Award-Winning Design & Build Serving Putney & Wandsworth
Putney and Wandsworth are among South West London's most popular family areas, with an excellent mix of Victorian terraces, Edwardian semis, and larger detached properties. The area's proximity to green spaces, good schools, and transport links makes it a prime location for homeowners who want to add space rather than move — and the varied housing stock responds well to extensions, loft conversions, and renovations.
LCCL Construction is an LABC Award-winning design and build company with over 20 years' experience. Our in-house team delivers everything under one roof: architecture, structural engineering, planning applications to Wandsworth Council, construction, and project management. One comprehensive quote covering everything.
We serve Putney and Wandsworth from our base in Finchley N3. We work across South West London because our experience with Victorian and Edwardian properties is directly relevant here, and our quality standards match the expectations of SW15 and SW18 homeowners.
Why Putney & Wandsworth Homeowners Choose LCCL
LABC Building Excellence Award Winners 2024 — Independent verification of the highest construction standards.
200+ Reviews Averaging 4.7/5 — Consistent quality across hundreds of projects.
Victorian & Edwardian Specialists — Decades of experience with the property types that dominate Putney and Wandsworth.
Complete Design & Build — Architecture, engineering, planning, construction, project management, and 10-year LABC warranty. Transparent pricing throughout.
Our Services
Design and build under one roof, Architecture, planning, construction, and finishing — managed by one team, from start to finish.
- HOUSE EXTENSIONS
House Extensions in Putney & Wandsworth — Family Homes, More Space
Putney and Wandsworth's housing stock offers excellent extension potential. The Victorian terraces around Putney High Street and East Putney suit side return and rear extensions. The larger Edwardian and 1930s properties across Wandsworth Common, Southfields, and West Hill have wider plots suitable for wraparound and double-storey additions.
Extension Types for Putney & Wandsworth Properties
Rear Extensions — Kitchen-dining extensions that open onto the garden. The most popular project in the area. Permitted development allows 3 metres for terraces, 6 metres under prior approval for semis and detached. Typical costs: £52,000 to £90,000.
Side Return Extensions — For the Victorian terraces with narrow side passages. Transforms the ground floor. Typical costs: £42,000 to £65,000.
Wraparound Extensions — Combining side and rear for the larger properties around Wandsworth Common. Typical costs: £70,000 to £118,000.
Double-Storey Extensions — For semis and detached properties with sufficient plot size. Adds both living space and bedrooms. Typical costs: £100,000 to £190,000.
What Is Included in Every Extension Quote
All prices include: architecture, structural engineering, planning applications to Wandsworth Council, all construction, project management, building control via LABC, and 10-year LABC warranty. All-inclusive quote. Call 020 8037 7332.
- LOFT CONVERSIONS
Loft Conversions in Putney & Wandsworth — Extra Bedrooms for Family Homes
Both Putney and Wandsworth have housing stock that responds well to loft conversions. The Victorian terraces suit rear dormers and mansard extensions. The Edwardian semis around Wandsworth Common and Southfields have hipped roofs ideal for hip-to-gable conversions. Most conversions outside conservation areas qualify under permitted development.
Loft Conversion Types
Rear Dormer Conversions — The most popular choice. Flat-roofed rear dormers creating spacious bedrooms with en-suites. Costs: £48,000 to £70,000.
Hip-to-Gable Conversions — Ideal for the Edwardian semis with hipped roofs. Adds 30 to 40 percent more space. Combined with rear dormers. Costs: £55,000 to £78,000.
Mansard Conversions — Maximum space for terraced properties. Requires planning permission. Costs: £65,000 to £92,000+.
L-Shaped Dormers — End-of-terrace and semi-detached properties. Two bedrooms or a master suite. Costs: £58,000 to £82,000.
What Is Included
All prices include: architecture, structural engineering, scaffolding, all construction, staircase, insulation, electrics, en-suite plumbing, building control via LABC, project management, and 10-year LABC warranty. Call 020 8037 7332.
