We collected the most common queries from readers and put together clear, honest answers about how Sankra works in practice.
Sankra is a name that keeps coming up when people talk about garden rooms, outdoor offices, and flexible spaces at home. But what exactly is it? How does it work? And is it right for your garden? Below, we answer the questions we hear most often, with practical detail you can use.
What Exactly Is Sankra?
Sankra is a concept and service focused on creating high-quality garden rooms and outdoor buildings. Rather than a single product, it covers the design, build, and installation of insulated, year-round usable structures. Think of it as a specialist approach to turning unused garden space into a functional room — whether that’s an office, studio, gym, or guest space.
The key difference from a standard shed or summerhouse is the level of insulation, glazing, and finish. Sankra-style builds are typically designed to be comfortable in both winter and summer, with proper heating, electrics, and structural integrity.
How Long Does Installation Take?
Most garden rooms of this type are installed in a matter of days, not weeks. A typical project can be completed in 2–5 days on site, assuming the base is ready and access is straightforward. However, the full process — from initial consultation to finished room — usually takes a few weeks because of design, planning (if needed), and manufacturing lead times.
Factors that affect timing include:
- Size and complexity of the design
- Ground conditions and base preparation
- Whether planning permission or building regulations approval is required
- Access to the garden (narrow gates, slopes, etc.)
- Current demand and scheduling
It’s always worth asking for a realistic timeline in writing before you commit.
Do I Need Planning Permission?
In many cases, a garden room can fall under permitted development rights in the UK, meaning you don’t need to apply for planning permission. But there are limits. Typically, permitted development applies if the building is single-storey, under 2.5 metres tall (or 4 metres for a dual-pitched roof), and doesn’t cover more than half the land around the original house.
However, rules vary by location — especially in conservation areas, Areas of Outstanding Natural Beauty, or if you’re in a listed building. If you’re unsure, check with your local planning authority. A reputable installer should guide you through this, but the responsibility is ultimately yours.
How Much Does a Sankra Garden Room Cost?
Costs vary widely depending on size, specification, and site conditions. As a rough guide, a basic 3m x 3m garden room might start around £12,000–£18,000, while larger or higher-spec builds can exceed £30,000. The price usually includes design, materials, construction, and basic electrics, but always confirm what’s included.
Factors that push costs up include:
- Larger footprints and higher ceilings
- Premium cladding, flooring, or glazing
- Underfloor heating, air conditioning, or smart lighting
- Difficult groundworks or long cable runs for power
- Planning application fees and professional drawings
It’s wise to get at least three quotes and check whether VAT is included.
Is a Sankra Garden Room Suitable for Year-Round Use?
Yes — that’s the whole point. Unlike a shed, a properly built Sankra garden room is insulated in the floor, walls, and roof, with double or triple glazing and a draught-proof door. With a small heater or air conditioning unit, it can be used comfortably in all seasons. Many people run offices, therapy rooms, or gyms in them without issue.
That said, you’ll need a reliable power supply. Most garden rooms run off a armoured cable from the main house, with its own consumer unit. Some people add solar panels or battery storage if the run is long or they want to be more energy-independent.
How Do I Maintain a Sankra Garden Room?
Maintenance is minimal but not zero. Here’s what to keep an eye on:
- Cladding: Wood may need re-oiling every 1–3 years; composite is virtually maintenance-free.
- Roof: Check for debris and ensure drainage is clear, especially after autumn.
- Gutters: Clean annually to prevent water ingress.
- Seals: Inspect door and window seals for wear.
- Electrics: Have a qualified electrician check the supply every few years.
With basic care, a quality garden room should last 20–30 years or more.
Can I Use a Sankra Garden Room as a Home Office?
Absolutely. In fact, home office is one of the most popular uses. The key is ensuring good internet connectivity — either by running an Ethernet cable from the house or using a mesh Wi-Fi system that reaches the garden. Also consider heating, lighting, and ventilation to make it a pleasant place to work daily.
Some people claim tax relief for a home office, but rules are strict. Speak to an accountant before assuming you can deduct costs.
What About Insulation and Energy Efficiency?
A well-built Sankra garden room uses rigid foam insulation or mineral wool in the walls, floor, and ceiling, often achieving U-values better than many houses. Combined with high-performance glazing, this means low heat loss. You won’t need to run a heater constantly — a small 1–2 kW heater is usually enough to take the chill off in winter.
If you want to maximise efficiency, opt for triple glazing, underfloor heating, and a reflective roof membrane.
Final Thoughts
Sankra garden rooms offer a flexible, durable way to add space without moving house. The key is to work with experienced installers, understand the planning and cost implications, and specify the build for your intended use. If you’re in Yorkshire, there are local specialists who can guide you through the process from start to finish.