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How to Choose the Right Lawn Mower for Your Garden Size

Choosing the right lawn mower can make maintaining your garden faster, easier and more enjoyable. Select a machine that is too small and mowing may take much longer than necessary. Choose one that is too large and it could be difficult to manoeuvre, store and transport.


Lawn size is one of the most important considerations, but you should also think about terrain, access, power source and how you want the finished lawn to look.


Based in Ampfield near Romsey, Hampshire Garden Machinery helps homeowners, gardeners and professional landscapers find suitable lawn mowers for gardens of every size.


Cordless 56V Pro X self-propelled lawn mower on green grass in a sunny park, with trees blurred in the background.

Start by Measuring Your Lawn

Before comparing lawn mowers, estimate the area of grass you need to cut.

For a simple rectangular lawn, multiply its length by its width to calculate the approximate area in square metres. If your garden contains several sections, measure each one separately and add the results together.


Irregular lawns do not need to be measured perfectly. A reasonable estimate will usually be enough to identify the most suitable mower category.


As a general guide:

Approximate lawn size

Mower types to consider

Up to 250m²

Compact electric, cordless or push mower

250–750m²

Cordless, self-propelled or petrol mower

750–2,000m²

Wide-cut self-propelled mower, robotic mower or compact ride-on

More than 2,000m²

Ride-on mower or garden tractor

These figures are only a starting point. Slopes, obstacles, gateways and the time you want to spend mowing can all influence your final choice.


Lawn Mowers for Small Gardens

For lawns up to approximately 250m², a lightweight and manoeuvrable mower is usually the most practical option.


Corded electric lawn mowers can suit small gardens with convenient access to an outdoor power supply. They are generally easy to start and require less routine maintenance than petrol machines. However, you will need to manage the power cable carefully while mowing.


A cordless lawn mower offers greater freedom of movement. Modern battery-powered machines can provide enough running time for many small and medium-sized gardens, without the fuel storage or starting requirements associated with petrol engines.


When choosing a mower for a small lawn, look for:


  • A compact cutting width

  • Low overall weight

  • Easy height adjustment

  • Folding handles

  • Convenient storage

  • A grass box suitable for the lawn size


A large mower may appear to save time, but it can be awkward to turn around flowerbeds, trees and narrow pathways.


Lawn Mowers for Medium-Sized Gardens

Gardens between approximately 250m² and 750m² often benefit from a mower with a wider cutting deck and increased power.


A larger cordless mower may be suitable if its battery capacity can cover the entire lawn. Check the manufacturer’s recommended mowing area and consider whether the battery can also be used with other tools from the same range.


Petrol lawn mowers remain a practical option for many medium-sized gardens, particularly where there is no convenient electricity supply. Self-propelled models use power to drive the wheels, reducing the amount of physical effort required.


Important features for a medium-sized garden include:


  • A wider cutting width

  • Self-propelled drive

  • Adjustable cutting heights

  • A larger grass collector

  • Mulching capability

  • Reliable battery capacity or engine power


If your lawn contains slopes or uneven ground, a self-propelled mower can make regular maintenance significantly easier.


Lawn Mowers for Large Gardens

For lawns between approximately 750m² and 2,000m², mowing time and operator comfort become increasingly important.


A wide-cut, self-propelled petrol or battery mower may still be appropriate, especially if the garden contains tight corners or several separate lawn areas. For more open spaces, a compact ride-on mower can reduce the time and effort involved.


A robotic lawn mower may also be worth considering. Once correctly installed and programmed, it can maintain the lawn automatically by cutting small amounts of grass regularly.


For a large garden, consider:


  • Cutting width and mowing speed

  • Fuel capacity or battery runtime

  • Comfort and ease of operation

  • Lawn access and gateway widths

  • Collection, mulching or side-discharge options

  • Storage space

  • Servicing and maintenance requirements


Hampshire Garden Machinery can help compare walk-behind, robotic and ride-on options based on the layout of your property.


