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Dorset 2 Summerhouse

From £2,695
Was £3,255 | Save £560

In Production

FREE DELIVERY in England & Wales (Contact us for Scotland)
Delivery Date: Approx 4 weeks from order. Want it quicker? View our in-stock cabins
5 Year Warranty. Your new timber building is made to the highest standards
3.9m x 3.0m, Height: Under 2.5m, Wall Thickness: 34mm

Modern Design with double doors and full length windows

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  • BUILDING OPTIONS

    This log cabin kit contains all necessary timber panels, doors, windows and fixings as standard. To complete your new cabin, you will require a suitable base for installation, roof covering, and paint or varnish to weatherproof your natural timber building. Please choose from the options below to configure your cabin.


    Roof Covering

    Your new building needs protection from the elements. If you're not sourcing your own roof covering materials, take a look at what we can offer.

    Heavy Duty EPDM Rubber Roof

    Our EPDM rubber roof is recommended for all flat and pent sloping roof models and is a single sheet of rubber that comes with the glue, side and gutter trims and all of the materials needed to complete and fully seal your roof from the elements.  Our EPDM has a 50 year life approximately and is perfect for sloping roof models.


    Eco-Friendly Grid Base

    Our environmentally friendly interlocking grid base is made from recycled plastic and is the strongest plastic grid system on the market - perfect for all our timber buildings. Filled with pea shingle, it's lightweight, easy to install and helps drain water away from the base of your new timber cabin.  Add railway sleepers for a stylish finish and to retain the shingle on sloped sites.


    Insulation Kit Options for Roof and Floor

    Keep your new cabin warm all year round with our floor and roof insulation systems, designed to trap heat inside and to help you get the most use out of your new timber building, whatever the British weather!  Our kits have been tried and tested since 2011 and are classified as a warm roof system and creates a sandwich above the ceiling of your building to trap the heat inside and will reduce heating costs.  It also stops excess heat entering the building during the summer months making your new timber cabin usable all year around.  The kits have everything needed to insulate your floor and roof including, vapour control membrane, battens, insulation boards, OSB and two types of screws. Everything needed to stay warm and reduce your heating bills!


    Guttering and Downpipe

    Keep your cabin protected from water damage with our guttering systems, designed to direct rain flow away from the base of your new garden building. Add an optional water butt to conserve water ready to nurture your garden in the dry summer months.


    Professional Installation Service

    Our expert fitting team can install any building available on our website across mainland UK.  With years of experience, you can be sure that our teams will provide you with the best possible service, installing your building to the highest levels of quality and leaving you with more time to enjoy your purchase. Our hassle-free installation service covers everything you have chosen above.  
    FIND OUT MORE ON OUR INSTALLATION TAB BELOW »

    Installation Location

    Our professional installation fees are for customers within Norfolk, Suffolk, Essex and Cambridgeshire. If you're not local to us, we're still happy to come and see you, however our fees are a little higher to cover our increased costs.

    Paint

    Your cabin will require 12.5 litres of exterior treatment and 15 litres of interior treatment to protect the building in line with the manufacturer's warranty.  After you have configured your cabin, please visit our Paint & Protection page to choose from our wide selection of paints and varnishes.


Brand: Lasita|Lasita Garden Cabins Range
Categories: All Buildings, Dens and Garden Bars, Garden Rooms and Retreats, Garden Spas, Hobby and Crafting Rooms, Log Cabins, Outdoor Entertainment, Pent Roof Models, Rest and Relaxation, Summer Houses

Description

The Dorset 3.9m x 3.0m (13ft x 10ft) Log Cabin is a top choice for anyone seeking a modern garden office cabin. It brings a contemporary edge to your garden. The pent roof not only adds style but also keeps the structure under 2.5m high—often ideal for avoiding planning issues in the UK.

This cabin is crafted from 34mm interlocking timber logs, giving you a strong and weather-resistant build. The cabin includes double glazing as standard in both the doors and windows, helping to regulate temperature and reduce noise—perfect for a productive workspace. It also features a tilt-and-turn window that allows for flexible ventilation while maintaining security.  The second front window does not open but is a fixed double glazed window.

Whether you’re setting up a stylish home office, a creative studio, or simply want a place to relax, the Dorset is a versatile option. Its thoughtful design and modern features make it easy to create a comfortable and inspiring environment. This modern garden office cabin has enough space to fit a desk, seating area, or even small storage solutions.

