Extension builders in London

2700 extension builders across London.

• N Nmk Construction Ltd London · Refurbishment · 1-9 employees

  NMK Construction Ltd delivers high-quality construction services across the UK, combining expert craftsmanship with reliability, safety, and client sa

• N Nmpm Ltd London · Main contractor · 10-49 employees

  NMPM Limited is an accredited, innovative building company based in Norfolk, offering a greener and cleaner approach to construction services for dome

• N NNODI Group London · Main contractor

  NNODI Group provides chartered quantity surveying, cost management, commercial management and project advisory services across the UK and internationa

• N No1 Construction Management Ltd London · Refurbishment · 1-9 employees

  Professional builders in London offering renovations, maintenance, and improvements. No1 Construction Management Ltd provides domestic building renova

• N Noble Design & Build Ltd London · Design & build · 1-9 employees

  Noble Design & Build LTD turns visions into reality with precision and dedication. Combining innovative techniques with expert craftsmanship, we deliv

• N Noble Design Build & Renovate Ltd Uxbridge · Design & build · 1-9 employees

  Noble Design Build & Renovate are your trusted "builder near me" for high-quality home transformations across Chigwell and greater London. Our experie

• N Nordic Group Partners Ltd New Malden · Refurbishment

  Premium residential renovation and construction in London. Full house renovations, extensions, loft conversions and bathroom refurbishments.

• N North Builders Ltd Edgware · Carpentry & joinery · 1-9 employees

  North Builders Ltd offers a comprehensive range of building services, specializing in carpentry, electrical work, plumbing, extensions, loft conversio

• N North London Brickworks Ltd Enfield · Bricklaying · 1-9 employees

  North London Brickworks is a specialist bricklaying company with extensive experience in London. They undertake new builds, lofts, extensions, drivewa

• N North London Joinery Services Ltd Enfield · Carpentry & joinery

  Owner-led joinery, fitted furniture, kitchens, loft conversions, and home renovations across London. Reliable craftsmanship, durable results, and free

• N North Star Building Solutions Ltd Enfield · Refurbishment · 1-9 employees

  North Star Building Solutions offers premium design & build services for renovations, extensions, and loft conversions across London. They combine exc

• N North West London Builders Watford · Extensions

  NWLB Limited offers domestic extensions, loft conversions, and renovations in North West London. Established in 2003, they guarantee the best price.

• N NOVA Design & Build London London · Design & build

  NOVA Design & Build offers expert refurbishments and extensions in London, delivering high-quality craftsmanship for residential projects.

• N Novo Construction Solutions Ltd London · Refurbishment · 1-9 employees

  Novo Construction Solutions Ltd is a building construction company in West London and Guildford, specializing in new construction and the transportati

• N Novus Construction Ltd London · Refurbishment · 1-9 employees

  High-end residential refurbishments, extensions and new builds across London and the Home Counties, plus specialist carpentry and fit-out for main con

• N Novus Projects Ltd London · Swimming pools

  Premium Construction Consultancy London, Novus Projects Ltd. Swimming pools, glass roofs, staircases & luxury fit-out. Complete discretion.

• N Now First Ltd London · Extensions

  Now First Ltd are Structural Engineers based in North London, providing services and advice for all scales of projects, from multi-million pound proje

• N Nph Installations Ltd South Ruislip · Glazing

  NPH Installations Ltd are structural glass extension specialists, offering frameless glass windows, glass roofs, and more. Contact us today.

• N Nsn Corporation Ltd London · Security systems

  NSN Corporation offers managed staffing solutions including Concierge, Security, Dual Management, Recruitment, Handyman, and Cleaning services. Establ

• N Nsv Homes Ltd Dagenham · House builder · 1-9 employees

  NSV Homes Ltd builds house extensions, new builds, loft conversions and renovations in Dagenham and East London. Direct-to-manufacturer supply chain,

• N Numa Lofts & Extensions Ltd. Ilford · Refurbishment · 1-9 employees

  NUMA Lofts & Extensions offers comprehensive home renovation solutions, specializing in loft conversions and extensions. They aim to transform homes w

• N Nurvgroup London · Design & build

  Nurvgroup specialises in commercial new builds and bespoke business interiors in Central and Greater London, transforming residential spaces with inno

• N NV Builders and Decorators Greenford · Painting & decorating

  NV Builders and Decorators Ltd is a family-run construction and refurbishment specialist in London, offering a decade of experience in high-standard b

• N Nv&B Construction Ltd London · Main contractor

  NVB Construction delivers high-quality residential and commercial construction projects, including new builds, refurbishments, fit-outs, and structura

• N Nvs Design And Build Ltd Hayes · Design & build · 1-9 employees

  Builders in London providing extensions, loft conversions, renovations and building services. NVS Design and Build delivers quality workmanship.

