Built for the
Investment Mindset
We work with property investors, landlords, HMO operators, and residential developers across Greater London. We understand ROI, void periods, specification levels, and compliance — and we deliver on programme.
rcbGroup projectWatch: the pillars of S.M.A.R.T. property investing
Services for Investors
One contract, one team and clear accountability — with Principal Contractor duties taken on where we are appointed to build.
Loft Conversions for Investment
Add a bedroom and bathroom without increasing footprint. Typical ROI: 15–25% property value uplift. Most delivered under Permitted Development — no planning delay.
House Extensions & Reconfiguration
Rear extensions, side returns, wraparounds. Open-plan reconfiguration for modern buyer and rental appeal. We coordinate planning, structural engineering, and building control.
HMO Conversions
Full HMO conversion including fire compartmentation, inter-tenancy walls, fire alarm and emergency lighting systems, ventilation. We understand HMO licensing requirements across all London boroughs.
Full Refurbishment
Top-to-bottom refurbishments at investment spec — durable finishes, robust M&E, tenant-appropriate specification. Void periods minimised through tight programme management.
Structural Alterations
Wall removals, steel installations, chimney breast removal, new openings. All structural work coordinated with a Chartered Structural Engineer and Building Control.
Commercial-to-Residential Conversion
Conversion of commercial units, offices, and mixed-use buildings to residential under Permitted Development. We manage the planning and building regulations submissions.
Indicative Returns by Project Type
These are market-wide indicative ranges for Greater London, not guarantees. Actual returns depend on location, specification, and market conditions. Prices exclude VAT, architect fees, and planning fees.
| Project Type | Build Cost | Typical Value Uplift | Indicative ROI |
|---|---|---|---|
| Rear Dormer Loft Conversion | £45,000–£65,000 | £70,000–£100,000+ | 50–120% |
| Single-Storey Rear Extension | £50,000–£80,000 | £60,000–£120,000+ | 30–80% |
| Wraparound Extension | £70,000–£120,000 | £100,000–£160,000+ | 25–60% |
| 3-bed → 5-room HMO | £40,000–£70,000 | £20,000–£40,000/yr gross | 35–55% yield increase |
| Full Refurbishment | £35,000–£80,000 | £50,000–£120,000+ | 40–80% |
Source: UK residential market data 2023–2025. Figures are indicative only. Not financial advice.
Why Investors Choose rcbGroup
Six reasons property investors come back project after project.
Programme Discipline
We know void periods cost money. Our programmes are realistic and our track record is strong. We communicate programme changes immediately — not at the end.
Investment-Aware Specification
Not all finishes are equal in investment. We guide the right specification for your exit strategy — tenant demographic, sale market, and price point.
Agreed, Itemised Pricing
Pricing is itemised against an agreed scope, not open-ended schedules. Variation procedures are defined in the contract and agreed in writing before extra work.
Full Compliance
Building Regulations completion certificate, Party Wall awards, structural engineer certification and the Health and Safety File where CDM requires one — gathered and handed over. Clean compliance reduces sale risk.
Portfolio Pricing
For investors with multiple properties, we offer portfolio pricing. The relationship improves with volume — better scheduling, faster mobilisation.
Principal Contractor
Where we deliver the build, we can take on CDM Principal Contractor duties — the work is coordinated by one team, not left to a loose group of trades. One point of accountability.
Investors Who Use rcbGroup
“Third project now. They understand the investment mindset — cost per square foot, rental yield implications, what specification is right for the tenant type. Projects delivered on programme, which matters when you're running void periods.”
“Converted a 4-bed house into a 6-room HMO. rcbGroup understood the HMO licensing requirements from day one. All signed off by Building Control without issue. Tenanted and generating income within 8 weeks of completion.”
Independently reviewed
Read what clients say — in full, with our replies — on Checkatrade and Google.
Building Your Portfolio?
Talk to us about your next acquisition or current project. Portfolio pricing available for multiple properties.