Basement Excavation & Construction


Basement Excavation and Construction Contractors

McGrath Civils Ltd specialise in basements. We offer basement excavation and construction services to private individuals, home-builders and property developers across London, the Home Counties and the south of England.  We offer no obligation consultations to all our new basement clients, so contact our basement contractors today to discover how we can help you create a stunning new basement. 

We specialise in Basement Excavation & Construction 

If you are one of the many homeowners thinking about building a new basement to increase living space in your home, it's vital you instruct a reputable company that specialise in basement excavation and construction. McGrath Civils have over 25 years experience in the construction industry and are contacted by homeowners every month regarding building new basements.  

Or, you may be a developer or builder and require a specialist basement construction firm to help out on one of your projects, on a sub-contractor basis.  If so, we can help you. 

Our expert team of basement excavation and construction contractors have many years experience and would be happy to offer you a free consultation to discuss your project, look at your plans and offer a free and no obligation quote for the works. 

If you are thinking of building a basement and would like to discuss your project with us then please get in contact with us by calling 07717 014006 to speak with our MD Sean McGrath. Alternatively please email us details of your project, along with any plans and drawings you may have to info@mcgrathcivilsltd.co.uk.

The growing popularity of Basement Conversions

With house prices in many areas of the South of England at record levels, many homeowners are exploring the idea of building basements to increase valuable square footage and boost their property's value. Stamp duty land tax, estate agent fees and conveyancing fees means families are giving basement excavation and basement construction serious consideration. 

We have worked on lots of new basement projects over the past few years, recently working on basement excavation and construction projects in the Surrey Hills, Virginia Water, Barnet, Cambridge, HastingsOxford and Brighton, for clients adding valuable square footage to their properties and creating beautiful family spaces, including open plan kitchen diners, games rooms, cinema rooms and offices. 

Whether you are interested in building a very large new basement or a modest garden basement, we have the expertise to help you. 

You can see some of our recent work by clicking here

How we can help with your Basement Project 

Our specialist basement services include: 
  • Review of your plans and advice on build methodologies, costs and timelines
  • Excavation and site clearance (we can also demolish existing properties on the site, before starting excavation)
  • All aspects of piling, foundations and ground stabilisation 
  • Tunnelling for drainage systems, water, electricity and cabling
  • Waterproof basement construction
Every basement is different, with each project having its own challenges to overcome. This is why it is so important to instruct a basement contractor who has the necessary experience and knowledge to deliver a high standard of work. We are experts in basement construction and would be pleased to speak to you about how we can help.  

To discuss a new basement excavation and construction project, contact us today by phone or email for a free initial consultation. Our friendly basement contractors will discuss your project in detail, look at plans and site drawings and offer you a competitive and no obligation quote.  

Areas that our basement contractors cover 

Although our head office is based in West London, the majority of our construction projects are in London and the Home Counties and across the entire south of England. We also welcome enquiries from further afield and are able to work on projects across the UK.  

Our expert basement team have completed projects in London, Oxfordshire, Kent, East Sussex, Bedfordshire, Hertfordshire and Surrey.  We have recently completed basements in Oxford, Brighton, Cambridge, Barnet and Bedford. 

Contact us today to discuss how we can help you create a stunning new basement. 

Some recent Basement projects


If you are in the early stages of planning a new basement project, are currently speaking with architects, surveyors and project managers and you require the services of an expert basement contractor, McGrath Civils would be happy to speak to you on a no obligation basis. 

We offer free quotes on every new basement project and we are always happy to work on a collaborative basis with other construction professionals including architects, surveyors and project managers. 

To discuss your basement project, call us on 07717 014006 or email us details of your project to info@mcgrathcivilsltd.co.uk and a member of our basement construction team will be pleased to help you.  

Whether you are in Greater London, Surrey, Sussex, Hertfordshire, Oxfordshire and any of the Home Counties then we can help you. 

Depending on the scope of works required, we will even consider projects further afield in Bath, Bristol or the South Coast.



Why use McGrath Civils for your basement project? 

From our London base, our basement builders have over 25 years of experience in construction and are proud to consistently hand-over high quality basements, on time and on budget, to our clients. 

We take great pride in the standard of our basements, which is why we are instructed by private individuals, property developers and homebuilders time and time again.  We genuinely care about delivering a quality service for our clients, at competitive prices. 

Whether you are a private homeowner, a property developer or a project manager or QS working on behalf of a contractor and would like us to offer a no obligation quote on your current or future project, then please contact us today by calling 07717 014006 or by emailing us details of your project to info@mcgrathcivilsltd.co.uk

Our friendly basement contractors are available to speak to you today about your new basement project. 
Case Studies of our recent projects
We have worked on many residential, commercial and coastal defence projects for a wide range of clients. To discuss McGrath Civils Ltd assisting you on your project, please contact us today by phone, email or send us an enquiry using our online form
Share by: