How Much Does a Complete Garden Transformation Cost? | Kirman Design
How much does a complete garden transformation cost? Learn what affects the budget, from groundworks and paving to planting, lighting and outdoor kitchens.
How Much Does a Complete Garden Transformation Cost?
A complete garden transformation can range from a relatively straightforward redesign to a major landscape construction project involving extensive groundworks, drainage, retaining walls, paving, lighting, specimen trees, planting and outdoor living features.
That means there is no single figure that applies to every garden.
At Kirman Design, we design and build complete garden transformations across North West England, and the final investment depends on the size of the garden, the condition of the site, the complexity of the design and the level of finish required.
The most useful way to think about cost is not simply:
“How much does a garden cost?”
but:
“What does this particular garden need in order to achieve the result I want?”
What Is a Complete Garden Transformation?
A complete garden transformation usually means redesigning and rebuilding most or all of the existing garden.
It may include:
Garden design
Site clearance
Excavation
Groundworks
Drainage
New levels
Retaining walls
Paving
Garden steps
Screening
Pergolas
Outdoor kitchens
Fire pits
Water features
Garden lighting
Specimen trees
Hedging
Planting
Lawns
Final detailing
Some projects retain selected mature trees or existing structures, while others begin almost entirely from scratch.
Why Do Complete Garden Transformations Vary So Much in Cost?
The biggest reason is that no two sites are the same.
A flat, easily accessible garden with good drainage is fundamentally different from a sloping garden with poor access, heavy clay, retaining walls and significant excavation.
The design brief also has a major influence.
A project based around:
Terrace
Lawn
Planting
Trees
will be very different from one including:
Outdoor kitchen
Pergola
Fire pit
Bespoke water
Extensive lighting
Large specimen trees
Architectural walling
The level of specification matters just as much as the size of the garden.
Garden Size
Garden size affects cost, but not always in a simple way.
A larger garden does not necessarily need every square metre intensively landscaped.
Investment can be concentrated around:
Main terrace
Outdoor living
Key sightlines
Main planting areas
More distant parts of a large garden may be treated with:
Lawn
Meadow
Woodland
Orchard
Strategic tree planting
This can create a substantial landscape without hard-landscaping the whole site.
Small Gardens Can Still Be Expensive
Compact gardens can have a high cost per square metre.
They may still require:
Drainage
Walls
Lighting
Screening
Bespoke paving
Restricted access
Precision detailing
A small courtyard can therefore involve a significant amount of skilled work.
Site Clearance
The first stage may involve removing the existing garden.
This can include:
Old patios
Concrete
Walls
Decking
Sheds
Turf
Planting
Trees
Unwanted soil
Removal and disposal can represent a meaningful part of the project, especially where access is restricted.
Excavation and Groundworks
Groundworks are one of the largest hidden components of many garden transformations.
They may include:
Excavation
Soil movement
Formation levels
Sub-bases
Foundations
Drainage trenches
Retaining work
Much of this disappears beneath the finished landscape, but it determines how well the garden performs.
Access
Access can significantly influence cost.
Good access may allow:
Excavators
Dumpers
Mechanical handling
Efficient deliveries
Restricted access may require materials and spoil to be moved by hand or with smaller machinery.
This increases labour and programme.
Sloping Gardens
Sloping gardens can require additional investment in:
Excavation
Retaining walls
Steps
Drainage
Soil movement
Structural foundations
However, a good design can often work with the slope rather than flattening everything.
This can reduce unnecessary construction while creating a stronger garden.
Retaining Walls
Retaining walls can be substantial construction elements.
Their cost may include:
Excavation
Foundations
Structural reinforcement
Drainage
Backfill
Waterproofing
Facing material
Copings
The visible finish is only one part of the work.
Drainage
Drainage should be allowed for where it is required.
A complete garden transformation may need:
Land drains
French drains
Linear channels
Threshold drainage
Retaining wall drainage
Regrading
Correct drainage protects the investment made in paving, planting and walls.
Clay Soil
Clay soil does not automatically make a project expensive.
However, if it is heavily compacted or waterlogged, additional work may be required.
