How HaMuch saves you money
Post your job for free
We send your job to ALL High Barnet extension builders
Compare quotes
Available extension builders in High Barnet reply
Save Money
Select your affordable High Barnet extension builder
Post your job
Mandala Building Services
Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...
Rafix Building
Rafal Szczepanski
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
New Finishes
New Finishes is a trusted extension builder serving customers in High Barnet and the surrounding area. Contact us to today to get a competitive quo...
Pavillion Building Services
Relax... you have found a reliable extension builder in High Barnet. Pavillion Building Services is a friendly and reliable company based in High B...
Homeland Building Ltd
Homeland Building Ltd is a trusted extension builder serving customers in High Barnet and the surrounding area. Contact us to today to get a compet...
Wittick Building Ltd
Wittick Building Ltd is a trusted extension builder serving customers in High Barnet and the surrounding area. Contact us to today to get a competi...
Roni Lofts Conversions Ltd
Need an Extension Builder in High Barnet? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension builderin...
Odp Builders
Need an Extension Builder in High Barnet? Odp Builders has been helping local clients (5 mile radius) with their extension buildering jobs for many...
Homeworks Design & Build Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Flat roof extension cost in High Barnet
A flat roof extension ranges from the cheapest of £21,712 (J&K Expert Building Services based in EN5) to the dearest of £22,584 (Homeworks Design & Build Ltd based in N20), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in High Barnet by posting a job with HaMuch. We'll send it to extension builders in High Barnet.
- How much does a flat roof extension cost?
- Flat roof extension cost per m2
- Factors affecting the cost of flat roof extensions
- Advantages and disadvantages of flat roofs
- Which is cheaper: a flat roof or pitched roof?
- How long does a flat roof extension take?
- Do you need planning permission for a flat roof extension?
- How long does a flat roof last?
- Can you walk on a flat roof extension?
- What insulation do I need for a flat roof extension?
Get extension builder rates instantly
Estimates for common extension builder jobs in High Barnet;
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 - £17,759
Two storey extension - £88,389
Build a timber frame extension - £26,259
Build a swimming pool - £81,259
Single storey extension - £60,184
Side return extension - £44,416
Install an RSJ - £2,459
Outbuilding - £10,259
Build a Mansard loft conversion - £52,259
Loft conversion - £36,180
Build a kitchen extension - £42,259
Hip to gable loft conversion - £42,259
Granny annexe - £87,259
Garden office - £10,259
Convert a Garage - £16,259
Garage - £18,759
Build a flat roof extension - £22,259
Build a dormer loft conversion - £42,259
Concrete foundations - £6,509
Convert a bungalow loft - £29,259
Convert a basement - £40,416