Residential • Commercial • Bespoke Services

From Planning to Aftercare

Areas /South London / Streatham
SW16

Loft Conversions in Streatham

rcbGroup works across Streatham, Streatham Hill, Streatham Common, and the SW16 postcode area, delivering loft conversions, rear extensions, full house refurbishments, and structural alteration works for homeowners investing in one of south London's most substantial residential communities. Streatham has a wide and varied housing stock — Victorian terraces and Edwardian semis in the streets between Streatham High Road and Tooting Bec, larger Edwardian villas

Loft conversion bedroom with rooflights, fitted storage and full-height glazing — rcbGroup projectrcbGroup project
✓ Written contract before start✓ 10/10 on Checkatrade · 117+ reviews✓ Building Control managed✓ Planning to aftercare

Loft Conversions in Streatham — what to expect

Streatham's Victorian and Edwardian terraces support rear dormer conversions well. Larger Edwardian properties often support L-shaped or hip-to-gable schemes that create more generous loft accommodation. We deliver the complete scope — structural floor, dormer, insulation, roofing, staircase, plumbing and electrics, plastering, and internal fit-out.

Streatham property types

across SW16 means there is strong demand across multiple project types, from single rear dormer conversions through to full design-and-build packages. The property type affects which loft conversion approach works best — we'll advise from the first call.

Common loft conversion projects we deliver in Streatham

✓Rear extension
✓Loft conversion
✓Full house refurbishment
✓Structural alterations
✓Side return extension

How we deliver loft conversion projects in Streatham

01

Project review & site visit

We look at your Streatham property and any drawings you have, explain what's possible, the likely planning and Building Regulations route, and the risks — before you commit to anything. No obligation.

02

Design & planning support

We work alongside your architect or our preferred design partners to develop drawings that are buildable, compliant, and cost-effective. We flag planning and permitted development options early.

03

Itemised scope and price

You receive a detailed, itemised scope of works and an agreed price before we start, with exclusions and provisional sums shown. Variations are agreed in writing before any additional work begins.

04

Managed delivery

We coordinate trades, procurement and site logistics, with a single point of contact throughout — working to the requirements of Local Authority and Building Control.

05

Sign-off & handover

We coordinate the Building Control inspections needed for sign-off, then hand over your project documents — completion certificate, guarantees and manuals as applicable — with snagging and aftercare as set out in your contract.

Planning in Streatham

**Full house refurbishments.** We manage comprehensive whole-house refurbishments for Streatham homeowners — structural alterations, rewiring, new heating systems, kitchens, bathrooms, flooring, and decoration in a properly sequenced programme. **Structural alterations.** Through-room configuration

Why choose rcbGroup in Streatham?

Local context

We plan around Local Authority's requirements and the typical property types in Streatham — across sw16 means there is strong demand across multiple project types, from single rear dormer conversions through to full design-and-build packages.

Price agreed before start

Your price is agreed and documented before work starts. Scope, exclusions, and assumptions set out in writing.

One accountable team

Trades, suppliers and inspections coordinated by one team — with CDM Principal Contractor duties taken on where we are appointed to build.

Written project documentation

A written contract before work starts, a Construction Phase Plan where we are appointed to build, and the completion certificate and handover documents gathered for you at the end.

Independently reviewed

Rated 10/10 from 117+ reviews on Checkatrade, where you can read them for yourself.

Support from planning to aftercare

We don't just build — we can support design development, planning applications, and pre-construction cost planning.

Planning a loft conversion in Streatham?

Pick whatever suits you. We'll look at what you have (drawings, photos or quotes) and tell you honestly what the next step should be.

Prefer to phone? Call +44 7359 872594.

Postcodes served: Streatham

Not sure if we cover your street? Get in touch — we'll confirm in minutes.

SW16

Start your Streatham project

Project review. Clear scope. Agreed price. One team from first call to Building Control sign-off.

Or call us on +44 7359 872594

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