• N NW Cleaning and Maintenance Ltd London · Refurbishment

  NW Cleaning & Maintenance Ltd provides expert cleaning and maintenance services in London. Specializing in residential and commercial properties, we e

• O O & K Property Works Ltd London · Design & build · 1-9 employees

  London design & build specialists since 2007. Extensions, lofts, renovations, new builds, plus MCS-certified heat pumps and solar PV. Fixed quotes.

• O O'Carroll Housebuild Ltd London · House builder · 1-9 employees

  O'Carroll Housebuild Ltd specialises in comprehensive property development, from renovation of existing buildings to new property builds. They manage

• O O&E Construction Ltd South Croydon · Bricklaying

  Trusted local builders in South Croydon for brickwork, house extensions, loft conversions, structural repairs and refurbishments. Clear quotes, no hid

• O Oa Design & Build Ltd London · Design & build

  Premium extensions, renovations, and new builds across Bristol, Birmingham and the wider region. Fixed price contracts, clear programmes, and honest d

• O Oak Leaf Building Projects Ltd London · Refurbishment · 1-9 employees

  Oak Leaf Building Projects delivers high-end residential refurbishment, structural works and extensions across London, scoped in writing and priced li

• O Oakbuild Ltd London · Main contractor

  Oakbuild Ltd is a trusted Ontario construction company specializing in commercial and residential construction and high-quality renovations built on c

• O Oakfield Builders Ltd Surrey · Main contractor · 1-9 employees

  Oakfield Builders Ltd undertake all types of domestic construction, from small extensions to new builds, in and around the Surrey area.

• O Oakfield Contractors And Decorators Ltd Croydon · Main contractor

  Oakfield Contractors & Decorators Ltd offers comprehensive building services in Croydon and surrounding areas. Specialising in property refurbishment,

• O Oakhill Construction Ltd London · Refurbishment · 1-9 employees

  Oakhill Construction Ltd is a London-based construction company with over 20 years of experience in residential and commercial properties. Specialisin

• O Oaklex Ltd London · Refurbishment · 1-9 employees

  Oaklex is a family-run business specialising in high-end residential construction in prime London locations. We deliver tailored solutions and stunnin

• O Oakley Home Improvements Ltd Ashford · Kitchen fitting

  Kitchen and bathroom designers, loft extensions, and home improvement specialists in Staines, Kingston, Middlesex, and Surrey. Award-winning family co

• O Oaklodge Solutions Ltd Middlesex London · Carpentry & joinery

  Oaklodge Building Limited, established in 1997, offers quality carpentry and building services for new builds, renovations, and refurbishments. They f

• O Obe Building Ltd London · Extensions · 1-9 employees

  OBE Building delivers high-quality home extensions, loft conversions, refurbishments, structural steel and commercial fit-outs with expert project man

• O Obelisk London London · Refurbishment

  Obelisk London Limited is a construction company offering expert contracting services in London, specializing in internal renovations, refurbishments,

• O Octagon Impact Ltd Harrow · Kitchen fitting

  Professional builders in Harrow offering kitchen, bathroom, and decorating services. We transform high-end homes with a personal touch, ensuring custo

• O ODC Glass London · Glazing · 50-249 employees

  ODC Glass specialises in high-quality aluminium bifold and sliding glass doors, windows, roof lights and glazing systems for residential and commercia

• O OFFSITE BASES LIMITED Kingston Upon Thames · Piling · 1-9 employees

  Offsite Bases offers a speedy and sustainable replacement for concrete foundations with innovative Ring Beams and Helical Piles, reducing construction

• O Oggeretti Ltd London · Loft conversions · 1-9 employees

  South London construction company recognised for fostering innovation and embracing emerging technologies. Undertakes small to large complex residenti

• O Oggy Builder Ltd London · Kitchen fitting · 1-9 employees

  Oggy Builders delivers reliable building and renovation services, including kitchens, bathrooms, extensions, and landscaping. Trusted craftsmanship wi

• O Ogival Ltd London · Refurbishment

  Ogival offers professional property modifications and alterations, including refurbishments, basements, extensions, and loft conversions. With a desig

• O Ohmega Construction Abbots Langley · Refurbishment

  Ohmega Construction: Your trusted partner in building better homes. Specialising in kitchens, refurbishments, and extensions, we bring your ideas to l

• O Oldfield Construction (London) Ltd Ruislip · Main contractor · 1-9 employees

  Oldfield Construction Limited offers home improvements in Ruislip. Qualified builders with 51+ years of experience, delivering durability and reliabil

• O Olympus Property Group Ltd London · House builder · 1-9 employees

  Olympus Property Group offers expert residential construction and surveying services in Hampshire, including new builds, renovations, loft conversions

• O Omega + Group Ltd London · Main contractor · 1-9 employees

  Omega Group is a leading construction and MEP contractor based in West London, delivering high-value projects across residential, commercial, and mixe