The price you sign is the price you pay.
A design-and-build company in Leeds. Founded by a joiner, we have built extensions, loft conversions and renovations with our own team since 2009.
Book a free site visit
Call 0113 496 0577
“They gave us a price and stuck to it, and Priya's Friday emails meant we never once had to chase.”
Sarah and James, Chapel Allerton
Rear extension, Chapel Allerton. 14 weeks.
We design it, then we build it.
Extensions, single and double-storey. Loft conversions: dormer, hip-to-gable and mansard. Kitchen and bathroom renovations. Whole-house refurbishments of period homes. Structural alterations: knock-throughs and steel beams. Garden rooms and home offices.
From your call to the guarantee.
01
Site visit
02
Quote
03
Drawings
04
The build
05
Handover
Within 7 days of your call
A free site visit
We come to the house, look at the job and hear what you want from it.
7 days
Within 14 days
A fixed, itemised quote, in writing
Sign it, and that is the price you pay, unless you change the plan.
14 days
Before we start
Drawings, planning and building regulations
Priya Nair, our architectural technologist, draws the job and handles planning permission and building regulations.
In-house
Every Friday, in writing
One site manager, first day to last
The same person runs your job from start to finish, and you get a written progress update every Friday.
Fridays
At 3 months, and for 10 years
Handover, then a snagging visit
We come back three months after handover, and structural work carries a 10-year insurance-backed guarantee.
10 years
Recent work, and how long it took.
Every job below is drawn on the same scale: twenty weeks, one mark a week.
Chapel Allerton
Rear extension
A 6-metre kitchen-diner with a steel frame, roof lights and sliding doors onto the garden.
14 weeks
Roundhay
Dormer loft conversion
Two bedrooms and a shower room in a 1930s semi.
9 weeks
“The loft was finished a week early and the site was swept every single night.”
Daniel, Roundhay
Headingley
Victorian terrace refurbishment
Rewired and replumbed, with a new kitchen, and the sash windows and cornicing restored.
20 weeks
Every job starts the same way: a free site visit.
Book a free site visit
Twenty-two people, all on our own payroll.
Dan Whitaker, a joiner by trade, founded Calderstone, and Priya Nair, an architectural technologist, runs drawings and planning. The only people on site who are not ours are the electricians and plasterers, and we have worked with them for ten years.
Dan Whitaker
Founder, and a joiner by trade
Priya Nair
Architectural technologist, drawings and planning
Structural work, guaranteed for ten years
The guarantee is insurance-backed, and we are fully insured, with £5 million public liability cover.
Across West and North Yorkshire.
These are the places we work. Not sure whether you are in one of them? Give us a ring.
Leeds
Harrogate
Wetherby
Otley
Ilkley
Horsforth
Garforth
Our office
Unit 4, Sheepscar Court, Leeds LS7 2BB
Office hours
Monday to Friday
8am–5.30pm
Saturday
9am–12pm
Book a free site visit.
Tell us what you are planning and where the house is. We will come and see it within seven days of your call.
Rather talk it through?
0113 496 0577
WhatsApp 07700 900577
hello@calderstonebuilders.co.uk
Book my free site visit