Outdoor Living & Spa Environments

The structural calculations for a hot-tub deck are straightforward but non-negotiable. A typical 4-person hot tub holds around 1,000–1,200 litres of water. Water weighs 1 kg per litre, so the water alone represents 1.0–1.2 tonnes. Add the shell weight (150–300 kg) and the occupant load (assume 4 persons at 80 kg each = 320 kg), and total design loads of 1.5–1.8 tonnes localised over the tub's footprint are normal. This is equivalent to a vehicle parked on your deck — and the structure must be designed accordingly.

We size joists and bearers using span tables that account for this concentrated load, typically using larger timber sections (47 × 195 mm C24 joists at closer centres, or steel or engineered timber bearers beneath the tub position) and a greater number of posts than a standard deck of the same area. Foundation pads beneath hot-tub supporting posts are sized for the ground-bearing pressure on your specific soil type. All of this is calculated and documented, so you have a deck that will perform safely for the life of the tub without board creep, deflection or structural movement.

We supply hot tubs from a curated range of manufacturers whose products we have vetted for build quality, energy efficiency and after-sales support. Modern hot tubs should have full foam insulation (not air-gap insulation), a well-designed filtration and sanitation system, a minimum 5-year warranty on the shell and 2 years on components, and an energy consumption that is realistic for year-round Devon use. Cheap imported tubs that appear attractive on price are often poorly insulated, expensive to run and difficult to service — we will not supply a tub we would not stand behind.

Installation covers delivery-route assessment and tub positioning (access for a 2-tonne tub is often the hardest part of the project — narrow gates, steps and soft ground are common in Devon gardens), connection to a dedicated 32-amp or 63-amp supply run from the house consumer unit by a registered electrician, filling and commissioning, and a full handover including chemical start-up and operational briefing. Where required, we coordinate with your electrician or introduce a trusted local contractor.

Devon's position on the Atlantic-facing coast of South West England means pergola structures are subject to wind loads that are significantly higher than the national average, particularly on elevated sites and within 5 km of the coast. A pergola that would be perfectly adequate in a sheltered Midlands garden can fail structurally in an exposed Devon location. We specify structural timber members (typically 150 × 150 mm or 175 × 175 mm post sections for freestanding pergolas, with 100 × 175 mm or larger rafters) and use hot-dip galvanised post bases and structural connectors rated for the exposure category of your site.

Timber species matter on Devon's coast. Pressure-treated softwood is the standard choice for cost-effectiveness, but at coastal sites within a kilometre or two of the sea we recommend naturally durable hardwood species (oak, Iroko, or Siberian larch) or a high-specification TANALITH E-treated softwood used with stainless-steel fixings throughout. We do not use standard zinc-plated fixings on coastal pergolas — salt air corrodes them within 2–3 years, compromising both structural integrity and appearance.

Privacy is the most requested functional addition to a hot tub installation — and it makes sense. A hot tub in an open garden is a different proposition from a spa sanctuary enclosed by thoughtfully designed screening. We build privacy screens from pressure-treated framing with infill options including vertical timber battens, composite board panels, trellis, or UV-stable polycarbonate. Screen heights are calculated to provide effective privacy at the viewing angles relevant to your specific garden boundary and neighbouring properties, rather than simply building to a standard height.

Outdoor lighting transforms a hot tub installation from a daytime feature to an evening destination. We integrate LED strip lighting under balustrade cappings, pendant-style filament lights hung from pergola rafters, and directional spotlights recessed into decking boards or mounted on pergola uprights. All external lighting is rated to IP44 or IP65 as appropriate for its position, supplied from a weatherproof exterior circuit breaker, and controllable via a remote or smart-home system if required. Lighting design is discussed at survey and included in the project quotation — not added as a last-minute extra.