3m x 4m Mercia Thorpe Gazebo with Vertical Rails - Pressure Treated

click to enlarge
3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - In Situ
  • 3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - In Situ
  • 3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - Angle View
  • 3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - Side View
  • 3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - Front View
  • 3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - Dimensions
  • 3m x 4m Mercia Pressure Treated Gazebo With Vertical Rails - Footprint

Key Features

Pick a delivery date

Pick a delivery date

This service means a quicker delivery date when ordering with elbec


15 Year anti-rot guarantee
15 Year anti-rot guarantee

Pressure Treated

Pressure Treated

Long-lasting protection against rot and fungal decay. No treatment is required,

3m x 4m Mercia Thorpe Gazebo with Vertical Rails - Pressure Treated

Save £340.00
NEW - Guarantee - 15 year - gold

Product Code - 20070017


write the first review

Usually delivered: Use Pick A Day delivery below for your earliest delivery date to your Post Code.

excludes installation option

Your choices:

  • 3m x 4m Mercia Thorpe Gazebo with Vertical Rails - Pressure Treated£1,649.99


            The Mercia 3m x 4m Thorpe Gazebo With Vertical Rails redefines outdoor living, merging expansive space with intimate privacy. This model stands out with its vertical railings, providing a secluded retreat in your garden for various activities. Whether creating an al fresco dining area, a tranquil space for relaxation, or a luxurious hot tub enclosure, this gazebo caters to all your needs with style and versatility. The enhanced size facilitates greater flexibility, making it an ideal choice for hosting gatherings or enjoying quiet moments in privacy.

            The garden gazebo features a high-quality tongue & groove roof topped with mineral roofing felt, offering superior resistance against the elements. This is complemented by the structure’s strong 4x4” posts and 1.5x5” interlocking beams, ensuring a stable and durable addition to your garden. Designed with ease of assembly in mind, this gazebo allows for a quick and straightforward setup, inviting you to enjoy your outdoor space with minimal delay.

            Proudly crafted in the UK from pressure-treated, sustainably sourced timber, the Thorpe Gazebo is a testament to quality and sustainability and guarantees long-lasting protection against rot, insect damage, and decay. It includes a 15-Year Anti-Rot Guarantee. A waterproof treatment is required upon assembly and annually to maintain this guarantee. Delivered flat-packed, this gazebo requires assembly on a firm, level base, promising an elegant and practical enhancement to your garden that combines functionality with refined design.

            Also Available: 3m x 3m Mercia Thorpe Gazebo With Vertical Rails Pressure Treated, 4m x 4m Mercia Thorpe Gazebo With Vertical Rails Pressure Treated


            Guarantee - 15-year anti-rot

            Roof - Tongue and groove cladded roof

            Framing finish - smooth planed timbers

            Treatment - pressure treated for longevity

            Delivered flat-packed for easy assembly

            Make the Most of Your Gazebo:

            The 3m x 4m Mercia Thorpe Gazebo With Vertical Rails presents a canvas for imaginative and practical uses that can transform your outdoor space into an extension of your home. This larger footprint makes it an ideal setting for a sophisticated outdoor office or study area, providing a peaceful environment away from the distractions of indoor life. If equipped with comfortable outdoor furniture, adequate lighting, and Wi-Fi extenders, it becomes a haven for productivity and creativity, all while enjoying the fresh air and natural light.

            For those with a green thumb, the Thorpe Gazebo can be converted into a luxurious vertical garden. By integrating plant stands, hanging planters, and a selection of exotic or fragrant plants, you can create a lush, green space that thrives under the pavilion’s protection. This setup not only adds to the beauty and biodiversity of your garden but also offers a unique spot for tea, reading, or simply unwinding amidst nature.

            Embrace the outdoor fitness trend by turning your gazebo into a dedicated space for health and wellness. Whether it’s space for yoga mats, free weights, or cardio equipment, the gazebo offers a sheltered area to keep up with your fitness regime in the comfort of your backyard. The vertical rails ensure privacy, making it a perfect spot for meditation or high-energy workouts, with the added benefit of a fresh outdoor environment to boost your well-being. This multifunctional approach to your gazebo use brings new dimensions to your garden, enriching your lifestyle with the luxury of choice and the beauty of the outdoors.

            About Your Order:

            Every Mercia gazebo is a testament to sustainable elegance as it is crafted with precision right here in the UK, utilising sustainably sourced and rigorously regulated timber. The gazebo undergo a meticulous pressure-treatment process to ensure enduring beauty and structural integrity. It protects the timber from rot, decay, and the ravages of insects and also secures your peace of mind with a robust 15-year Anti-rot Guarantee. Please note to maintain this guarantee; the gazebo will require waterproof treatment upon assembly and annually after that. Upon delivery, the structure must be constructed and positioned on a stable and level foundation.

            Please note: Images show accessories and furnishings for display only and are not included in your purchase.