You can also choose to build this model in reverse to suit your preferred layout, giving you greater control over its orientation in your garden. The combination of practical design and contemporary appeal makes the Dorset one of the best cabins for those who value both form and function.

If you need a modern garden office cabin that’s smart, secure, and suitable for year-round use, the Dorset is ideal.

Additional Information

  • SKU: 3419602
  • Base Size: 3.9m x 3.0m
  • Roof Style: Pent
  • Ridge Height: Under 2.5m
  • Log Thickness: 34mm
  • Double Glazing: Yes

Download Installation Instructions

Dorset 2 Installation Guide

All the information on the Warranty for this Cabin or Summerhouse can be found here in our Lasita Warranty Section.

Additional information

Building Type

,

Product Size

Medium Sized Models

Base Size Width (m)

Base Size Depth (m)

Model Footprint

Ridge Height

Wall Thickness

Floor Thickness

Door Type

Double Glazing

Fast delivery

Delivery (Weeks)

Manufacturers Warranty (Years)

Base Width Range (m)

Base Depth Range (m)

2.0m-3.0m, 3.0m-4.0m

Our Installation Service

Our expert fitting team can install any building available on our website across the UK. With years of experience you’ll be sure that our teams will provide you with the best possible service on the market. We calculate all of our installation prices based on your exact requirements, so please get in touch by either requesting a quote below or giving us a call on 01362 470075.

Don't worry if you've already purchased your timber building, we can install that too!

Find out more

❓Below are many of the Frequently asked questions we get about our range of Pent Sloping Roof Interlocking Log Cabins & Summerhouses.  Use the down arrows to the right to reveal the answers

A pent roof cabin offers a sleek, modern look with a lower profile that’s ideal near boundaries. Its single‑slope roof provides efficient rainwater runoff and allows for EPDM rubber roofing, which is long‑lasting, low‑maintenance, and leak‑free — making it a practical and contemporary choice.

EPDM rubber roofing is highly durable, long‑lasting, and weather‑resistant. It has no joins, which means it won’t leak, and it provides a clean, modern finish ideal for pent roof designs.

EPDM roofing can last 40–50 years with minimal maintenance, significantly longer than felt shingles. Cedar shingles offer a natural look but require more upkeep, while EPDM is virtually maintenance‑free.

Pent roof cabins are specifically designed for EPDM roofing, which we strongly recommend. Alternative roofing materials are not generally advised due to performance and design considerations.

Yes, pent roof cabins are a popular choice for garden offices and studios. Their modern design, efficient roofing, and insulation options make them ideal for year‑round use. They also give the internal appearance of larger space compared with a similar footprint Apex model.

Absolutely. Pent roofs are built with a slight slope to ensure effective rainwater runoff, preventing pooling and protecting the structure. Linked with our guttering options a Pent model only requires guttering at the back of the building.

Pent roof cabins are designed with a single slope roof, which naturally directs rainwater to one side. Adding guttering is optional but recommended if you want to:

  • Protect the base and walls by channelling water away from the structure.
  • Reduce dirt splashback and tidelines caused by rain hitting the ground near the cabin.
  • Harvest rainwater for garden use, as guttering makes collection simple.

Because the roof falls in one direction, guttering is only required along that single edge.

Yes, insulation is available for floors and roofs as standard upgrades. We can also provide thicker insulation or wall insulation if required.

Yes, wall insulation and additional interior cladding can be added as our best and highest upgrade.  Whilst this will significantly increase the cost of the building it will provide additional warmth. The downside to internal wall insulation is you lose the look of a timber building unless you opt for timber cladding.

Pent roof cabins are often chosen for their sleek, contemporary look. They complement modern gardens and urban spaces, whereas apex and hipped roofs offer a more traditional aesthetic.

Pent roofs provide a lower external profile, which can be useful near boundaries, while still offering generous internal headroom.

Yes, the lower height of pent roof cabins often makes them more suitable for boundary placement, helping to comply with planning regulations.

Our cabins are available in a variety of log thicknesses to suit different needs. Thicker logs provide greater strength, insulation, and durability, while thinner logs are ideal for budget‑friendly summerhouses. The thickness of the logs is shown in the individual product specifications, but we have models that have 28mm, 40mm, 44mm 68mm and 70mm interlocking logs.  If you need thicker logs, please contact us as we can product buildings using a bespoke service.

