Bespoke home extensions & loft conversions
11+ Years Experience
Backed by two decades of technical expertise.
Vetted Subcontractors
Partnered exclusively with certified, insured trade specialists.
Strict Oversight
Rigorous site supervision, daily checklists, and quality audits.
Dedicated Managment
Area managers and photo-verified reports.
Bespoke home extensions and loft conversions stand as major structural undertakings within Nasibb Facility Services Ltd, engineered specifically to meet the exacting standards of corporate headquarters, legal practices, financial institutions, and luxury commercial spaces across Central London. It is a service defined by absolute operational precision and meticulous spatial engineering, covering everything from steel frame insertion and structural framing to architectural glazing across high-value districts from Mayfair to the City.
Beyond standard construction work, our hard service operations are anchored by rigorous safety governance and strict site-management protocols. All build and structural works are executed by thoroughly vetted subcontractors who hold SafeContractor accreditation. Operations are strictly governed by site-specific RAMS (Risk Assessment & Method Statements), mandatory toolbox health and safety talks prior to commencement, and rigorous daily contractor checklists to ensure absolute site safety and compliance. Our managed subcontractor teams coordinate local authority building control approval, structural engineering sign-offs, and Party Wall Act procedures, while maintaining strict site waste management and licensed carrier disposal. Whether expanding complex urban footprints or maximizing upper-level square footage, our teams ensure a pristine, flawless result that protects your property asset value and operational integrity.
info@nasibbfacilityservices.co.uk
Email us
T: 02036245825
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Service Specifications & Technical Scope
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Structural Transformation: End-to-end execution of timber and steel framing, roof modifications, structural alterations, and thermal envelope creation.
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Controlled Project Execution: Strict adherence to site-specific RAMS, continuous toolbox talks, and daily contractor safety checklists.
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Vetted Trade Accreditation: Delivered exclusively by SafeContractor certified specialists operating under strict supervisory oversight.
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Statutory Compliance: Seamless coordination of Building Control, structural engineering sign-offs, and Party Wall procedures.
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Flexible Out-of-Hours Delivery: Phased scheduling designed around your corporate operational hours to eliminate workspace disruption.
FAQ's
What our clients say
“We’re extremely satisfied with the consistently high standard of cleaning provided. The team is reliable, thorough, and professional, always going the extra mile to ensure every detail is taken care of. They are also consistently responsive and happy to accommodate any specific requests, making the whole service smooth and dependable.”
- Claudia, Office Administrator at AFRY
What our clients say
“Switching to Nasibb Facility Services made an immediate, noticeable difference in the cleanliness and upkeep of our facilities. The standard of cleaning and attention to detail have been exceptional and we are extremely happy with their reliable service.”
– Amanda, Office Manager at Cygnet
What our clients say
“Yes we are very pleased with the interaction we have with Jose who has always been extremely responsive, attentive and accommodates our requests. We feel he goes over and above and it is very rare that a next day request is unable to be satisfied.”
– Greg, Managing Director at Pearmain Property
What our clients say
“At Valente Construction, we have trusted Nasibb Facility Services for 11 years to handle our construction cleaning. Ruth personally supervises every project with incredible attention to detail, and our clients are always absolutely delighted with the final results. Reliable, professional, and highly recommended!”
– Tiago, Managing Director at Valente Construction
What our clients say
“We have worked with Nasibb Facility Services for over Four years now and they have made end of tenancy cleans a breeze. They have a great team – always punctual, polite and nothing is too much! The job is always thorough and regardless of the condition of the property, it is sparkling clean once Ruth and the team have worked on it.”
– Colin, Director at Gateway Capital Property
What our clients say
“Nasibb Facility Services conduct our cleaning and curtain steaming for any show homes or high end properties we furnish. Always a thorough job and we need that reliability to ensure it’s done first time. Can’t fault them and certainly can’t thank them enough – Would highly recommend them to anyone in the property industry!”
– Tony, STOK London
What our clients say
“We were recommended to work with Nasibb Facility Services just under a year ago and so far they have been fab. Never any complaints from tenants after an end of tenancy clean and we now recommend them to all of our tenants before vacating. Carpet cleaning, deep floor cleans, mold issues, they seem to cover it all, have the best equipment and a ‘can do’ team! Jose and his team are great to work with and we look forward to continuing to work with them.”
– Kaden, Founder and CEO of RICE Resi
What our clients say
“We have worked with Ruth for close to 20 years and with Nasibb Facility Services for 11. As many of our projects employ delicate and costly materials we need a cleaning company that understands how to make sure that not only the houses are left immaculately clean, but that the materials are never harmed in the process.They have never let us down. Nasibb are excellent at what they do, reliable and genuinely care for the homes in which they work.”
– Timothy, Managing Director at Pask Projects
What our clients say
"I've worked with Nasibb for over 10 years and couldn't recommend them more highly. The team is thorough, proactive, and always goes above and beyond - especially around big office events, when they make sure everything looks spotless. They're friendly, communicative, reliable, and flexible. Thank you!"
- Sam, Head of People at Thortful
