Integral Builders UK
Integral Builders UK is a family-run principal contractor in South London and Surrey, delivering architect-led extensions, loft conversions, refurbishments, and kitchen and bathroom projects typically valued £250,000–£1.5 million for high-net-worth homeowners and design professionals.
- Company typePrivate
- Founded-
- HeadquartersLondon, United Kingdom
- Headcount1–10
- GTM typeB2B and B2C
- OfferingServices
What Integral Builders UK does
Integral Builders UK is a family-run principal contractor specializing in high-end residential construction across South London and Surrey. Founded over 15 years ago and headquartered in Wimbledon Chase, the firm delivers extensions, loft conversions, refurbishments, and kitchen and bathroom renovations typically valued between £250,000 and £1.5 million. It operates as principal contractor on architect-led projects (RIBA Stage 3–6) for high-net-worth homeowners, architecture practices, and interior designers.
The operating model pairs a small directly employed core team (1–10 staff) with a network of vetted specialist subcontractors, enabling the firm to take on mid-sized residential builds without carrying large permanent overhead. It holds verification from Checkatrade and Which? Trusted Traders, lists 15+ documented completed projects on its website, and has added a Heritage & Listed Buildings service vertical and dedicated landing pages covering Wimbledon, Wandsworth, and Bromley.
Revenue is generated on a project-by-project basis with no disclosed recurring contract or subscription model. Its go-to-market is built on architect and interior-designer referrals, local SEO around affluent postcodes, third-party trade verification platforms, and a recently introduced online booking feature. The company is registered as a UK private limited entity (company number 12148826) with no disclosed external funding or institutional ownership.
Integral Builders UK firmographics
Firmographics- Name
- Integral Builders UK
- Legal name
- Integral Builders Limited
- Website
- https://integralbuilders.co.uk
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Integral Builders UK is a family-run principal contractor in South London and Surrey, delivering architect-led extensions, loft conversions, refurbishments, and kitchen and bathroom projects typically valued £250,000–£1.5 million for high-net-worth homeowners and design professionals.
- Ownership category
- akta.pro rank
Integral Builders UK industry classification
Industry- Product category
- Residential Construction Services
- NAICS
- Residential Building Construction (23611), Residential Building Construction (2361)
- SIC
- General Bldg Contractors - Residential Bldgs (1520), Operative Builders (1531)
- akta.pro primary industry
- Residential Design-Build & Renovation-Integrated Builders (IMAFABAE)
- akta.pro secondary industries
- Residential Interior Fit-Out (Multi-Family & High-End) (IMAFANAE), Second-Story Additions (HSAPADAB)
Keywords
Where Integral Builders UK is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Integral Builders UK business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Marketing or Sales, Others
Revenue model
- Residential Construction Contracts: As principal contractor, Integral Builders earns revenue through fixed-price contracts for residential construction projects including house extensions, loft conversions, full house refurbishments, and kitchen/bathroom installations. Revenue is project-based, non-recurring per client, and varies by contract value (£250,000–£1.5 million typical range). They manage all trade subcontractors under one principal contract.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Multi-year contract | Single-storey rear kitchen extension (South London) |
| Unit Pricing | Multi-year contract | Mid-range family bathroom renovation (South London) |
| Unit Pricing | Multi-year contract | Luxury bathroom renovation (South London) |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels7 records
Integral Builders UK product offering
Product offeringCore offering
Integral Builders UK is a family-run, bespoke residential construction company that delivers house extensions, loft conversions, whole-house refurbishments, home renovations, kitchen extensions, bathroom renovations, heritage/listed building works, and small-scale residential developments as principal contractor. Projects are typically valued between £250,000 and £1.5 million and follow a RIBA Stage 3-6 structured delivery process with formal weekly reporting, RFIs, and scheduled valuations. The firm serves homeowners, architects, interior designers, project managers, and small developers across South London (Wimbledon, Wandsworth, Bromley) and Surrey under a single principal contract with one point of contact from brief to handover.
Product overview
Integral Builders UK is a family-run residential construction company offering a unified set of construction services for high-end home improvements across South London. The core offering consists of house extensions, loft conversions, house refurbishments, and home renovations, supported by specialist kitchen and bathroom installation services. All projects follow a structured architect-led process (RIBA Stages 3-6) under a single principal contract managed by a dedicated project manager. The company operates exclusively in bespoke residential construction, working with architects, interior designers, and homeowners.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- Typical project values range from £250,000 to £1.5 million
- +3 more outcomes
Companies that use Integral Builders UK
Customer profileNamed customers6 records
Segments6 records
Ideal customer profiles2 records
Integral Builders UK technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integral Builders UK partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights3 records
Integral Builders UK competitors and assessment
Company assessmentDirect peers
- Walter Cooper & Partners: Established London builder delivering premium residential construction, refurbishment and listed-building work. Comparable in specialism on architect-specified, heritage-sensitive projects in affluent London postcodes.