You can select from full‑length windows, ¾ height windows, or ½ height windows depending on the model. Each style offers a different balance of light, privacy, and aesthetics.

Most of our cabins are supplied with premium sealed double glazing for excellent insulation and energy efficiency. Budget models may come with single glazing, which is clearly listed under the specifications tab.

Standard options include single solid doors, single half‑glazed doors, double doors, wooden bifold doors, and sliding doors. On selected models, you can upgrade to UPVC doors and windows for enhanced security and low maintenance.

Optional Insulation is available on most pent, apex, and hipped models unless otherwise stated. We also offer upgrades to thicker insulation or wall insulation if you require year‑round comfort.

As everyone has difference budgets and requirements, we have asked customers how they prefer to see the breakdown of the prices and we feel this is the most transparent way.  Customers can select the individual components to build their own package which is priced individually so you know what you are getting.  Nothing hidden.

All cabins come with a manufacturer’s warranty covering structural integrity and materials. Full details are provided with each product.

In most cases, summerhouses fall under permitted development rights and do not require planning permission. However, this depends on size, height, and placement, as well as your location, so we recommend checking with your local authority.

Delivery times vary depending on the model and your location. Installation can typically be completed within a few days once the base is prepared. If you need a building urgently then please contact us and we may be able to recommend a model available for immediate shipment.

Yes, many models allow customization. Speak to our team about adding extra doors, windows, or other upgrades.

We recommend treating the timber with a high‑quality timber treatment and we recommend Sadolin for its quality, ease of application and longevity. Regular re-application of timber treatment and checks on roofing and glazing will help maintain performance.

Many customers choose to assemble their cabins themselves using the provided instructions. We also offer professional installation services with our own employed installation team if you prefer a hassle‑free experience. Many customers prefer us to install their building especially as they may not have the technical ability, experience or tools required.  Our teams are very experienced and offer a very high quality of service backed with years of many exceptional reviews. If you are using a third-party fitter, then take care to ensure they have the correct experience.  As our fitters are all directly employed by Cabins Unlimited, we are best placed to install your building. Check if your cabins supplier has their own team as many outsource with negative consequences should something go wrong. Not something you will experience with Cabins Unlimited!

A solid and perfectly level base is essential for any interlocking summerhouse or log cabin. We recommend our Eco-Base Plastic Grid System called Probase owing to it allowing water to drain away from the base of the building but other alternatives including concrete pads, paving slabs, or a timber frame foundation to ensure stability and longevity.

All doors and windows are fitted with quality locks. UPVC upgrades provide additional security and peace of mind.

Yes, with insulation upgrades and a suitable heating source, your cabin can be enjoyed comfortably throughout the year.  Please talk to us about our range of air conditioning options that are perfect and cost-effective ways of heating and cooling your building throughout the year.

We offer flexible payment options on many models. Please check the product page or contact our team for details.

Dorset 2 34mm Summerhouse from Cabins Unlimited Installation Guide (722 KB)
Dorset 2 from Cabins Unlimited Product Specification Sheet (3 MB)
Generic Lasita Product Installation Advice Guide (20 MB)
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Why Buy From Us

We’re Experts in our Field

We have over 25 years’ experience in providing exceptional timber buildings – meaning you get expert advice and quality workmanship from one of the best names in the business.

Price Match Promise

We keep our prices competitive, with great package deals all year round. If you find the same in stock building cheaper from a UK supplier, we’ll match their price. Simple.

Excellent Customer Service

We’re rated as EXCELLENT on Trustpilot, with an average review score of 4.9/5 from verified customers.

Local Display Sites

With three display sites across Norfolk, you can see the quality of our buildings before you buy.

Professional Installation Service

We don’t just supply timber buildings, we install them for you too – using our own, directly employed professional installation team.

Comprehensive Warranties

Our timber buildings are constructed to the highest standards, backed by manufacturer warranties for your peace of mind.

Free Delivery

Our timber building prices include FREE delivery to England and Wales, with other delivery locations available on request.

Responsibly Sourced Timber

We work exclusively with manufacturers who are FSC certified – ensuring that the timber in our buildings comes from responsibly managed forests.

Family Run Business

Cabins Unlimited is an independent, family-run business, where we treat every customer like one of our own.

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