Renovations & Extensions

At Bloom Builders, we deliver high quality home renovations and extensions across London, with a strong focus on period properties across South West London. We help clients reconfigure, extend and improve existing homes while protecting original character, structural integrity and long term property value.

We deliver both full design and build projects and construction only services, depending on project stage. Where required, we work alongside Malone + Pike Architects or collaborate with your existing architect to support planning, design development and technical coordination.

Renovation and Extension Services

We deliver full residential renovation and extension construction including:

Structural Renovations

• Internal wall removal and structural steel installation
• Chimney breast removal and structural opening formation
• Floor strengthening and structural reconfiguration
• Layout redesign for open plan living

Home Extensions

• Rear extensions
• Side return extensions
• Wrap around extensions
• Double storey extensions
• Structural alterations to support extensions

Internal Construction and Fit Out

• Partition construction and plaster finishes
• Electrical and heating system installation
• Kitchen and bathroom construction
• Decoration and internal finishing
• Bespoke joinery and storage

Energy Performance Upgrades

• Insulation improvements
• Underfloor heating installation
• Ventilation upgrades
• Airtightness improvements

Planning and Technical Coordination

Where required, we support:

• Planning strategy and approval coordination
• Building Regulations compliance
• Party wall agreements and neighbour liaison
• Licence to alter and freeholder approvals

All projects are delivered in line with Construction Design and Management Regulations (CDM).

Renovation and Extension Cost London

Costs vary depending on structural complexity, extension size, specification and access constraints.

Typical London construction ranges:

Light Renovation
£1,500 to £2,500 per m2

Full Structural Renovation
£2,500 to £4,500+ per m2

Extension Construction
£3,000 to £5,500+ per m2 depending on glazing, structure and specification

We provide early stage cost advice to reduce budget risk and improve project planning.

Renovation and Extension Projects

We have delivered renovation and extension projects across South West London including:

Huron Road SW17
Full house renovation including structural alterations and extension works.

Montholme Road
Structural renovation combined with side return extension and roof terrace works.

Rodenhurst Road
Ground floor extension and full internal layout reconfiguration.

Why Work With Bloom Builders?

Clear Cost Planning
Transparent pricing and structured construction cost advice.

Full Project Coordination
From feasibility and technical planning through to construction completion.

Design and Build Understanding
We understand how design decisions affect cost, buildability and construction programme.

Collaborative Approach
We regularly work alongside Malone + Pike Architects or coordinate with external design teams depending on project needs.

Start Your Renovation or Extension Project

If you are planning a home renovation or extension in London, we can advise on feasibility, cost and construction approach.

Contact Bloom Builders to discuss your project or request an early stage cost review.