Business Details
7 Years
experience
Expert Construction Services in London
City Builders Y K has been delivering superior quality construction services to Londoners for over a decade. As specialists in new builds, complete property remodelling, basement conversions, house extensions, loft conversions, and full property refurbishments, we combine decades of industry experience with high-quality materials to exceed client expectations. Our team of certified professionals adheres to the highest standards of workmanship while maintaining membership with the Federation of Master Builders and compliance with TrustMark quality standards.We prioritise environmental responsibility through registration with the Environment Agency and Considerate Constructors Scheme, ensuring every project balances technical excellence with community care. Founded on principles of reliability and client satisfaction, we provide free, non-obligation quotes and customised solutions for both domestic and commercial clients.
Services
New Builds
Basement Conversions
House Extensions
Loft Conversions
Property Refurbishments
Kitchen Renovations
Bathroom Installations
Electrical Works
Heating Systems
Details
- Year established: 2019
Highlights and features
- We have over a decade of experience in London's construction industry.
- Our team holds accreditations from leading industry bodies.
- We use premium materials for all construction and refurbishment projects.
- Our professionals provide fully customised domestic and commercial solutions.
- We maintain strict environmental and community responsibility standards.
Associations and certifications
- Federation of Master Builders
- TrustMark
- Environment Agency
- Considerate Constructors Scheme
What people say
Professional, responsible and respectful
Highly recommended
Better standard than expected
Knowledgeable builders
Excellent house construction
Services
New Builds
City Builders Y K specialises in constructing new properties and completely re-modelling existing ones. Our expertise includes energy-efficient designs, modern infrastructure integration, and cost-effective long-term solutions. With extensive experience in structural innovation, we deliver bespoke projects that reflect clients' visions while adhering to the highest construction standards.
Basement Conversions
We transform basements into functional spaces with expert structural support and waterproofing solutions. Our services include reinforced underpinning, drainage systems, and membrane tanking. With skilled professionals handling excavation and temporary support works, we ensure safe, durable conversions that maximise property value and living space.
House Extensions
From kitchen enlargements to additional rooms, we provide comprehensive house extension services. Our team manages projects from initial planning to completion, offering tailored solutions for expanding living spaces. With expertise in various extension types, we ensure seamless integration with existing structures while maintaining aesthetic and functional coherence.
Loft Conversions
We convert loft spaces into valuable living areas, including multi-storey additions. Our services enhance property value through efficient space utilisation while maintaining structural integrity. From dormer designs to complex conversions, we deliver functional bedrooms, offices, or recreational spaces tailored to client requirements.
Property Refurbishments
Our full property refurbishments cover plastering, joinery, and decoration using premium materials. With decades of combined experience, we modernise homes while preserving architectural character. These upgrades improve both living comfort and property value, ensuring every space meets contemporary standards of functionality and aesthetics.
People
Jakob Khubani
Founder and Director
With over a decade of leadership in London's construction sector, Jakob Khubani established City Builders Y K to deliver quality-driven projects. His strategic oversight ensures adherence to industry standards while maintaining client-focused service delivery across residential and commercial developments.
Lukasz Slonka
Business and Construction Manager
Lukasz Slonka oversees project execution and operational efficiency. His technical expertise in construction management ensures timely delivery of complex builds while maintaining compliance with safety regulations and quality benchmarks across all City Builders Y K projects.
Ireneusz Kuzia
Site Manager
As Site Manager, Ireneusz Kuzia supervises on-site operations with 15+ years of construction experience. He ensures precise implementation of designs, coordinates skilled teams, and maintains strict quality control throughout the building process for residential and commercial developments.
Wojciech Daniel
Site Manager
Wojciech Daniel manages project timelines and resource allocation across multiple sites. His practical knowledge of structural systems and building regulations guarantees efficient execution of extensions, conversions, and new builds to exacting client specifications.
Questions
What construction services does City Builders YK offer?
We specialise in new builds, basement conversions, house extensions, loft conversions, property refurbishments, and full electrical/plumbing installations across London.
Are your builders accredited by industry bodies?
Yes, we're members of the Federation of Master Builders, TrustMark certified, and registered with the Environment Agency and Considerate Constructors Scheme.
How long does a typical house extension take?
Project duration varies by complexity but averages 8-12 weeks for standard extensions, including planning and completion phases with minimal disruption.
Do you handle both residential and commercial projects?
Yes, our team manages both domestic and commercial developments, providing tailored solutions for property owners and business clients across London.
Can you assist with planning permissions?
We guide clients through the planning process and collaborate with specialists to obtain necessary approvals for extensions and new builds.
What guarantees do you offer?
All projects include Electrical Certificates, Gas Safe Certificates for plumbing works, and comprehensive quality assurance for materials and workmanship.
