
2. Cut back overgrowth
Anything overhanging paths, patios or the lawn needs cutting back. Buyers walking around the garden should not have to push past branches. Cut shrubs back to a tidy shape, not necessarily to the ground.
Cost: 0 if you do it yourself, 100 to 300 if we do it.
3. Clear all rubbish
Old pots, broken furniture, piles of bricks, dead plants in containers. Get rid of all of it. A skip or a trip to the tip costs 50 to 200 and makes the garden look twice as big.
4. Weed paths and patios
weeds in paving look terrible. Either pull them out by hand, treat with weedkiller, or pressure wash the whole surface. Pressure washing is more work but the result is dramatically better.
Cost: 0 if you do it yourself, 150 to 350 if we pressure wash for you.
5. Clean the patio and decking
Pressure wash patios and clean decking. The transformation is dramatic. A green slimy patio looks neglected, a clean one looks inviting.
6. Tidy the sheds and outbuildings
Clear out and tidy any sheds. If the shed is rotten or beyond repair, consider removing it. An empty shed is better than a full one. A clean empty shed suggests storage space. A full dirty shed suggests there is no storage.
7. Trim hedges
Cut all hedges to a neat shape. Reduce hedges that are too tall. A neat hedge frames the garden. A scruffy hedge dominates it.
Cost: 100 to 400 depending on hedge size. See our hedge cutting service.
8. Paint fences and structures
A coat of fence paint transforms tired timber. Dark colours like dark brown or black make the garden look bigger by receding into the background. Bright colours make the garden look smaller.
9. Plant a few cheap pots of colour
Buy 4 or 5 pots of ready-grown bedding plants from a garden centre. Place them by the back door and on the patio. This adds instant colour and life. Cost 50 to 100.
10. Clean windows and gutters
Not strictly garden work, but buyers look at the outside of the house from the garden. Clean windows and clear gutters make a difference.
What NOT to Do Before Selling
Do not install expensive landscaping
Buyers want to put their own stamp on a garden. A 10,000 pound new patio or designer planting scheme is unlikely to add 10,000 pounds to the sale price. Worse, buyers may rip it out and start again. Save the money.
Do not plant specimen trees and shrubs
Mature specimen plants are expensive and the buyer may not like them. Better to leave the garden as a clean canvas.
Do not over-personalise
Quirky garden art, brightly coloured fences and themed planting divide opinion. Keep the garden neutral so the widest range of buyers can imagine themselves there.
Do not do major tree work without permission
If you are in a conservation area or have trees with a Tree Preservation Order, you need council permission for any work. Doing it without permission can lead to fines and may delay the sale.
Do not leave garden ornaments
Gnomes, wind chimes, garden signs. Pack them away. They distract buyers and make the garden feel cluttered.
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Cost Versus Value
| Job | Cost | Added value | ROI |
|---|---|---|---|
| Cut lawn and edges | 30 to 60 | 500 to 1,500 | Excellent |
| Clear rubbish | 50 to 200 | 1,000 to 2,500 | Excellent |
| Cut back overgrowth | 100 to 300 | 1,500 to 3,000 | Excellent |
| Pressure wash patio | 150 to 350 | 1,000 to 2,500 | Very good |
| Trim hedges | 100 to 400 | 500 to 1,500 | Very good |
| Paint fences | 100 to 300 | 500 to 1,000 | Good |
| Pots of colour | 50 to 100 | 500 to 1,000 | Excellent |
| New patio or decking | 2,000 to 8,000 | 0 to 3,000 | Poor |
| Mature specimen plants | 500 to 2,000 | 0 to 500 | Poor |
Timing
The best time to do the garden work is 2 to 3 weeks before going on the market. This gives the lawn time to recover from cutting, the hedges time to look settled, and any new plants time to settle in. Doing the work too early means it needs doing again before the first viewing.
If you are selling in winter, focus on structure rather than colour. Tidy hedges, clean hard surfaces, and add a few evergreen pots by the door.
If you are selling in spring or summer, the lawn and any flowering plants will be at their best. Cut the lawn the day before each viewing.
The Photography Question
Estate agent photographs are taken once, when the property goes on the market. They are what buyers see first on Rightmove and Zoopla. The garden needs to look its best for the photography session, not just for viewings.
Ask the photographer to take wide shots from the corners of the garden, and detail shots of any attractive features. Make sure the sun is in the right direction. Most photographers prefer to shoot gardens in the morning or late afternoon.
Specific Issues That Put Buyers Off
Subsidence from trees
Large trees close to the house can cause subsidence, particularly on clay soils. If there are signs of cracking in the walls, get a structural survey before going on the market. Buyers will ask.
Asbestos in old garages and sheds
Asbestos cement roofs are common on pre-1980 outbuildings. Buyers will spot them. Either remove the asbestos before going on the market (300 to 800) or be prepared to negotiate on price.
Boundaries and access issues
Make sure you know where the boundaries are and that fences are in good repair. Disputed boundaries can delay or kill a sale. If access to the back garden is only through the house, mention this in the particulars so buyers are not surprised.
Final Thoughts
Selling a house with a neglected garden is not a disaster, but it does require focused work. The key is to spend money on the things that buyers see first: the front garden, the lawn, the patio, the hedges. Skip the expensive landscaping and specimen plants.
For most properties, 500 to 1,500 pounds of focused garden work will add several thousand to the sale price and speed up the sale. It is one of the best returns on investment in property preparation.
If you are selling and need help getting the garden ready, give us a call. We do one-off pre-sale clearances and tidy-ups across Oxfordshire, Buckinghamshire and Berkshire.
Further Reading
- How to restore an overgrown garden
- How much does garden clearance cost?
- Garden tidy-up checklist before summer
In mature and established gardens, always assess the existing ecosystem before making changes. Small adjustments to timing and technique can preserve decades of growth and wildlife value.
Put this advice into practice
Use the relevant CGM tool or follow a related guide, then send us a few photos if you would like a tailored plan.
Sources and citations
This article draws on the following sources. Specific claims are cited inline where relevant.
- CGM field records (2024-01. Site observations from gardens across Oxfordshire, Buckinghamshire, Berkshire and Bedfordshire.
- Royal Horticultural Society (2024). RHS Gardening Advice and Plant Finder. Available at rhs.org.uk.
- Met Office (2024). Regional climate averages, South East England. Available at metoffice.gov.uk.
- British Geological Survey (2024). Soil parent material data for the Chilterns and Thames Valley. Available at bgs.ac.uk.