Icon showing the number of people currently viewing the item

12 people are viewing this item right now

5M X 3M(D) Insulated Garden Room With Side Shed

£17,547.97 £11,699.97

You save: £5,848.00 33% Off

Free Installation Service (Wooden Buildings).
Free Insured Shipping.
10 Year Anti-rot Guarantee.
Manufactured in the UK.
Reasonable Price

Product variants

Quantity

Delivery Truck Made to Order: Ready in 3-5 days, Arrives within 5 days.

Secure Checkout

14-Day Returns

24/7 Support

What size is this insulated garden room with side shed?

This is a 5m x 3m garden room with a 1m x 3m side shed. Total size is 5m x 3m, also called a 5 x 3 garden room or 5m x 3m insulated garden room.

What’s the main room size?

The main living area is a 4m x 3m garden shed or garden room 5m x 3m. It’s a 5m x 3m garden office with insulated garden office with storage attached.

What storage does this garden room with side shed offer?

This garden building with side shed includes a 1m x 3m side shed. It’s a garden room with side storage ideal for bikes and tools. A true garden room with storage.

Is this a 5m x 3m summer house or garden room?

This is a 5m x 3m insulated garden room, not a basic summer house. It’s a garden office 5m x 3m with fully insulated walls, floor and roof.

Can I use this as a garden room with side shed uk for working?

Yes, the main 5 x 3 garden sheds area is a snug living space. It’s perfect as a garden office with side shed for work and storage combined.

What’s the difference between this and a 5m x 5m garden room?

This is 5m x 3m, smaller than a 5m x 5m garden room. The space comparison shows this gives you 4m x 3m living plus side storage.

Does this insulated summer house with side shed include installation?

Yes, this 5m x 3m insulated garden room with side shed includes installation for FREE!

View full details

Create your dream extended living space with a spacious and airy 5 x 3m Insulated Garden Room with Side Shed.

A roomy 4m x 3m Garden Room provides a snug, yet long living space ideal for relaxing, work or hobbies. If you'd like to take your work away from your home, but don't fancy a commute, an Insulated Garden Room is an ideal option.

In addition to a new living space, the added bonus of a practical 1m x 3m side shed creates additional storage space without adding more clutter to your home. Ideal for garden equipment, DIY tools, bikes and childrens' toys.

The 72mm thick double skinned walls, double glazed windows and fully insulated roof, floor and walls mean this Insulated Garden Room with Side Shed is ideal for all year-round use.

The flat roof creates a contemporary silhouette in your garden, whilst promoting excellent rain water run-off, helping keep your building dry for many years to come. The roof is covered with high-grade mineral felt.

Mercia Insulated Garden Rooms are manufactured here in the UK, using sustainably sourced and regulated timber. With free installation included, you can sit back and relax whilst we create a whole new space for you to enjoy.

Please Note: The price of this item includes full installation of the building into your garden. A firm and level base is required for this, either made of solid concrete or concrete slabs. It is recommended that the floor of this garden room is further covered by either carpet or laminate to reduce wear on the matchboards.

Please Note: These Insulated Garden Rooms are NOT pre-treated or painted. Application of wood preservative is also not part of the home installation service. In order to qualify for our 10 year anti-rot guarantee the building must be annually treated with a high quality spirit based wood preservative.

Specifications

Imperial Size: 17 x 12
Treatment Type: Untreated
People Req'd To Build: Fully Fitted
Guarantee: 10 Year Guarantee
Cladding: Shiplap+
Roof Material: Tongue and groove
Floor Material: Tongue and groove
Roof Type: Pent
Door Style: Double Door
Building Type: Garden Room
Metric Size: 5m x 3m
Under 25: Yes

Dimensions

Width: 16' 11" / 5.17m
Depth: 12' 7" / 3.84m
Eaves Height: 7' 2" / 2.19m
Ridge Height: 7' 10" / 2.39m
Door Width: 4' 11" / 1.51m
Door Height: 6' 0" / 1.85m
Floor Width: 16' 10" / 5.14m
Floor Depth: 10' 3" / 3.14m

Installation Service

Sit back and let us do the hard work! Our installation service is designed to not only save you valuable time but also take the work of moving and constructing the building off your shoulders. Our fully trained, expert fitters work professionally and carefully to ensure that your new garden building is constructed safely and to the highest industry standards.

And don't worry, we make sure to clean up afterwards, taking away excess packaging and leaving you to enjoy your new building.

Learn more at: https://www.gardenarch.co.uk/pages/installation-service

Home Delivery

We offer a fast, free and reliable home delivery service with every order to most UK postcodes. With the ability to pick-a-day that suits you and your schedule, there's no need wait around for days on end.

Our friendly and punctual delivery drivers will deliver your building within 7 - 10 working days of purchase at the front of your property. All of our products are delivered flat packed, to ensure it is easy for you to move the product from the delivery location to the build site.

On the day of delivery you'll be given a two hour delivery slot and our driver will keep in contact with you, so you can make the most of your day.

Learn more at: https://www.gardenarch.co.uk/pages/delivery

Why Choose GardenArch?

See how we compare to other garden arch providers

Features	GardenArch BEST CHOICE	Other Brands	DIY Options
Pricing	✓ Fair, transparent pricing	✗ High costs + hidden fees	✗ Hidden expenses
Shipping	✓ Free	✗ Paid (£100+)	✗ Self-arranged (time + fuel)
Installation	✓ Free professional service	✗ Paid (£500+)	✗ Skill/time required
Material Quality	✓ Premium, durable	✗ Cheap, prone to rot	✓/✗ Depends on builder
Origin	✓ Made in UK (high standards)	✗ Imported (China)	✗ Unverified sources
Anti-Rot Guarantee	✓ 10-year warranty	✗ 1-5 years (weak)	✗ No guarantee
Convenience	✓ All-inclusive, hassle-free	✗ Extra fees + delays	✗ Unpredictable results

GardenArch
BEST CHOICE

Pricing

✓ Fair, transparent pricing

Shipping

✓ Free

Installation

✓ Free professional service

Material Quality

✓ Premium, durable

Origin

✓ Made in UK (high standards)

Anti-Rot Guarantee

✓ 10-year warranty

Convenience

✓ All-inclusive, hassle-free

Other Brands

Pricing

✗ High costs + hidden fees

Shipping

✗ Paid (£100+)

Installation

✗ Paid (£500+)

Material Quality

✗ Cheap, prone to rot

Origin

✗ Imported (China)

Anti-Rot Guarantee

✗ 1-5 years (weak)

Convenience

✗ Extra fees + delays

DIY Options

Pricing

✗ Hidden expenses

Shipping

✗ Self-arranged (time + fuel)

Installation

✗ Skill/time required

Material Quality

✓/✗ Depends on builder

Origin

✗ Unverified sources

Anti-Rot Guarantee

✗ No guarantee

Convenience

✗ Unpredictable results

GardenArch in The News

Our Recent Press Mentions

The Installation Service Process

Why Choose Us?

Free Pick A Day Delivery
Free Installation Service
100% Made in UK
10 year Anti-Rot Guarantee
100% Satisfaction Guaranteed

1 5

Your cart is empty

Your cart

Estimated total

5M X 3M(D) Insulated Garden Room With Side Shed