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Garage conversions are becoming a popular home improvement project, delivering more space at an affordable price. Possible to complete at the fraction of the cost of an extension, garage conversions provide an existing shell, ready to transform and refurbish.

Whilst the value of a conversion should outweigh the expenditure, there is a lot to think about whilst changing the interior and exterior of a garage. From planning permission and building regulations, to design plans and conversion fees, converting a garage can be a big project.

Working with specialist structural engineers, builders and contractors is recommended, helping to deliver a cost effective, fit for purpose and durable space. Here’s the type of services you can make use of through garage conversions Wirral and Liverpool at Peninsula Group. Everything from home office conversions to gyms can be planned for with our garage conversion specialists.

Should I Convert My Garage?

Converting an existing garage is a great way to increase square footage of a domestic property. It is a cost-effective project, providing an existing structure to work from. You can avoid time-consuming tasks linked to an extension, such as digging out new footings and reconfiguring the garden space.

Garage conversions tend to be a much quicker process, when compared with extensions, as an existing garage space will have some utilities in place. Most already have access to electricity, are structurally sound, and have access to the rest of the house.

An existing garage will also offer a functional and adaptable space, possible to convert into a utility room, somewhere for more storage space, or a home office. The design capabilities are endless, helping to add more value to most homes.

If you need more space and find that you rarely use your garage, a garage conversion is a beneficial and highly recommended option. Whilst it can be a big project, it is a worthwhile conversion to make.

How Much Does A Garage Conversion Cost?

The cost of a garage conversion will understandably vary all depending on the spec, the size, and the project plans. For example, it will cost more to convert a double garage than a single garage. It will also cost more to transform the space into a habitable area or for work purposes, over a storage-built setting.

Most garage conversions will cost £5,000+, yet this will depend on design specifications and the affordability of contractors. Some can reach £20,000 for a high-end conversion with plumbing and heating, new structures, and the latest technologies.

The majority of expenditure will be spent on structural reinforcements, planning permission, design fees, structural engineering fees, insulation, underfloor heating, and the appliances within your space.

Converting a garage is a customisable service, influencing the cost of a project. Costs for garage conversions Wirral and Liverpool can be accessed on 0151 244 7473.

Do Garage Conversions Need Planning Permission?

Most generic integral garage conversions will not require planning permission. Yet, if your home is a listed building, is situated in a National Park, or has planning conditions attached to its build, you will more than likely require the permission of your local authority.

Although planning permission is rarely needed through a garage conversion, applying for a Lawful Development Certificate (LDC) is recommended, for written consent that the project is and will remain as a permitted development.

If your garage is detached, you may require planning permission, along with applying for a change of use. This is usually the case where external works are completed to convert a garage into a habitable space.

Converting A Garage Into A Home Office

Home offices are one of the most sought-after projects through our garage conversions in Wirral and Liverpool. Existing garages offer practical space, close enough to the rest of the house, yet separated enough whilst working from home. Converting a garage into a home office will require planning, project management and accredited input.

Structural integrity

The safety and durability of existing garage structures must firstly be assessed. A structural engineer will work to evaluate the feasibility of the project and whether floors, ceilings or walls require additional support.


Whilst converting a garage, insulation must be considered, to reduce the risks of damp and to convert an energy efficient space.

Full rewire and replumb

Depending on existing electrics and plumbing, and on the scope of a garage conversion, a full rewire and replumb may be required, especially if the usability of a space is changing. Upgrades or replacements may instead be the case for certain appliances and specs.

Fire safety and damp-proofing

Health and safety are essential whilst converting a garage into a home office. Fire safety checks and full damp-proofing courses will be required, for a space to be habitable.

Interior design

The interior of a home office can then be considered, once the structure is sound and usable. Everything from paint and furniture to materials and accessories can be selected.

Building regulations

Garage conversions must follow building regulations. Final checks will make sure that spaces are fireproofed, that ventilation is safe, that soundproofing has been considered, and that electrics are safe and tested.


Is My Garage Suitable For A Conversion?

Whilst garage conversions are regularly recommended, it is important to make sure that your existing garage is a suitable space and structure for a conversion.

You should think about the cost of the entire project, and whether this will pay off in functionality, house value and quality. You should also weigh up the pros and cons of changing your garage, and whether it will be able to home your new setting.

For example, some spaces may be impractical for a home gym, whilst others will result in significant structural work and will rank as unaffordable. This is something to think about whilst planning your garage conversion.

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