What is our process?Quotes and Pricing

We have obtained Trustmark, a quality that is authorised by the government. Additionally, The Federation of Master Builders has certified us as Master Builders. This means that in order to keep our illustrious status, we must adhere to a stringent Code of Conduct. We have received numerous accolades for our company, including Best Domestic Building Company and Most Client-Focused Domestic Building Company.

We take great pleasure in our honesty and integrity. We have procedures we adhere to in order to provide the most competitive pricing and the greatest results.

In order to better understand your needs, we will first need you to fill out a questionnaire. This also gives a budget estimate. We do this to ensure that your expectations are acceptable given the typical cost of the project you are thinking about.

Once we have gotten the knowledge we need. We’ll arrange a survey to determine your needs. This enables us to comprehend precise dimensions and space.

Following the completion of the survey, we will then get started on your estimate. We use a pricing system that offers us the most up-to-date prices on the day.

We will begin working on your estimate after the survey is finished. We employ a pricing system that provides us with the current day’s most accurate prices. Within four weeks after the date of your survey, we hope to have your quote in hand.

Quality FirstPricing breakdown

We work with you to add our expert advice on creating useable space to suit your needs and style of living.

Here are some ROM Costs (Rough Order of Magnitude):


Architectural Design Package £800 – £2,500

Structural Design Package £1000 – £2,000

Building Control £800 – £1,500

Interior Design £500 – £2,000

Main Areas:

Single Storey Extension £50,000 – £90,000

Double Storey Extension £135,000 – £185,000

Loft Conversion £50,000

Loft Conversion with Dormer £75,000

Open Plan Works £10,000

Kitchen Refurbishment £25,000

Kitchen/Diner Renovation £35,000 – £55,000

Bathroom Refurbishment £8,000 – £12,000

Ensuite Creation £8,000 – £12,000

WC under the stairs £4,000 – £8,000

Garage Conversion £35,000 – £45,000

Full house Renovation 3 bed £200,000+

Full house Renovation 4 bed £300,000+

Full house Renovation 5 bed plus £400,000+

Build Garage £35,000 – £50,000

Build Annex £150,000

New Build £200,000 – £300,000


JAS, Building services, quality first

Contact Us

We would love to hear from you.

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Our Office

The Quadrant, 2440/2430,
Almondsbury BS32 4AQ

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