A basement conversion company like UHM Basements has the skills, experience and training required to complete a basement renovation, refurbishment and construction.
Our builders and contractors at UHM Basements Limited have been trained and qualified to renovate your underground space into a fully functioning basement or cellar room.
Whether you already have an existing cellar or are looking to start from scratch and install a completely new one, the team of professional builders and general contractors at UHM Basements in London have you covered. We are happy to take on any job no matter how big or small.
If you are thinking about a basement renovation but haven’t yet found the right London basement company to do it, then you don’t need to look any further. Our team are happy to answer any calls or enquiries. Contact us today on [phone] or click the button below and complete the call-back form.

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Our Services

We pride in the timely and quality services we provide.

First Class Customer Service
Highly Experienced Staff
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Renovate Your London Basement with UHM Basements

A new basement is the perfect solution to avoiding diminishing building space and fast-rising land prices. It makes perfect economical space and can add an interesting feature to a modern day home, building or commercial property.
You may be thinking that adding a basement or cellar into your property is an expensive and pointless investment, however, you will most certainly be able to utilise the space as if it were a regular room in your house or property.

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What People Say

Popular Questions, you may be interested in

What can a new basement be used for ?

Generally anything within reason. Common uses includes, a child's playroom, Cinema room, wine Cellar, Bar, Kitchen, Games room.

What is the average cost of a basement conversion ?

anything upwards £2,500 m2 is a general guide , ultimately it depends on the size of the project.

What is the duration of a basement excavation ?

It could take anything from a few months to over a year, it can vary greatly depending on the size of the project and whether it is just a basement excavation with structural support and waterproofing or if additional works are wanted for example fit out and decoration.

How long are quotes valid for ?

90 days from date of issue

How much head heigh will my basement have ?

The minimum head height would be 2.4 metres but can go up to 3.6 metres.

Do I need an existing cellar for a basement conversion ?

No existing cellar or basement is required.

Do I need planning permission ?

Yes planning permission is needed to excavate a basement, Planning permission usually takes two months to obtain.

Can I have more than one level in my basement ?

No, only one level is allowed in London.

What is the design and build process ?

1. Survey & quote. 2. Contract and deposit. 3. Design and planning with an architect. 4. Party wall agreement. 5. The build. 6. Completion and sign off.

Can I stay in my property while work is carried out ?

Yes, some of our clients have stayed in the property while others decided to vacate and rent another property during the works.

Do I need a party wall agreement ?

Yes, each neighbour will need to be informed of the proposed works. A party wall notice form will need to be issued to the neighbours two full months before commencement of any works.

What areas of London do you cover ?

we cover all London postcodes.

Do you work with developers ?

Yes we do carry our basement excavations for developers.

What Guarantees and warranties will I get with my new basement ?

you will get a 25 year waterproofing guarantee, 15 year structural warranty and the option of an insurance backed guarantee.

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UHM Basements Limited


0208 516 7751

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Feel free to contact us if you need any assistance, any help or another question.


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