            Gazebo Maintenance:

            The Mercia Gazebo is made from pressure-treated timbers for excellent durability and longevity. These products have an anti-rot solution in the timber structure, improving rot resistance. Mercia Garden Pressure Treated products come with a 15-year Anti-Rot guarantee. The manufacturer recommends that if you want to paint your garden gazebo with a different colour, ensure the treatment you choose is recommended for pressure-treated timber.  The manufacturer requires the gazebo to be treated with waterproofing upon construction. Applying a water-repellent product to your wooden garden bar is required for even more longevity and extra protection.  

            elbec recommends Protek wood treatment. Browse our Protek Royal Exterior Wood Finish Paint range to find the best gazebo paint to add your own finish.

            About Mercia:

            Mercia is one of the best UK garden building manufacturers. They have over 140 years of experience, so you get a summerhouse of the highest quality when choosing Mercia. Mercia combines the latest manufacturing techniques with the best hardwearing materials to produce British-made sheds and summerhouses built to the highest standards.

            Every product Mercia produces is made with safety and exceeding your expectations in mind. When you receive your order, you will immediately see why this is one of the best summerhouse and shed manufacturers. All products are made from ethically sourced materials. 


            ALL DELIVERIES ARE DELIVERED TO KERBSIDE OR DRIVEWAY. All of our Mercia products are delivered flat packed other than fence panels (which are delivered fully constructed), direct to your home, and are supplied with a set of instructions to support assembly.

            Booking Delivery

            You will be required to book your delivery date at the time of placing your order (except for Metal Shed). Our 'Request a Delivery Date' service is available to the majority of areas and you'll find that the majority of the UK postcodes are FREE but some areas may incur a delivery surcharge and some postcodes are not covered at all. Select a 'requested delivery date' by entering your postcode in the 'Request a delivery date' section above. You will also be notified at this time if your area incurs a surcharge or delivery is not covered in your area.

            Prior to Delivery

            On the morning of your delivery date, you'll be sent an update by text with an estimated 2-hour delivery slot (this update can only be provided where a mobile number has been supplied on the billing address section at the time of checkout) together with a link to the manufacturer delivery portal where you'll be able to track your order.

            Please note: Mercia Metal Sheds ONLY - your order is delivered by a courier you will not be notified prior to the delivery. If you are not in on the day of the delivery you will be carded and asked to contact the courier to arrange a new mutual delivery date. The estimated delivery lead time for Mercia's Metal sheds is identified on the product for the metal shed. Lead times are on working days (Monday - Friday) excludes Bank Holidays. These estimated lead times are provided by the manufacturer. Some remote areas will take a little longer.

            Upon Delivery

            Your order is delivered either kerbside or driveway and will be delivered on either a 3.5T, 7.5T or 18T Lorry. Unfortunately due to health and safety and insurance liabilities the driver will not be able to take your goods around to the back of your property but may upon request place the product at the side of the house if there are no access or restriction issues. We would not risk damaging your property whilst delivering a product to an unsafe location. Unfortunately, we will not be able to go through your property.

            We would recommend against arranging for a third party to install the building before it's been delivered and checked that all parts are present, as we cannot be held liable for any third-party costs.


            Orders with Assembly 

            The lead time for our installation option is around 7 Weeks from the date of order. With the installation option, the majority of orders will have their delivery and installation on separate days; there will be a small number of orders which will have delivery and installation on the same day. You will be advised by the manufacturer's installation team which category your order falls into.

            Depending on the installation option for your order, you will be contacted within the delivery timescale and given a date for either delivery/assembly on the same date or a separate date for delivery and assembly.


            Please note: all imperial measurements are approximate, and the Mercia Garden Structures are made from metric measurements. We would recommend that the base is at least 50mm bigger in each direction.

            Product Name:
            3m x 4m Mercia Thorpe Gazebo with Vertical Rails - Pressure Treated
            Footprint Depth:
            3.00m (9'11")
            Footprint Width:
            4.00m (13'1")
            Ridge Height:
            3.44m (11'3")
            Eaves Height:
            2.38m (7'10")
            Treatment Type:
            Pressure Treated Timber
            Recommended Treatment:
            Protek Range (please click here)
            Manufacturer's Guarantee:
            15 Year Anti Rot / 1 Year Parts
            Roof Type:
            Hipped roof
            Floor Material:
            Self Assembly
            Optional Assembly:
            FSC Certified:
            PEFC Certified
            Free Delivery*:
            Manufacturer's Product Code:
            EAN Number:
            Mercia Garden Products
            Country of Origin:
            United Kingdom
            Click to View Alternative Sizes:


            Elevate your outdoor space with the 3m x 4m Mercia Thorpe Gazebo With Vertical Rails Pressure Treated, a perfect blend of elegance and functionality. This expansive gazebo is enhanced with durable vertical rails for added privacy. Its robust tongue & groove roof and mineral roofing ensure lasting protection. The main features include:

            • Pressure Treated timbers
            • Delivered flat packed
            • Vertical rails for privacy
            • Easy assembly
            • 15-year anti-rot guarantee