Building Spaces. Transforming Lives. T&T brings construction and interior design together to create practical and beautiful spaces for homes and businesses.
Building Spaces. Transforming Lives. T&T brings construction and interior design together to create practical and beautiful spaces for homes and businesses.
Selecting the right contractor is one of the most critical decisions in any residential or commercial project. Beyond competitive pricing, client success depends on transparent project management, reliable subcontractor oversight, and a commitment to architectural detailing.
A reputable contractor provides itemized material schedules and labour breakdowns. This clarity eliminates hidden costs, ensures mutual accountability, and allows informed decision-making if adjustments are needed during construction.
Review the contractor's safety standards, site supervision structures, and previous completed builds. Experienced builders ensure compliance with local authority requirements and Kenyan construction standards at every milestone.
Use this evaluation matrix to assess prospective contractors and protect your building investment:
| Evaluation Pillar | Industry Standard Benchmark | Warning Sign / Red Flag | Truth & Tikva Standard |
|---|---|---|---|
| 1. NCA Registration | Valid National Construction Authority (NCA) practising licence (NCA 1 to NCA 6) | Unregistered "fundi" acting as general contractor without indemnity | Fully accredited, registered with statutory compliance |
| 2. Itemised BQ Quoting | Fully itemised Bill of Quantities detailing material specs, unit rates, and labor | Single lump-sum quote without component breakdowns ("12 million all inclusive") | Transparent BQ detailing every square meter, cubic meter, and material brand |
| 3. Dedicated Site Supervision | Permanent qualified site foreman and regular structural engineer inspections | Contractor visits site once a week; unsupervised tradesmen making ad-hoc decisions | Dedicated on-site management with daily log reporting and engineer sign-offs |
| 4. Physical Project Track Record | Ability to visit 2–3 recently completed or ongoing local projects in Nairobi | Stock photos on social media; refusal to arrange physical site visits | Documented portfolio across Nairobi, Watamu, and Eldoret available for client walkthroughs |
| 5. Subcontractor Integration | Directly coordinated trades (MEP, joinery, steel fabricators under one lead) | Fragmented third-party subcontractors arguing over site errors and delays | Unified in-house design, workshop fabrication, and site implementation |
| 6. Defects Liability Period (DLP) | Formal 6-to-12-month defects liability period with 5% retention held until snag-free | Demands 100% payment before handover; disappears when snags occur | Contractually guaranteed defects liability period with swift warranty response |
Why insisting on a comprehensive BQ is the single most effective way to eliminate hidden construction costs:
| Project Dimension | Lump-Sum Single Price Quote | Itemised Bill of Quantities (BQ) |
|---|---|---|
| Cost Transparency | Opaque: Impossible to verify whether you are overpaying for tiles, steel, or cement | Transparent: Every quantity, unit rate, and material specification is clearly documented |
| Handling Design Changes | High friction: Contractor charges arbitrary variation prices for simple alterations | Formulaic: Changes are priced directly using the pre-agreed contract unit rates |
| Material Quality Control | High risk: Contractor has financial incentive to use lower-grade materials to maximise profit | Protected: Exact specifications (e.g. 12mm rebar, Class 25 concrete) are legally binding |
| Payment Milestone Alignment | Vague: Payments tied to calendar dates rather than verified physical progress | Fair: Disbursements released only after measured completion of specific milestones |
Use this form to ask a construction, renovation or interior design question.
Building spaces and transforming lives through practical planning, skilled construction and considered interior design in Nairobi, Kenya.
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Project Discussion
Planning NoteReply
Project planningBegin with the purpose of the space, then align the building scope and interior direction around that need.
Design NoteReply
Interior planningBegin with the purpose of the space, then align the building scope and interior direction around that need.