Ride-On Mowers for Very Large Lawns

A ride-on mower or garden tractor is often the most efficient choice for lawns over approximately 2,000m².


These machines can cover large areas considerably faster than a walk-behind mower. Depending on the model, they may collect grass, mulch clippings or discharge them back onto the lawn.


Before purchasing a ride-on mower, check:


  • The overall size of the mowing area

  • Slopes and ground conditions

  • Narrow gates and access routes

  • Trees, beds and other obstacles

  • Turning space

  • Grass collection requirements

  • Available storage

  • Ongoing servicing needs


The largest machine is not always the best choice. A garden with numerous obstacles may require a smaller, more manoeuvrable ride-on mower, while a wide and open lawn may benefit from a larger cutting deck.


Petrol, Battery or Electric?

Once you have identified the appropriate mower size, consider how you want it to be powered.


Corded electric lawn mowers

Corded mowers are generally best suited to small gardens. They offer straightforward operation but require access to electricity and careful cable management.


Cordless lawn mowers

Battery mowers provide quiet operation, simple starting and freedom from power cables. They are available for a growing range of lawn sizes, but battery capacity and charging time must be considered.


Petrol lawn mowers

Petrol models provide power and flexibility, making them suitable for medium and large gardens. They require fuel, regular maintenance and suitable winter storage.


Robotic lawn mowers

Robot mowers are designed to maintain the lawn automatically. Suitability depends on the total area, slope, garden layout, connectivity and installation requirements.


Hampshire Garden Machinery can explain the advantages of each option and help you select a machine that suits your garden and preferred way of working.


Consider the Shape and Condition of Your Garden

Two lawns of exactly the same size may require very different mowers.


A flat, rectangular lawn is relatively simple to maintain. A garden with steep slopes, narrow passages, trees and curved borders requires more manoeuvrability.


Consider whether your lawn is:


  • Flat, sloping or uneven

  • Divided into separate areas

  • Surrounded by narrow access points

  • Frequently wet or soft

  • Filled with trees and obstacles

  • Intended to have a formal striped finish


For sloping gardens, the machine’s weight, traction and drive system are especially important. For formal lawns, you may want a mower fitted with a rear roller.


Collection, Mulching or Discharge?

Think about what you want to happen to the grass clippings.

A collection mower leaves a tidy finish but requires the grass box to be emptied.

Mulching mowers cut clippings finely and return them to the lawn, where they can break down naturally. Side-discharge machines can be useful for longer grass and larger areas where collection is not essential.

Some lawn mowers offer more than one cutting method, providing flexibility as lawn conditions change throughout the year.


Get Expert Lawn Mower Advice in Hampshire

Buying a lawn mower online based on specifications alone can make it difficult to judge its size, weight and ease of use.


Hampshire Garden Machinery offers expert advice to customers looking for lawn mowers in Romsey, Winchester, Southampton and the surrounding Hampshire area. The team can help you compare machines based on:


  • Lawn size and layout

  • Cutting width

  • Power source

  • Terrain and slopes

  • Storage space

  • Budget

  • Maintenance requirements


Hampshire Garden Machinery also provides servicing and repairs, helping customers keep their equipment working reliably after purchase.


Find the Right Lawn Mower for Your Garden

The right lawn mower should match both the size of your lawn and the way you want to maintain it.


Compact electric and cordless machines are often ideal for smaller gardens. Medium-sized lawns may benefit from cordless, petrol or self-propelled mowers, while large gardens can be easier to manage with robotic or ride-on equipment.


For friendly, knowledgeable advice, visit Hampshire Garden Machinery, Green Ridge Farm, Green Lane, Ampfield, Romsey, Hampshire, SO51 9BN, or call 01794 830 793.

Speak to the team today and find a lawn mower that makes caring for your Hampshire garden simpler.

 
 
 

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