- Hill Bespoke (Hill Group): Hill Group's bespoke division delivers luxury, individually designed homes in London and the Home Counties. Comparable as a high-end, architect-led residential builder operating in overlapping London sub-markets.
- Oliver Connell & Son: Family-run London building firm specialising in high-end home extensions, refurbishments and bespoke residential projects. Closely comparable in size, family-owned structure, and South/West London focus.
- Bellworth Homes: Bespoke residential developer and builder focused on luxury London home construction and refurbishment. Closely comparable in service mix (extensions, refurbishments, new builds) and premium South London/affluent-London customer segment.
- McNamara Construction: Boutique London residential contractor specialising in high-end refurbishments, extensions and basement conversions. Comparable in scale, customer base (HNW homeowners) and architect-led project delivery.
- Octagon Developments: Specialist luxury residential developer/builder of one-off homes, extensions and refurbishments across London and the South East. Directly comparable in HNW client focus, premium project values, and bespoke delivery model.
Regional players
- Story Homes: North of England-focused residential developer building bespoke and luxury homes. Comparable in bespoke-build positioning and project values, though operating in a different UK region from Integral Builders' South London base.
Broad incumbents
- Berkeley Group: One of the UK's largest residential developers, with significant London and South East operations including luxury schemes. A broad incumbent that competes for the same affluent London homeowner and architect network, though at vastly greater scale and with a portfolio rather than pure-bespoke model.
- Taylor Wimpey London: Major UK housebuilder with substantial London and South East operations across multiple price points. A broad incumbent — overlapping customer geography but operating a volume, not bespoke, model.
Emerging players
- Pegasus Homes: Mid-sized UK developer of design-led, high-quality residential homes in the South East, including London commuter belt. Comparable as an emerging player targeting design-quality-conscious buyers with a more bespoke-feeling product than mainstream volume builders.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights7 records
Customer concentration
Integral Builders UK social profiles
Digital presenceIntegral Builders UK compliance and trust
Trust signalCompliance2 records
Integral Builders UK financial estimates
Financial estimateRevenue estimate
Valuation estimate
Integral Builders UK leadership team
Management profileNumber of profiles
Integral Builders UK funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Integral Builders UK M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Integral Builders UK
What does Integral Builders UK do?
Integral Builders UK is a family-run, bespoke residential construction company that delivers house extensions, loft conversions, whole-house refurbishments, home renovations, kitchen extensions, bathroom renovations, heritage/listed building works, and small-scale residential developments as principal contractor. Projects are typically valued between £250,000 and £1.5 million and follow a RIBA Stage 3-6 structured delivery process with formal weekly reporting, RFIs, and scheduled valuations. The firm serves homeowners, architects, interior designers, project managers, and small developers across South London (Wimbledon, Wandsworth, Bromley) and Surrey under a single principal contract with one point of contact from brief to handover.
Is Integral Builders UK a public or private company?
Integral Builders UK is a private company. It is classified as family owned and is currently operating.
When was Integral Builders UK founded?
Integral Builders UK was founded in -1. It employs 1 to 10 people.
Where is Integral Builders UK based?
Integral Builders UK is headquartered in London, United Kingdom, in the Europe region.
How does Integral Builders UK make money?
One revenue line is on record: residential Construction Contracts.
Who are Integral Builders UK's main competitors?
Direct peers on record are Walter Cooper & Partners, Hill Bespoke (Hill Group), Oliver Connell & Son, Bellworth Homes, McNamara Construction and Octagon Developments. Story Homes is listed as a regional player. Broad incumbents are Berkeley Group and Taylor Wimpey London. Pegasus Homes is listed as an emerging player.
Does Integral Builders UK have an API?
No public API is recorded for Integral Builders UK.
What industry is Integral Builders UK in?
Integral Builders UK's product category is Residential Construction Services. Its primary akta.pro industry code is IMAFABAE, Residential Design-Build & Renovation-Integrated Builders, with a secondary code of IMAFANAE, Residential Interior Fit-Out (Multi-Family & High-End). Its NAICS code is 23611 and its SIC code is 1520.