This can include:
Decompaction
Soil improvement
Drainage
Additional excavation
Suitable planting
This is particularly common in some new-build gardens.
Garden Levels
Changing levels can add significant complexity.
The project may need:
Retaining walls
Steps
Raised terraces
Sunken seating
Drainage
Structural work
Levels should therefore be resolved during design rather than improvised during construction.
Paving
Paving is often one of the most visible elements, but the slab itself is only part of the cost.
Installation may include:
Excavation
Sub-base
Bedding
Drainage
Cutting
Laying
Jointing
Edging
Large-format porcelain and detailed natural stone layouts can require particularly high levels of precision.
Porcelain Paving
Porcelain is widely used in high-end garden transformations.
Its cost is affected by:
Slab size
Cutting
Bullnosing
Mitred edges
Steps
Drainage
Layout complexity
A simple rectangular terrace is very different from a highly detailed architectural scheme.
Natural Stone
Natural stone can create a softer and more timeless character.
Its cost depends on:
Stone type
Finish
Thickness
Format
Installation method
Granite, limestone and sandstone can all sit at different price points.
Garden Walls
Walls may be used for:
Retaining
Raised beds
Seating
Screening
Feature walls
They can significantly affect the project budget because they require foundations, structure and finishing.
Garden Steps
Steps can be deceptively expensive because they often involve:
Structural work
Detailed cutting
Bullnosing
Lighting
Retaining elements
Complex setting out
Wide architectural steps can become major features in the garden.
Screening and Privacy
Privacy is often an important part of a complete transformation.
Possible solutions include:
Pleached trees
Specimen trees
Mature hedging
Bespoke timber screens
Pergolas
Architectural planting
The right solution depends on the sightline rather than simply the boundary height.
Pergolas
Pergolas range from simple timber structures to high-specification aluminium systems.
Features may include:
Motorised louvres
Screens
Heating
Lighting
Integrated drainage
A sophisticated pergola can represent a major element of the overall investment.
Outdoor Kitchens
Outdoor kitchens can vary enormously.
The project may include:
Cabinets
Worktops
Grill
Pizza oven
Refrigeration
Sink
Bar
Electrical work
Water
Gas where applicable
Paving
Pergola
The surrounding outdoor living space should be budgeted alongside the kitchen itself.
Fire Pits
A fire pit may be relatively simple, or it may form part of a substantial seating area.
The complete cost may include:
Fire feature
Gas supply
Paving
Built-in seating
Walls
Lighting
Planting
Water Features
Water features range from small self-contained units to complex bespoke installations.
Possible costs include:
Excavation
Structure
Waterproofing
Pumps
Filtration
Electrical work
Finishes
Lighting
The technical design can be as important as the visual design.
Garden Lighting
A professional lighting scheme may include:
Fittings
Cable
Ducting
Drivers
Controls
Installation
Commissioning
Planning lighting during the main build is usually more efficient than retrofitting it.
Specimen Trees
Large specimen trees can provide immediate maturity and privacy.
The total cost may include:
Tree
Specialist transport
Machinery
Crane
Soil preparation
Anchoring
Irrigation
Labour
Very large trees can therefore become substantial items in the budget.
Hedging
Hedging costs depend on:
Species
Height
Length
Plant form
Access
Ground preparation
Mature or instant hedging costs more but provides a faster result.
Planting
Planting should be treated as a core part of the project rather than the last thing to be funded.
It provides:
Structure
Softness
Privacy
Seasonal change
Movement
Biodiversity
An expensive hard landscape can still feel unfinished if the planting budget is cut too aggressively.
Lawn
Lawns are relatively simple compared with many construction elements, but good preparation still matters.
Costs can include:
Soil preparation
Levelling
Turf or seed
Drainage where required
Poor preparation can create long-term maintenance problems.
Garden Design Fees
Professional garden design should be included within the overall project budget.
Depending on the scope, this may cover:
Site analysis
Concept design
Masterplan
Levels
Material specification
Planting design
Lighting design
Construction details
Design helps make major decisions before substantial money is committed to construction.
Project Management
Complex projects may also require project management.
This can include:
Programme coordination
Site meetings
Supplier coordination
Design reviews
Managing changes
Quality control
The larger the project, the more important coordination can become.
