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Construction and Architectural Design Business for Sale in London - House Extensions and Loft Conversion

Relocatable

CONFIDENTIAL

  • Leasehold: £250,000
  • Turnover: £894,000 (£17,192 per week)
  • Profit: On request

Key Features

  • Offers Invited
  • Accounts Available
  • High Turnover
  • Prime Location

Business Details

Construction and Architectural Design Business for Sale–House Extensions and Loft Conversion London

Rare opportunity for a new owner to take on a fully operational, profitable, business with excellent foundations for growth.

This award-winning Design & Build Company is a leading specialist in. Integrating architectural design with premium construction, the business operates through its in-house, RIBA- and ARB-accredited architectural practice—delivering exceptional results for discerning residential clients across Southwest London and the Home Counties.

The company’s structured, two-phase project model offers homeowners complete flexibility, control, and transparency—setting it apart from traditional design-build firms and establishing it as a trusted provider in a thriving niche market.

 Core Services

1. Architecture Only Bespoke RIBA-accredited design services.
2. Build Only High-quality construction for clients with existing plans.
3. Design & Build Turnkey service from concept to completion.

Financial Performance & Pipeline

Despite external challenges—Brexit, COVID-19, and the cost-of-living crisis—the company has consistently maintained profitability and demand:
2022/23: £791,353
2024/25: £894,000 Net profit £91k

£1,400,000 (contracted and booked)

Property

The business operates from an attractive High Street location, just a short walk from a mainline station. The freehold is owned by the Directors and is available to the buyer on flexible terms—rent, lease, or purchase.

Client Base & Demand

- Over 300 projects completed with strong word-of-mouth referrals.
- Primary market: Affluent residential homeowners seeking high-quality loft conversions and home extensions.
- Project pipeline booked until April 2025, demonstrating strong forward demand.

 

Growth Potential

- Geographic Expansion: Extend coverage into Surrey, Buckinghamshire, Essex, and East/Central London.
- Service Diversification: Add new services (e.g. bathroom/kitchen fit-outs, refurbishments, large-scale renovations).
- Marketing Amplification: Scale existing digital and offline marketing efforts to generate more high-value leads.

 

Reason for Sale

The founders have successfully built a financially stable, highly regarded business. They are now shifting focus to personal property development projects.

 

Post-Sale Support

The current owners are committed to providing a comprehensive handover and transitional support to ensure a seamless transfer of knowledge and operations.

 

Conclusion

This is a rare opportunity to acquire a top-tier design and build business with:
- A £1.4M contracted project pipeline.
- An award-winning brand.
- A scalable model in a high-demand sector.

With its robust systems, in-house expertise, and powerful market position, the business is ideally placed for growth under new ownership—whether as a bolt-on to an existing construction group or as a standalone, premium service brand.

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Send a test amount before you consider handing over a large amount of funds. Maybe even try transferring £1, and then speaking to your solicitor to confirm receipt.

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Do not disclose proof of funds directly to the sellers. If the sellers request you to show proof of funds, we advise that it is done through a solicitor to prevent fraudulent activities from occuring.

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Buying a business is not covered by consumer rights legislation. It is your responsibility to acquire a business that holds up in quality and agreement.

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Fraudsters will typically use false news in an attempt to get you to act quickly. For example, 'Your account has been disabled. Reset your password now.'.

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Review the performance of a business to make appropriate financial projections. Some businesses are dormant or not trading, so it is essential to check their short and long-term potential.

Stay Safe

Legitimate emails from Rightbiz will be with the domain @rightbiz.co.uk. However, emails from [email protected], [email protected] or [email protected] are not affiliated with Rightbiz.

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Stay Safe

Do not pay any deposit to private sellers upfront. If you are looking to purchase a business, we advise that any deposits or transactions made are through a solicitor to prevent fraudulent activities from occuring.

Stay Safe

Don't share confidential information with any private sellers, including your home address, account passwords, bank accounts and credit card information.

Stay Safe

The vast majority of these scams involve the transfer of substantial sums of money. We advise all transactions made are through a solicitor to prevent fraudulent activities from occuring.

Stay Safe

Send a test amount before you consider handing over a large number of funds. Maybe even try transferring £1, and then speaking to your solicitor to confirm receipt.

Stay Safe

Do not disclose proof of funds directly to the sellers. If the sellers request you to show proof of funds, we advise that it is done through a solicitor to prevent fraudulent activities from occuring.

Stay Safe

Buying a business is not covered by consumer rights legislation. It is your responsibility to acquire a business that holds up in quality and agreement.

Stay Safe

Fraudsters will typically use false news in an attempt to get you to act quickly. For example, 'Your account has been disabled. Reset your password now.'.

Stay Safe

Review the performance of a business to make appropriate financial projections. Some businesses are dormant or not trading, so it is essential to check their short and long-term potential.

Stay Safe

Legitimate emails from Rightbiz will be with the domain @rightbiz.co.uk. However, emails from [email protected], [email protected] or [email protected] are not affiliated with Rightbiz.

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The data showed regarding this advert 'Construction and Architectural Design Business for Sale–House Extensions and Loft Conversion London - CG05-ABS / Rightbiz' comprises as a business advertisement. Rightbiz Ltd makes no warranty as to the accuracy or to the completeness of the advertisement or any linked or any associated information provided. In no event shall Rightbiz Ltd be liable for any damages or loss whatsoever including special, indirect, consequential, incidental or punitive damages for loss of profits and revenue, arising out of or connected with this website or to the use, reliance upon or performance of any information contained in or accessed from this website.