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  • Neil Harrison

Making sure your new home extension is all you want it to be - without any cost surprises!

Updated: Jun 11, 2023

As the current COVID regulations ease, we at Mint Builders can report that the home extension and renovation project business is building momentum, with more and homeowners beginning to consider wide-ranging home improvements going on into the late Summer, Autumn and on into next year .

The always well-informed Real Homes team highlighted some telling facts and stats recently to assist, guide and inform home-owners on various aspects of planning a home extension or renovation project for 2022.

advice and guidance

As a long standing extension business, we at Mint are, of course, on hand to offer Cheltenham and Cotswolds homeowners all kinds of advice and guidance on their future home extension or renovation plans. Just let us know how we can help and what your plans might be. Our experience and keen pricing per sq metre costing means we can play a key part in bringing reality to all your thoughts, plans and ideas, and always aim to do so cost effectively.

With any home project, the right budget is, of course, more often than not, THE key factor for most. Real Homes report that for a home extension of modest quality payment might be around £1,500 to £1,900 per square metre. With extra quality features and size, this square metre price might move up to around £1,900 to £2,200. They also indicate a top end pricing up to around £2,200 to £2,400 per square metre.

rule of thumb

They go on to suggest that for an extension of say 4m x 5m, the build cost would be around £30,000, with mid-range extensions perhaps at around £35,000. A top costing extension structure is now moving on up to say £45,000. Professional fees could add some 10-15 per cent to these kind of ‘rule of thumb’ costings .

new dimension

Two storey extensions are for sure always in demand as they can really give a home a whole new dimension and atmosphere in terms of space and living convenience and add value too .Say the Real Homes team..... “As a rough idea, expect to pay per square metre for two-storey extension: £1,320 to £1,620 for basic quality; £1,620 to £1,860 for a 'good' quality finish; and £1,860 to £2,100 for an 'excellent' quality effect”

fitting cost

Their experts add that, as with a single storey extension, the cost of fitting out your two storey extension will depend on the rooms within it – for example, a living space or bedroom will certainly tend to be cheaper to furnish than say a new kitchen or bathroom.

no compromise

Adds the always well-informed Hugo Tugman, of Architect Your HomeAs a very rough rule of thumb, costs should be split into 50 per cent for construction and 50 per cent for the interior. If you do not want to compromise on the size of what you are building when extending a house, you may be able to make considerable savings on interior finishes.


It is, of course, always important to be clear and confident in terms of both the build of a home extension and, also, it’s equipping and finish. We, at Mint Builders always clarify all detail, covering all elements of any project planning, interior and exterior build, and also ides and advice on all aspects of equipping, fitting and finish. It is true for sure, that in many projects, there can be certain additional extension building costs to factor in, depending on the styling and setting circumstances of the overall planning of a home extension.

cost surprise

We, at Mint make sure we are always readily to hand to advise on all areas of your home extension project, so you that you never get a cost ‘surprise’ or disappointment and that your extension is always everything you expected it to be. With our long standing expertise, we will always strive to ensure your new extension really does deliver more space, convenience, enjoyment, atmosphere and ‘liveability’ to your home and also adds pressure extra market value too.

We at Mint Builders are, of course, here to help locally with all kinds of questions and ideas relating to the priority planning and organisation of your spacious well-planned new home extension or renovation for the Autumn and on into 2022. We have the expert contacts on hand to ensure your project gets sorted exactly as it should be...and at a price that works for you!

Feel free to request our project planning and quotation visit to refurbish or extend your home for more 'liveability' and increased future sales value in these vaccination focused Covid crisis times. Contact Mint Builders on 07734 211958 or email

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