⭐ 9.96/10 Checkatrade
📞 07359 872594
SE21, SE22

Loft Conversions in Dulwich

Dulwich is one of South East London's most desirable locations — large period houses, excellent schools, and significant green space. The housing stock in SE21 and SE22 tends to be on larger plots than typical inner London, giving good scope for extensions. RCB Design & Build delivers extensions, loft conversions, and full refurbishments across the Dulwich area.

✓ Fixed-price guarantee✓ Up to 25yr structural warranty✓ Checkatrade-verified✓ FMB & TrustMark registered✓ Principal contractor

Loft Conversions in Dulwich — what to expect

Large Victorian and Edwardian houses in Dulwich often have generous roof spaces well-suited to full loft conversions with multiple rooms. Mansard conversions are common on the more central Victorian terraces. Hip-to-gable conversions suit the Edwardian semis across SE22. The scale of Dulwich properties means loft conversions often include two rooms plus a bathroom — significantly adding to the property's accommodation.

Dulwich property types

Large Victorian and Edwardian houses, detached and semi-detached family homes, mansion blocks, period conversions. The property type affects which loft conversions approach works best — we'll advise from the first call.

Common loft conversions projects we deliver in Dulwich

Large rear extension with full-width sliding doors
Double-storey rear extension
Full mansard or dormer loft conversion
Full house refurbishment with heritage finishes
Structural reconfiguration with ground floor open-plan conversion

How we deliver loft conversions in Dulwich

01

Free consultation & survey

We visit your Dulwich property, assess what's possible, and give you a fixed-price indication 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

Fixed-price contract

You receive a detailed, itemised scope of works and a fixed price before we start. No surprises mid-project. Variations are agreed in writing before any additional work begins.

04

Managed delivery

We manage all trades, procurement, and site logistics. You have a single point of contact throughout. Our site teams are familiar with Dulwich and the local planning and building control requirements.

05

Sign-off & warranty

We complete to building regulations standard and obtain all relevant sign-off. Your structural warranty covers up to 25 years.

Planning in Dulwich

Dulwich Village is a designated conservation area with strict planning controls. SE21 and SE22 contain several other conservation areas. Southwark Council applies detailed design requirements in these areas. Many trees in the Dulwich area are protected by Tree Preservation Orders. Check conservation area and TPO status before proceeding with any external works.

Why choose RCB Design & Build in Dulwich?

Local knowledge

We work in Dulwich regularly. We know the planning authority, local building control, and the typical property types and challenges in this area.

Fixed-price guarantee

Your price is fixed before work starts. We absorb material and labour cost movements — not you.

Full principal contractor service

We manage every trade, every supplier, every inspection. You deal with one team from start to finish.

25-year structural warranty

All structural work is covered under our long-term warranty. Proof of quality, in writing.

Checkatrade-verified

Over 100 verified reviews from homeowners across London. Independently verified, not self-reported.

Design-and-build capability

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

Start your Dulwich project

Free consultation. Fixed price. 25-year warranty. One team from first call to final sign-off.

Or call us on 07359 872594

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