- RENOVATIONS
Renovations in Putney & Wandsworth — From Tired to Transformed
Putney and Wandsworth's Victorian and Edwardian properties often need comprehensive renovation to match modern expectations. Ground-floor reconfiguration, new kitchens and bathrooms, rewiring, replumbing, and complete interior refurbishment can transform a dated family home into a modern living space while preserving period character.
Typical costs: kitchen renovation £26,000 to £55,000, bathroom renovation £12,000 to £26,000, structural reconfiguration £6,000 to £12,000, whole-house refurbishment from £95,000 upward. Detailed quotes provided. Final costs confirmed once designs and structural requirements are agreed.
- ARCHITECTURE
In-House Architecture — Wandsworth Council Planning Experience
Putney and Wandsworth fall within the London Borough of Wandsworth, one of London's most active residential building boroughs. Our in-house architects submit applications to Wandsworth Council regularly and understand the borough's approach to residential extensions, conservation area proposals, and loft conversions. Wandsworth processes a high volume of householder applications and has established design expectations for different property types and areas.
The integrated design and build model means our architects design with construction costs and buildability in mind from the outset. For Victorian and Edwardian properties, this includes understanding party wall structural implications, foundation depths, and steelwork sequencing for open-plan conversions. Every Putney and Wandsworth project includes: measured survey, concept designs, 3D visualisations, construction drawings, planning applications to Wandsworth Council, structural engineering, and building regulations via LABC. All included in your quote — no separate architect fees.
- LOCA PLANNING EXPERTISE
Planning & Local Knowledge — Putney & Wandsworth
Planning Authority
Both Putney and Wandsworth fall within the London Borough of Wandsworth. All planning applications are submitted to Wandsworth Council.
Conservation Areas
Putney Conservation Areas cover parts of Putney including areas around the High Street, Putney Hill, and the riverside, with restrictions on permitted development rights. Wandsworth Common Conservation Area covers residential streets around Wandsworth Common, protecting the Victorian and Edwardian character. West Hill Conservation Area protects the residential character of West Hill and surrounding streets.
Permitted Development Rights
Outside conservation areas, standard PD rights apply. Wandsworth Council processes a high volume of householder applications. LDCs recommended for permitted development projects.
Typical Planning Timescales
Householder planning application: 8-week target. Lawful Development Certificate: approximately 8 weeks. Prior approval: 42 days. Building control: inspections throughout construction.
Party Walls
Most Putney and Wandsworth extensions involve party walls. The Party Wall etc. Act 1996 requires formal notification to neighbours before work begins. We manage party wall notices as part of every project.
Building Control
All LCCL projects are managed through LABC building control. Inspections at each key stage ensure compliance with Building Regulations. At completion, you receive a building control completion certificate and optional 10-year LABC warranty.
Frequently Asked Questions
How much does an extension cost in Putney?
Rear extensions: £52,000 to £90,000. Side return: £42,000 to £65,000. Double-storey: £100,000 to £190,000. All prices include architecture, engineering, planning, construction, and 10-year LABC warranty.
What loft conversions work for Putney and Wandsworth houses?
Victorian terraces suit rear dormers (£48,000 to £70,000). Edwardian semis suit hip-to-gable (£55,000 to £78,000). End-of-terrace suit L-shaped dormers (£58,000 to £82,000).
Do I need planning permission?
Outside conservation areas, many projects qualify under PD. Within conservation areas around Putney town centre or Wandsworth Common, planning permission may be required. We assess your property and handle all applications.
What's included in your price?
Everything: architecture, engineering, planning, construction, project management, building control via LABC, and 10-year LABC warranty. One team, one quote. Final costs confirmed once designs are agreed.
How do I get started?
Call 020 8037 7332 or book a free consultation. Free, no obligation.
Areas We Cover
Based in Finchley N3, serving London and Hertfordshire.
North London and Hertfordshire
Barnet | Finchley | Hendon | Muswell Hill | Edgware | Enfield | Borehamwood | Potters Bar | Watford | St Albans
Across London
Hampstead | St Johns Wood | Islington | Kensington & Chelsea | Fulham | Clapham | Richmond | Putney & Wandsworth | Crouch End | Stoke Newington | Highgate | Ealing | Notting Hill | Camden | Queens Park