VAT
When discussing a project budget, always check whether figures include VAT.
A price excluding VAT can appear significantly lower than the final amount payable.
Should You Use a Cost Per Square Metre?
For a complete garden transformation, a single cost per square metre is often misleading.
Different parts of the garden may contain completely different levels of construction.
For example:
Lawn
and
Porcelain paving over reinforced structure with drainage and lighting
cannot sensibly be treated as equivalent square metres.
A detailed design and specification are much more useful.
What Does a £50,000 Garden Transformation Look Like?
There is no standard £50,000 garden.
Depending on the site, this level of investment might fund a relatively focused transformation involving some combination of:
Main terrace
Planting
Lawn
Trees
Limited structural work
On a difficult site, however, much of the same budget might be absorbed by:
Excavation
Drainage
Retaining walls
Access
The site determines what the money can achieve.
What Does a £100,000 Garden Transformation Look Like?
At this level, there may be greater scope to combine several high-quality elements such as:
More extensive paving
Structural landscaping
Specimen trees
Garden lighting
Larger planting schemes
Outdoor living features
However, a technically difficult garden may still require a large proportion of that budget for groundwork and infrastructure.
What Does a £150,000+ Garden Transformation Look Like?
More substantial budgets can provide scope for combinations of:
Significant groundworks
High-quality paving
Bespoke walling
Large specimen trees
Extensive lighting
Outdoor kitchens
Pergolas
Water features
Detailed planting
Again, garden size and site complexity remain critical.
What Does a £250,000+ Garden Transformation Look Like?
At higher investment levels, the project may begin to operate more like a major residential landscape project.
It might involve:
Large-scale excavation
Multiple terraces
Complex retaining structures
Bespoke outdoor living
Pools or substantial water
Extensive lighting
Mature trees
Large planting schemes
Specialist fabrication
The detail and coordination required also increase.
Why Can Two £100,000 Gardens Look Completely Different?
Because the money may be going into completely different things.
One garden may spend heavily on:
Structural work
Drainage
Difficult access
Another may have straightforward ground conditions and invest more visibly in:
Planting
Lighting
Outdoor kitchen
Trees
This is why budget examples should be treated as illustrations rather than promises.
High-End Garden Transformation Costs
High-end landscaping involves more than expensive products.
The additional investment may be associated with:
Professional design
Bespoke detailing
Specialist materials
Precision construction
Mature planting
Specialist trades
Project coordination
The quality is often visible in the small details.
Why Craftsmanship Matters
The same material can produce very different results depending on workmanship.
Quality is influenced by:
Setting out
Cuts
Joint consistency
Falls
Edges
Wall finishes
Copings
Drainage details
Material transitions
These details require time and skill.
Where Should You Spend the Budget?
It is often sensible to prioritise:
Drainage
Groundworks
Levels
Foundations
Retaining structures
Main terrace
Trees
Planting
These elements are difficult or expensive to change later.
Where Can You Save?
Depending on the design, savings may be possible through:
Reducing paving area
Simplifying walling
Using gravel on secondary routes
Choosing younger plants in less important areas
Phasing optional features
The aim should be to preserve the overall design quality.
Avoid Cutting the Planting Too Far
One of the easiest ways to reduce a quote is to cut planting.
It is also one of the easiest ways to make the finished garden feel incomplete.
If necessary, it may be better to reduce hard landscaping and retain the planting that gives the garden its character.
Can the Project Be Phased?
Yes.
For larger transformations, phased delivery can be sensible.
However, the whole garden should ideally be designed first.
This ensures that:
Levels
Drainage
Services
Routes
Trees
Future features
are coordinated from the beginning.
Example Phasing
A project might be delivered as:
Phase One: Groundworks, drainage and primary structure
Phase Two: Main terrace, walls and steps
Phase Three: Trees and planting
Phase Four: Lighting, pergola, outdoor kitchen or water
The exact sequence depends on the project.
Build in a Contingency
Landscape construction involves working with existing ground that is not always fully visible beforehand.
Unexpected issues can include:
Buried concrete
Unknown foundations
Poor subsoil
Hidden services
Drainage problems
An appropriate contingency can help manage these uncertainties.
