Loft Conversions & Extensions in South London
Need more space without the upheaval of moving house? Techneco designs and builds energy-efficient loft conversions and extensions for homes across South London — adding real living space and long-term value, with sustainability built in from the first design sketch rather than bolted on afterwards.
Loft Conversions, South London
Whether you're starting from a blank patch of grass or reworking a garden that's stopped working for your family, we take the time to understand how you actually want to use the space — entertaining, growing, relaxing, or all three — before we design around it. From paving and decking to planting schemes, lighting and irrigation, we manage the full project so you're not juggling separate tradespeople.
House Extensions, South London
Whether you're extending into the side return, adding a rear extension, or reworking your ground floor layout, our team designs around how your family actually lives, then builds to a high standard of craftsmanship — with energy-efficient materials and insulation as standard wherever we can.
Why South London Homeowners Choose Techneco for Extensions & Loft Conversions
Local team, based in and working across South London since 2010
One point of contact from design through to build — no juggling separate architects and contractors
Energy-efficient materials and insulation considered from the design stage, not as an afterthought
Clear timelines and communication, so you know what's happening and when
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Tabbener Cook House
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Kitchen Extension
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Kitchen Extension
