Loft Conversion Builders in Tooting (SW17)
Professional loft conversion builders in Tooting, South West London.
Why Choose All Well for Loft Conversions in Tooting?
Tooting's Victorian terraces and Edwardian semis both lend themselves to loft conversions, and it's one of the most popular improvements we do in SW17. The terraces suit rear dormers that create a double bedroom with en-suite, while the Edwardian semis around Tooting Bec are ideal for hip-to-gable conversions that create even more space. Either way, you gain a bedroom without extending the building footprint, useful in an area where gardens are modest and every square metre counts.
Every project comes with a fixed-price contract, single project manager, and full certification including Building Control sign-off.
Loft Conversions for Tooting Properties
Tooting is known for its victorian terraces, edwardian semis, period properties. Our loft conversions services are tailored to these property types, ensuring results that complement the character of your home.
Postcodes we cover: SW17
Loft Conversions Tip for Tooting Homeowners
Wandsworth Council has clear guidance on dormer design. They want dormers to be visually subordinate to the original roof, set back from the party wall by at least 200mm, and finished in materials that complement the existing roof. We design all our Tooting dormers to these specs from the start. For the Edwardian semis, the hip-to-gable conversion needs the new gable wall to match the existing brickwork, so we source reclaimed London stock bricks or tint new bricks to match the weathered colour.
Types of loft conversion we build in SW17
Three patterns cover most of what we do in Tooting, and the right one depends on whether the property is a Victorian terrace or an Edwardian semi.
Rear dormers and L-shaped conversions on Tooting Victorian terraces
The terraces along Franciscan Road, Brudenell Road, Trinity Road, and Tooting Bec Gardens have steep cut-roof Victorian pitches with 2.4 to 2.6 metres at the ridge. A rear dormer creates a double bedroom with en-suite within the existing roofline, the most common project we run in SW17. The work covers structure, staircase, en-suite plumbing, electrics, plastering, and decoration. Build time 10 to 12 weeks. Permitted development under Class B covers the 40 cubic metre terraced allowance. L-shaped dormers suit wider Victorian terraces where the back addition supports a side dormer alongside the rear projection, with a build time of 12 to 14 weeks.
Hip-to-gable conversions on Edwardian semis near Tooting Bec
The Edwardian semis with hipped roofs convert with a vertical gable wall replacing the sloping side roof, plus a rear dormer, creating a full-width master bedroom with en-suite. The new gable brickwork is sourced as reclaimed London stock or new bricks tinted to match the existing weathered colour. Build time 12 to 14 weeks. The mortar matches the existing, typically a soft lime-cement mix rather than modern Portland cement, which would look obviously new. Semi-detached properties qualify for the 50 cubic metre Class B allowance. Note: dormer-style rear additions that project beyond the original rear wall are prohibited on some Wandsworth streets within the Tooting Bec Common conservation area, so we check the boundary before quoting.
Wandsworth planning rules, party walls, and brick matching for Tooting loft conversions
Three Tooting-specific factors define the planning and structural approach on almost every loft conversion we run in SW17.
Wandsworth Council dormer design standards and party wall notices
Wandsworth has clear published guidance: rear dormers must sit at least 300mm below the existing ridge, set back from the party wall by at least 200mm, set back from the eaves by at least 200mm, and not exceed 70 to 80 percent of the rear roof slope width. Materials must match the existing roof covering, typically slate on Victorian terraces, plain clay tile on some streets. Front-facing dormers are not permitted development. We design within these parameters from day one and our submitted designs typically get approved without revisions. Tooting Victorian terraces share 9-inch solid brick party walls with neighbouring properties. Loft conversions trigger the Party Wall Act 1996 where new floor structure ties into the party wall, where steel beams are cut through, or where dormer construction crosses the party wall line. Notice must be served at least two months before work starts. We use the Agreed Surveyor route for a single surveyor fee where neighbours dissent.
Matching London stock brick on Edwardian hip-to-gable conversions in Tooting
The new gable wall on a hip-to-gable conversion must read as a continuation of the existing brickwork. Class B permitted development requires materials similar in appearance to the existing house, and Wandsworth's planning team checks brick matching at completion. We source reclaimed London stock bricks where available, or have new bricks tinted to match the existing weathered colour. The mortar is a soft lime-cement mix rather than modern Portland cement, which would look obviously new against weathered Edwardian brickwork. An obvious mismatch can trigger enforcement.
Wandsworth Council process and project management for a Tooting loft conversion
Tooting falls under Wandsworth Council, which is regarded as one of London's faster planning authorities. Here is how a project runs from first call to handover.
