How HaMuch saves you money
Post your job for free
We send your job to ALL Olympic Park extension builders
Compare quotes
Available extension builders in Olympic Park reply
Save Money
Select your affordable Olympic Park extension builder
Post your job
SDS Constructions
Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
From £9,880
Can design and Construction
Erald Kanani
Member since August 2025
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Major Building Contractors Ltd
Relax... you have found a reliable extension builder in Olympic Park. Major Building Contractors Ltd is a friendly and reliable company based in Ol...
Decorating Building Service
Decorating Building Service are here to help customers who need an Extension Builder in Olympic Park. We offer a competitive rate to complete all y...
Sz Builders
Need to find an Extension Builder near you for all your extension buildering work?
Sz Builders provides a local, trusted extension builderi...
Render
Experienced extension builder ready to quote for your work. Render is the best extension builder in Olympic Park. No obligation free quotes and man...
From £10,176
Fedora and sons Ltd
MIHAI Martolea
Member since September 2026
Fedora and sons Ltd is a trusted extension builder serving customers in Olympic Park and the surrounding area. Contact us to today to get a competi...
Gems Building & Maintenance Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Sevcan Construction
Relax... you have found a reliable extension builder in Olympic Park. Sevcan Construction is a friendly and reliable company based in Olympic Park ...
Kunshi Services UK Ltd
Kunshi Services UK Ltd is a trusted extension builder serving customers in Olympic Park and the surrounding area. Contact us to today to get a comp...
Garden Office Cost in Olympic Park
Garden offices range from the cheapest of £9,880 (Can design and Construction based in Ig11) to the dearest of £10,712 (Render based in IG1), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Olympic Park by posting a job with HaMuch. We'll send it to extension builders in Olympic Park.
- How much does a garden office cost?
- Types of garden office building
- How long does it take to build a garden office?
- Do you need foundations for a garden office?
- Can I run a business from a garden office?
- Is a garden office tax deductible?
- Does a garden office add value to your home?
- Do you need planning permission for a garden office?
- Are garden offices warm in winter?
- Can I live in a garden office?
- Are garden offices worth it?
Get extension builder rates instantly
Estimates for common extension builder jobs in Olympic Park;
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.
Underpin a building - £17,717
Two storey extension - £88,325
Build a timber frame extension - £26,217
Build a swimming pool - £81,217
Single storey extension - £59,336
Side return extension - £43,939
Install an RSJ - £2,417
Outbuilding - £10,217
Build a Mansard loft conversion - £52,217
Loft conversion - £35,783
Build a kitchen extension - £42,217
Hip to gable loft conversion - £42,217
Granny annexe - £87,217
Garden office - £10,217
Convert a Garage - £16,217
Garage - £18,717
Build a flat roof extension - £22,217
Build a dormer loft conversion - £42,217
Concrete foundations - £6,467
Convert a bungalow loft - £29,217
Convert a basement - £39,939