How Much Contingency Should You Allow?
There is no single percentage suitable for every project.
The amount should reflect:
Site age
Ground uncertainty
Existing structures
Amount of excavation
Complexity
The more unknowns, the greater the need for resilience in the budget.
How to Set a Realistic Budget
A sensible process is:
Decide what you want the garden to achieve.
Identify the essential work.
Understand the site's technical challenges.
Decide which features matter most.
Establish a realistic investment range.
Allow for professional design.
Include an appropriate contingency.
Prioritise difficult-to-change infrastructure.
Value engineer intelligently if necessary.
Phase optional elements if appropriate.
Should You Tell Your Garden Designer Your Budget?
Yes.
A realistic budget range allows the designer to create a scheme that is appropriate to the level of investment.
Without that information, there is a greater risk of designing something that cannot realistically be delivered.
Complete Garden Transformation vs Garden Renovation
A garden renovation usually retains more of the existing landscape.
A complete transformation tends to involve a more fundamental redesign and reconstruction.
The latter will generally require a larger budget because more of the garden is being changed.
Complete Garden Transformation vs Garden Remodelling
Remodelling may involve reconfiguring major parts of the garden while retaining some existing elements.
A complete transformation typically goes further and may involve a substantially new landscape.
The distinction is useful when discussing both scope and budget.
Is a Complete Garden Transformation Worth It?
For clients planning to remain in their property and use the garden extensively, a complete transformation can fundamentally change the way the property is experienced.
It can create:
Outdoor living
Privacy
Better views
More usable levels
Improved drainage
Mature planting
Evening use
The value lies in the whole landscape rather than one individual feature.
How Long Does a Complete Garden Transformation Take?
Timescales depend on:
Garden size
Access
Groundworks
Weather
Complexity
Specialist lead times
Planting
A substantial garden transformation should be treated as a construction project rather than a quick makeover.
Complete Garden Transformations Across North West England
Kirman Design provides complete garden design and landscape construction throughout Lancashire, Cheshire, Greater Manchester, Merseyside, the Ribble Valley and across North West England.
We work on bespoke residential gardens where design, construction, planting and outdoor living are developed as one coordinated project.
So, How Much Does a Complete Garden Transformation Cost?
The answer is:
It depends on what the site needs and what you want the garden to become.
A realistic budget should account for both the visible features and the invisible infrastructure beneath them.
Good groundworks.
Drainage.
Levels.
Structure.
Paving.
Planting.
Trees.
Lighting.
And the details that bring everything together.
At Kirman Design, we design and build complete garden transformations around the property, site, client and available investment.
If you are planning a major garden transformation in North West England, contact Kirman Design to discuss your project, priorities and proposed budget.
Frequently Asked Questions About Complete Garden Transformation Costs
How much does a complete garden transformation cost?
There is no standard figure. The cost depends on garden size, access, ground conditions, drainage, levels, materials, planting and the features included.
What is included in a complete garden transformation?
It can include design, clearance, groundworks, drainage, paving, walls, steps, screening, lighting, trees, planting and outdoor living features.
Is a complete garden transformation more expensive than garden renovation?
Usually, because more of the existing landscape is being replaced or reconfigured.
Why are sloping gardens more expensive to transform?
They often require additional excavation, retaining walls, steps, foundations and drainage.
Does garden design need to be included in the budget?
For substantial projects, yes. Professional design helps coordinate the whole transformation before construction begins.
Should I budget separately for planting?
Planting should be treated as a core part of the project budget, not an optional finishing extra.
Can a complete garden transformation be phased?
Yes. The whole garden can be designed first and then constructed in carefully planned phases.
How much contingency should I allow?
The appropriate contingency depends on site complexity and unknown conditions. Older or heavily altered gardens may carry greater uncertainty.
Is £100,000 enough for a complete garden transformation?
It may be for some gardens, but not others. The result depends on size, access, structural work, specification and the features included.
Can Kirman Design provide a quotation for a complete garden transformation?
Yes. Kirman Design can develop the garden design and provide a construction proposal based on the actual site, scope and specification.