Extension Builder in Hackney
1405 vetted extension builders covering Hackney. Post your job free and compare responses directly - no obligation.
Sponsored
Fancy a proper look at what's possible?
WestBridge Renovations shares real project photos, service pages and pricing guidance on their site — a good starting point before you get quotes.
Explore their services →
A free business directory, plus free ads
Adsquare lists your business in its free UK directory and lets you post free classified ads — tools, materials, vans, trade vacancies and more.
Browse Adsquare →
Building and renovation work in Hackney
Hackney, part of the London Borough of Hackney, is known for one of London's finest Georgian planned estates at De Beauvoir, Victorian commercial buildings along Broadway Market, and Georgian and early Victorian squares at Clapton. Its proximity to the Hackney Empire and London Fields and good transport links via Hackney Central station, served by London Overground continue to make it a popular place for homeowners to invest in renovation and extension projects rather than move - keeping steady demand for reliable, quality extension building work in the area.
With the De Beauvoir, Broadway Market and Clapton Square conservation areas - 35 in total across the borough covering parts of Hackney, planning and conservation requirements are a real factor in extension building work here - work that would be straightforward elsewhere can need extra care, matching materials, or formal planning consent locally. Homeowners in Hackney increasingly look for tradespeople who understand that local context, rather than a generic, one-size-fits-all quote.
Buckleys Building & Decorating
Builder, Plasterer, Painter & Decorator, Extension Builder
EC2A 4NE
Get in touchMuro Construct
Builder, Plasterer, Painter & Decorator, Tiler, Extension Builder
N1 5TG
Get in touchRenaissance Construction And Real Estate Management
Builder, Extension Builder
EC1V 1AZ
Get in touchRockwallwater
Builder, Plumber, Painter & Decorator, Extension Builder, Gas Engineer
N1 7GU
Get in touchLema-Lux Construction Et Renovation
Builder, Plumber, Roofer, Painter & Decorator, Extension Builder, Gas Engineer
N1 7GU
Get in touchSemico Plumbers
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
EC2A 4NE
Get in touchNovaneon Fire & Electrical Compliance Services
Builder, Electrician, Extension Builder
EC2A 4NE
Get in touchShillwell Facilities Management
Builder, Electrician, Plumber, Extension Builder, Gas Engineer, Window & Door Installer
N1 7GU
Get in touchZeb Building & Co
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
EC2A 4NA
Get in touchG&E Construction
Builder, Electrician, Plumber, Painter & Decorator, Extension Builder, Gas Engineer
N1 7GU
Get in touchPrimeline Maintenance
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
N1 7GU
Get in touchProfix Plumbing And Bathrooms
Builder, Plumber, Extension Builder, Gas Engineer
EC2A 4NE
Get in touchD And G Plumbing And Maintenance
Builder, Plumber, Extension Builder, Gas Engineer
EC2A 4NA
Get in touchDanders Construction
Builder, Plumber, Plasterer, Extension Builder, Gas Engineer
N1 7GU
Get in touchAaa Gas Engineers And Extensions
Builder, Plumber, Roofer, Extension Builder, Gas Engineer
N1 7GU
Get in touchTabash Homes Uk
Builder, Plumber, Painter & Decorator, Extension Builder, Gas Engineer
N1 5TN
Get in touchAhm Construction
Builder, Plasterer, Painter & Decorator, Tiler, Extension Builder
EC2A 4NE
Get in touchDelta Construction And Home Maintenance
Builder, Roofer, Painter & Decorator, Extension Builder
N1 7GU
Get in touchMaxx Construction
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
EC2A 4NA
Get in touch5 Nines Construction
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
N1 7GU
Get in touchPrime Mk Property
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
EC2A 4NE
Get in touchRadici Construction North East
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
EC2A 4NE
Get in touchCosta Pan Developments
Builder, Plasterer, Painter & Decorator, Extension Builder
EC2A 4NE
Get in touchAzbi Smartbuild
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
EC2A 4NE
Get in touchTbs Construction Services
Builder, Plasterer, Painter & Decorator, Extension Builder
N1 7GU
Get in touchPremier Design And Build (London)
Builder, Roofer, Painter & Decorator, Extension Builder
N1 7GU
Get in touchLuca’s Landscaping
Builder, Painter & Decorator, Extension Builder, Groundworker
N1 7GU
Get in touchWhite Cedar Plumbing&Construction
Builder, Electrician, Plumber, Extension Builder, Gas Engineer
N1 7GU
Get in touchArchite London Architecture And Design Consultancy Trading
Builder, Extension Builder
EC2A 4NE
Get in touchBusy Bee Builder Uk
Builder, Plasterer, Painter & Decorator, Tiler, Extension Builder
N1 7GU
Get in touchSiri Construction
Builder, Electrician, Plumber, Roofer, Extension Builder, Gas Engineer
EC2A 4NE
Get in touchWhat to expect from a extension builder in Hackney
Extensions typically need either planning permission or a Lawful Development Certificate confirming permitted development rights, plus building control approval throughout.
As with any trade, it's worth asking to see proof of insurance and relevant qualifications before work starts, checking recent examples of similar jobs, and getting the scope of work agreed in writing - see our guide on questions to ask before hiring below.
Typical project costs in Hackney
How to Choose a Builder in Hackney
A practical checklist for picking a trustworthy builder if you live in Hackney.
House Extension Cost in Hackney: 2026 Price Guide
Single and double-storey extension costs in Hackney, and the local factors that move the price.
Renovating a Period Property in Hackney: What to Know
What makes renovating an older Hackney property different, from foundations to conservation area rules.
Kitchen Extension Planning Permission in Hackney
Do you need planning permission for a kitchen extension in Hackney? Permitted development limits and local conservation area rules explained.
Loft Conversion & Dormer Planning Permission in Hackney
Do you need planning permission for a loft conversion or dormer in Hackney? Roof volume limits, party walls and conservation area rules explained.
Hiring safely in Hackney
A few things worth checking before you agree to any quote:
Frequently asked questions
How much does a extension builder cost in Hackney?
A single-storey extension typically costs from around £1,800 per m² for a standard finish, before architect fees, planning application fees, and building control sign-off - which usually add another £3,000-£8,000. Get a ballpark for your own project with our free extension cost calculator.
How do I know a extension builder in Hackney is trustworthy?
Every builder on builderfinder.uk is manually checked before their profile goes live - we match their photo ID to their face, verify their UK proof of address, and check their trades and insurance. You can also see their reviews and completed jobs on their profile, and look for the Verified badge, or a Companies House Verified badge if they're a limited company.
Do I need planning permission for extension building work in Hackney?
It depends on the specific job, but it's a real question to ask locally: the De Beauvoir, Broadway Market and Clapton Square conservation areas - 35 in total across the borough cover parts of Hackney, and work that would be permitted development elsewhere can need formal planning consent here, or need to match existing materials and style. Always check with the London Borough of Hackney's planning department, or ask your builder to confirm before work starts.
Are you a extension builder in Hackney?
Claim your listing above if you're already on this page, or join free to get discovered here too.
Join as a builder — it's freeLooking to hire instead?
Post your job free and we'll notify matching builders as soon as they join.
Post your job — it's freeOther trades in Hackney