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£43/hr
£272/day
Fedora and sons Ltd
MIHAI Martolea
Member since September 2026
Fedora and sons Ltd is a trusted extension builder serving customers in E12 and the surrounding area. Contact us to today to get a competitive quot...
"Side return extension" - REDBRIDGE, job posted 08/11/25
£37/hr
£235/day
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...
"Granny annexe" - REDBRIDGE, job posted 01/10/25
Major Building Contractors Ltd
Relax... you have found a reliable extension builder in E12. Major Building Contractors Ltd is a friendly and reliable company based in E12 who con...
"Outbuilding, how much does it cost?" - E7, job posted 07/11/24
Sz Builders
Need to find an Extension Builder near you for all your extension buildering work?
Sz Builders provides a local, trusted extension builderi...
"I need to repair bays as its crumbling I don't know how to describe if you come and see what I mean. Avtar" - E12, job posted 24/08/24
Render
Experienced extension builder ready to quote for your work. Render is the best extension builder in E12. No obligation free quotes and many happy c...
"Loft conversion" - MANOR PARK, job posted 26/06/24
CC&D BUILDING LTD
Catalin CIOBANU
Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in E12. No obligation free quotes and m...
"Loft conversion" - E13, job posted 16/02/24
M Saleem Builders
Relax... you have found a reliable extension builder in E12. M Saleem Builders is a friendly and reliable company based in E12 who consider no job ...
"Loft conversion" - E13, job posted 01/12/23
KS Plastering SERVICE
Sampson Essien
Thistle Bonding Coat: Ideal for use on low-suction backgrounds such as brick or concrete blocks, this product provided a solid foundation, Thi...
"Basement Conversion Quote: Terraced house with a 25m2 basement(2rooms,existing head Ht 2.2m). 2.4m required Ht. Part One: To lower the floor and possibly concrete support walls instead of underpinning.Possible front stair access. Part Two: existing dining room + side alley way 35m2, to dig and..." - E7, job posted 18/09/23
G HAMID CONSTRUCTION LTD
Relax... you have found a reliable extension builder in E12. G HAMID CONSTRUCTION LTD is a friendly and reliable company based in E12 who consider ...
Kaseno Group
Kaseno Group are here to help customers who need an Extension Builder in E12. We offer a competitive rate to complete all your extension buildering...
M & S Builders
M & S Builders is a trusted extension builder serving customers in E12 and the surrounding area. Contact us to today to get a competitive quote for...
Jhon
Experienced extension builder ready to quote for your work. Jhon is the best extension builder in E12. No obligation free quotes and many happy cus...
ASV Development Ltd
ASV Development Ltd are here to help customers who need an Extension Builder in E12. We offer a competitive rate to complete all your extension bui...
PJ Lane
Experienced extension builder ready to quote for your work. PJ Lane is the best extension builder in E12. No obligation free quotes and many happy ...
Albion Ra Ltd
Albion RA offers complete construction solutions for residential clients across Kent\nand the surrounding areas.\n\nOur specialist team has many ye...
Gill Builders
Relax... you have found a reliable extension builder in E12. Gill Builders is a friendly and reliable company based in E12 who consider no job as t...
M&J Builders
M&J Builders is a trusted extension builder serving customers in E12 and the surrounding area. Contact us to today to get a competitive quote for e...
IP Constructions
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£47/hr
£296/day
Plumberrubs
Ruby Wengi
Need to find an Extension Builder near you for all your extension buildering work?
Plumberrubs provides a local, trusted extension builderi...
£40/hr
£254/day
P & I Construction
P & I Construction is an established extension buildering business in E12. We come highly recommended and provide competitive quotes for your work....
Quickly find an Extension Builder in E12
Use these steps to find Extension Builders in E12 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in E12. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local E12 Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
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.
Build a timber frame extension - £26,168
Garden office - £10,168
Granny annexe - £87,168
Build a flat roof extension - £22,168
Convert a Garage - £16,168
Hip to gable loft conversion - £42,168
Convert a bungalow loft - £29,168
Build a dormer loft conversion - £42,168
Build a swimming pool - £81,168
Build a Mansard loft conversion - £52,168
Concrete foundations - £6,418
Underpin a building - £17,668
Two storey extension - £88,252
Convert a basement - £39,390
Side return extension - £43,390
Loft conversion - £35,325
Garage - £18,668
Single storey extension - £58,360
Outbuilding - £10,168
Install an RSJ - £2,368
Build a kitchen extension - £42,168
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