JJTMB Planning Package - Rear Extension

✅ Measured survey

✅ Floor plans, elevations, roof plan

✅ Location & site plan

✅ One round of design revisions

✅ Planning submission

➡️ From £1,200 (excluding council fee)

Our Services

At JJTMB Planning + Design, we provide clear, design-led planning support for residential projects in South London — especially focused on helping homeowners through the planning process with confidence and clarity.

We specialise in planning drawings for extensions, loft conversions, and home alterations — with a human-centered approach to design, and a straightforward, supportive process.

Icon representing measured building survey for home extension projects in South London — typically used to create accurate planning and design drawings for renovations and conversions

Site Visit & Measured Survey

For typical terraced / semi-detached homes.

Site Visit & Measured Survey | £250 - £500

Icon representing planning application submission services for home extensions in South London — helping local homeowners navigate council approvals and extend their properties with confidence.

Planning Drawings (Design + Layouts)

Includes floor plans, elevations, site plan

Planning Drawings (Design + Layouts) | £800 - £1,500

Icon representing planning drawings for home extensions and renovations in South London — supporting homeowners with detailed floor plans, elevations, and layout designs for council approval.

Planning Submission (Forms & Liaison)

Can be bundled with drawings + Full Householder Planning Application Fee (paid to council) | £258 | Southwark Council standard rate

Planning Submission (Forms & Liaison) | £150 – £300

Icon representing 3D architectural visualisations for South London home extensions — helping homeowners visualise layouts, materials, and space before planning submission or construction.

3D Visualisations (optional)

Helpful for design approval or presentation

3D Visualisations (optional) | £200 - £600

BOOK YOUR FREE CONSULTATION

"JJTMB made the whole planning process feel simple. They took the time to understand how we live, and the design feels like it’s truly ours — not just something off the shelf."

— Homeowner, East Dulwich Rear Extension

Contemporary rear home extension in South London featuring wooden kitchen cabinets, marble island, large glass doors, and polished concrete floors — designed with a forward-thinking, cost-conscious approach for modern family living.

More Project Types

We also provide design + planning packages for:

Loft Conversions

Typical Fee Range: £1,200 – £1,800

Includes survey, full set of drawings, and planning submission

Can include hip-to-gable or dormer layouts

Side Extensions

Typical Fee Range: £1,200 – £1,600

Especially suited to wraparound or L-shaped rear/side builds

Includes tailored design to suit site constraints and neighbour impacts

Full Refurbishments / Internal Reconfigurations

Fee Range: Quoted based on scale and complexity

Includes space planning, design iterations, and drawing packages for planning