Basement Conversions

Our expertise will allow us to bring your vision, ideas and requirements to reality. From the very first stages of designing and planning your basement conversion, through to the completion of the project several weeks later, our team will be there to project manage the entire process and ensure everything remains as stress-free as possible for you.

We will be there to answer any questions you may have along the way, and will remain fully transparent throughout so that you are kept fully up-to-date with the progress of your fantastic new basement conversion.

An accurate answer largely depends on the size and complexity of your basement conversion project. During our initial discussions we will be able to provide an estimation of the expected construction time, and we always seek ways to reduce our onsite time wherever possible provided there is no loss of quality in the final result.

As an example, a small and very simple basement conversion may reach completion within as little as 4 weeks.

A standard basement conversion is more likely to take anywhere from 12 - 24 weeks, dependant on the size of the area and the extent of the works that need to be carried out.

We aim to provide exceptionally good value for money, and strive to offer the highest quality basement conversion services. However, it is difficult to provide a ballpark figure on costs because each conversion project will vary in size and application.

If you have a budget in mind, then we are able to survey the potential possibilities that we may be able to construct within that priceframe.

There are many variable involved when creating a personalised quote for your bespoke basement conversion, ranging from the amount of structural work that's required, access to the location, ground conditions, local authority charges, personalised specifications or modifications and much, much more.

It is a very complex question to answer and we regret that we can't be more specific. We do offer a free no obligation quote, so we would be more than happy for you to contact us to book an appointment where we can call in and discuss your requirements in more detail.

Whatever your budget and whatever your requirement, we thoroughly enjoy doing all that we can to make it happen.

Instead of using valuable land and garden space around your property, a basement conversion provides an entire new floor level of usable space that can consist of one, two or several room for a multitude of purposes. Examples include home office, home gym, home cinema, additional bedroom or granny annex, kitchen diner, lounge space, or even an indoor swimming pool or sauna. The choice is limitless.

The cost of moving can also stack up, and when you compare the alternative - which is converting existing space within your current property - it is often a far more feasible option.

Not only this, but a basement conversion is also very likely to add significant value to your property. It really is a fantastic home improvement project that creates additional usable space and proves a lucrative financial investment.

Basement conversions aren't just for large growing families, either. You may have dreamed of adding something luxurious to your property for years - perhaps a snooker room or bar area where you can entertain guests. This may be your opportunity to really put a stamp on the property you love, allowing you to enjoy it for many more years to come.

In the majority of cases a basement construction does not need planning permission. This is because a basement conversion doesn't usually change the external appearance of the building. However, this will vary depending upon your local authority.

If you live within a conservation area, you may find that you need to negotiate with your conservation officer to ensure the proposed plans are within current guidelines.

If you are planning on creating a self-contained dwelling, then you will need permission.

Planning permission is also likely to be required if additional visible windows and doors are to be added.

We will be there every step of the way to guide and advise you on any potential planning implications, and will highlight any areas that need addressing during our initial discussions.

We carry out basement conversions across Cardiff as well as the surrounding areas of South Wales.

The first few things to consider is whether the property is detached, semi-detached, terraced, an apartment, freehold, leasehold etc.

Then consider:

• Approximate size of the existing basement.

• The purpose of the basement conversion and what the current state is.

• Construction of the walls, floors and ceilings. (brick/stone/concrete?)

• Existing and proposed plumbing and electrical services.

• Current floor to ceiling height, and what you'd like it to be.

• Available access routes in and out of the property.

• History of the space in respect of any water penetration; is it damp, wet or in good condition?

Once you have considered these things, you will be well prepared during our initial discussions. It will allow us to accurately estimate a budget for the proposed basement conversion and equip you with any extra information that you should be aware of.

Absolutely! We can construct a new basement even if there isn't an existing one. This involves new construction below your property, ensuring all necessary checks and works for a safe build. While converting an existing basement is more straightforward, we can excavate through the ground floor if needed. Alternatively, we can dig down at the front or rear of your property, cutting through the foundation and underpinning the walls as we go. Contact us to discuss adding a basement room to your property in more detail.

Yes, RGB Construction are members of the Federation of Master Builders (FMB).

Yes, your basement conversion will come complete with a guarantee.