Permitted development, LDC, and conservation area planning in SW17
Permitted development under Class B covers loft conversions within volume limits, 40 cubic metres for terraced and 50 cubic metres for semi-detached. We submit a Lawful Development Certificate (£129, 6 to 8 weeks at Wandsworth) on permitted development projects for written confirmation, which protects the property at sale. Within the Tooting Bec Common or Totterdown Fields conservation areas, full planning applies and Wandsworth typically determines applications in 8 to 10 weeks. A Tooting loft conversion involves 9 to 12 trades over 10 to 14 weeks: structural steel, joist and floor structure, dormer or gable carcassing, brick build-up matched to London stock, slate or tile roofing matched to the existing covering, Velux rooflights and FENSA-registered casement windows, 150mm PIR insulation between rafters plus 50mm under (U-value 0.18 W/m²K, Building Regulations Part L), staircase joinery, plastering, NICEIC electrics, en-suite plumbing, and decoration. One project manager from survey through handover with photo updates. Fire safety under Building Regulations Part B requires a protected escape route with FD30 fire doors on every habitable room along the route to the front door, mains-wired interlinked smoke alarms on every floor, and 30-minute fire-resistant floor construction. Original ground-floor doors often need replacement to FD30 standard, included in the contract scope. The fixed price covers labour, materials, structural engineer calculations, Building Control fees, FENSA glazing registration, party wall surveyor coordination, conservation area applications where applicable, FD30 door upgrades, gable brick matching, and the Lawful Development Certificate or planning fee, and is confirmed after a free site visit.
Loft Conversions in Tooting: What's Included
How I price loft conversions in Tooting
I price every loft conversions job in Tootingafter I’ve seen it. No two properties are the same, so a number here would only mislead you. What you get instead is a fixed-price contract, a week-by-week programme, and no costs that turn up later.
Get a fixed quoteWhat Our Customers Say
“All Well managed our project from start to finish. The fixed-price contract meant no surprises, and the result is stunning.”
Verified Customer
Tooting
“Professional team, clear communication throughout. They handled everything including Building Control sign-off.”
Verified Customer
Tooting
Frequently Asked Questions
- How much does a Tooting loft conversion cost?
- It depends on the property type and the conversion. A rear dormer on a Victorian terrace is the most common Tooting project and covers structure, staircase, en-suite plumbing, electrics, plastering, and decoration. A hip-to-gable on an Edwardian semi around Tooting Bec includes reclaimed or tinted brick matching for the new gable. L-shaped dormers suit wider terraces. FD30 escape route door upgrades and party wall surveyor coordination are part of the contract scope. Conservation area full planning adds 2 to 4 weeks of lead time over a standard Lawful Development Certificate. We confirm a fixed price after a free site visit, so it doesn't change unless the specification does.
- What are Wandsworth's dormer design rules in Tooting?
- Wandsworth has clear published guidance. Rear dormers must sit at least 300mm below the existing ridge, set back from the party wall by at least 200mm, set back from the eaves by at least 200mm, and not exceed 70 to 80 percent of the rear roof slope width. Materials must match the existing roof covering (typically slate on Victorian terraces, plain clay tile on some streets). Front-facing dormers are not permitted development. Side-facing dormer windows to habitable rooms must be obscure-glazed and fixed shut up to 1.7 metres above floor level under the General Permitted Development Order. Dormer-style rear roof additions that project beyond the original rear wall are prohibited within the Tooting Bec Common conservation area on some streets. We design within the published parameters from day one and check the conservation area boundary on the Wandsworth planning portal at the survey.
- Why does the new gable need to match existing brickwork on a Tooting hip-to-gable?
- Because Wandsworth Council expects the new gable wall to read as a continuation of the existing brickwork rather than a modern addition. Permitted development under Class B requires materials similar in appearance to the existing house, and a visibly mismatched gable can trigger planning enforcement. We source reclaimed London stock bricks where available, or have new bricks tinted to match the existing weathered colour. The mortar mix matches the existing, typically a soft lime-cement mix rather than modern Portland cement, which would look obviously new and harsh against weathered Edwardian brickwork. Wandsworth's planning team checks brick matching at completion, and the matching is included in our fixed-price contract.
- Why hire All Well for a Tooting loft conversion?
- Three reasons. First, accuracy: we know the SW17 stock, Victorian cut-roof terraces, Edwardian hipped semis around Tooting Bec, the Wandsworth dormer design rules, the Tooting Bec Common conservation area boundary, and the London stock brick matching that Wandsworth's planning team expects. Second, full accreditation: NICEIC for electrical (BS 7671), FENSA for glazing, Gas Safe registered for boiler relocation, structural engineer calculations, and Building Control sign-off included on every project. Third, fixed-price contracts: the quote doesn't change unless the specification does, including reclaimed brick matching, party wall surveyor fees, and any conservation area applications. Office on Limes Avenue, SE20.
All Well has completed 100+ projects across 25 London boroughs since 2020. We are NICEIC approved for electrical work, FENSA registered for glazing, and CHAS certified for site safety, with Public Liability insurance to £5 million. 57+ Google reviews average 4.5 stars. All Well Property Services® is a UK registered trademark, Companies House no. 12721034, operating from Unit 1 Limes Avenue, Anerley SE20 8QR.
Loft Conversions Near Tooting
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