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Craftsman Offset Summerhouse


Craftsman Offset Summerhouse


So you’ve made the decision, it’s time to take the leap and invest in your work life balance, leave behind the battles of the corporate office environment, the fight for parking then the Que for the morning coffee fix, enough is enough and United Garden Buildings Avanti garden offices are designed to ensure you that you made the right one.
Designed & manufactured to comply with Garden Building planning regulations. We offer an array of products and services to suit your needs, everything from the building layout to the finishing touches, all in one place saving you time and money on your investment.


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SKU: craftsman-offset-summerhouse Categories: , , ,

Craftsman Offset Summerhouse

From our premium summerhouse range, the craftsman offers an abundance of internal space with this particular
building having the doors offset to the left or right gives you useable space without hindering the entrance to
your building.

What’s included?

  • Pressure Treated Throughout
  • Quality Tongue And Groove Construction
  • Machined Shiplap Cladding 11mm Or 16mm Thick
  • T&G Floor In Optional Thicknesses
  • Styrene Glazed With Double Glazing And UPVC Upgrades
  • Mineral Felt Roof Cover, Shingles Or EPDM Available
  • Modular Design, Available Insulated For Year-Round Use
  • Fast, Free Delivery Within 5-10 Working Days
  • Flat Packed DIY Or Expert Assembly Service
  • All Fixtures And Fittings
  • 15 Year Anti-Rot Guarantee


•Eaves Height = 2m •Ridge Height = 2.47m •Door Height = 1.87m •Door Width = 77.4cm •Door Opening Height = 1.87m

•Door Opening Width = 1.55m •Window Width = 65cm •Window Height = 1.21m


Fully Pressure Treated for maximum protection against the elements, unlike conventional wood treatment methods that only treat the surface of the timber.

Pressure Treatment is the process of how the wood is treated. A large pressurised vessel is filled with all the timber components used in this building, the tank extracts all air and replaces with the treatment. This treatment is then forced deep into the grain of the wood to give maximum protection.

This Treatment leaves a light green finish to the wood, over time this green colour fades to a golden brown. You can still paint your garden building in a colour finish of your choice but know you have peace of mind for many, many years that your building has the best possible treatment.

Door & Window Options

The entry-level choice for the craftsman range is Styrene Glazing, a shatterproof plastic material ideal for use in buildings where safety needs are to be considered.

One of the more popular upgrades in our garden buildings is the Timber Frame Double Glazing Upgrade, perfect for light everyday use as a summerhouse or garden office. Quality toughened glass is used.

UPVC is the ultimate upgrade for the craftsman range. Taking this premium Summerhouse into the realms of a high-quality Garden Room especially when accompanied by the insulated upgrade option for this building. Available in 4 colours, maintenance-free and long-lasting.

Fully Insulated

We use high-quality Multi-foil Insulation allowing you to comfortably use your Garden Building all year round.

The reflective Multi-foil Insulation blanket keeps maximum heat in the building during the cold winter months and reflects heat from outside during the warm summer months keeping you cool.

One of the leading insulation products on the market a single layer of the Multi-foil insulation gives you over 2.0m2k/w Thermal Resistance equivalent to 120mm of fibreglass insulation and 50mm of a rigid board such as Kingspan/Celotex

The insulation comprises of 6 layers of Thermo-Wadding, Breather Foam and Reflective Foil.

Internal Lining Board

Smooth to touch 9mm vertical patterned Internal Cladding board finished with skirting and architrave.

All internal cladding components are white primed ready for painting. ​​​​​​​​​​​​​​


The Craftsman building comes as standard with 11mm Tongue and Groove Floor, ideal for light everyday use.

For more intense use we recommend the 19mm T&G Floor Thickness upgrade, best used for heavy furniture or office equipment. we would also recommend this option when putting a floor covering down such as our Laminate Flooring options.

If you plan to have very heavy equipment in your building then we really recommend the ultimate 28mm T&G floor upgrade, by far the best choice for a home gym or heavy workshop equipment.

Laminate Flooring

We offer a high-quality AC5 commercial rated 12mm engineered laminate flooring finish upgrade on all of our premium garden buildings, available in 4 stylish colours Dark Grey, Dark Oak, Natural Oak and Light Grey. Installed with foam insulated underlay not only giving your building a quality, ready to go finish but also additional insulation on your floor.

A textured surface follows the grain markings beneath, giving this flooring an incredibly realistic wood appearance and natural feel, the modern 5G click and lock system ensures a tight fixed installation giving extended product quality assurance.

Weather Protection

Mineral felt roof covering is supplied as standard with the Craftsman Range.

For a Superior, decorative upgrade we offer you the Felt Shingle upgrade. this gives a square cut tile effect finish that not only enhances the weather protection for your roof but also enhances the appearance of your building.

We highly recommend the firestone EPDM Rubber Roof upgrade for this building. A 25-year manufacturer guarantee gives you total peace of mind when it comes to weather protection.

By far the best choice when it comes weather protection a seamless finish is a key feature, no joins or overlaps for water to penetrate into your building, installed using specially formulated adhesive without the need for nails piercing the protective covering.


The most important aspect of any building is the foundation. A solid, flat, level base is needed for your building to be assembled on.

United Garden Buildings offer a Timber Frame Base supply and installation service. We use quality C24
rated 6×2 pressure treated timber frame fixed to 4×4 posts, only the highest quality pressure treated
timber is used for maximum longevity. This service is far more cost-effective than the standard concrete
option saving you not just money but time, with no need for excavating, installation of aggregates or
the install of costly concrete our Timber Base is installed on top of the existing ground raising your
building allowing good airflow beneath protecting against moisture and standing water, a typical pitfall
of a concrete base, thus increasing the longevity and performance of your new Garden Building.


Along with the timber base we supply, we can extend to add a decking area to the front of your building. We use hand-selected Pressure Treated Timber Decking of the highest quality.

We offer 3 standard-sized areas along the front of the building and out 4ft, 6ft and 8ft, we can supply an area to your specific dimensions simply contact us for a quote


The Craftsman Buildings are supplied flat packed with instructions for self-build assembly. It would take two people with advanced DIY skill approximately 1-2 days to assemble this building to a good standard.

Expert Assembly Service

Save yourself time and money with our expert assembly service along with solidifying the 15 years guarantee.

Our assembly teams have a vast knowledge of our full product range with heavy involvement in the actual design of the products we supply. Our teams Assemble our buildings nationwide on a daily basis.

Our guys have these buildings assembled within 1 day. If you opt for the Insulated Upgrade the Assembly from start to finish takes our teams 2 days.

With this service, we give a 12 months workmanship guarantee.

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