Project of a garage for 2 cars with a utility block: layout, drawings and mistakes to avoid

Building a garage for two cars with a utility block is a task that requires careful consideration at the design stage. Such an object should not only reliably protect cars from weather conditions and vandals, but also provide convenient storage for tools, seasonal items, or even a workshop. Unlike standard single garages, a project for two cars with a utility unit involves taking into account additional nuances: from the optimal width of the gate to rational zoning of space.

In this article we will look at ready-made garage projects for 2 cars with utility room, here are the current requirements SNiP 21-02-99 and SP 54.13330.2016, and also share practical tips on choosing materials, planning and avoiding common mistakes. We will pay special attention space saving without compromising functionality - after all, even on a plot of 6 acres you can place a convenient garage with a full-fledged utility unit.

If you are just starting to plan construction, this article will help you decide minimum sizes, types of foundation and heating options. For those who have already chosen a project, we have prepared step-by-step checklist for document approval in 2026 - this will save time and nerves when interacting with supervisory authorities.

1. Minimum dimensions of a garage for 2 cars with a utility unit according to SNiP

The first question that arises when designing: What size garage for 2 cars with utility room would be optimal? Here it is important to take into account not only the dimensions of the vehicles, but also the requirements for aisles, storage area and possible workshop. According to SNiP 21-02-99 and SP 54.13330.2016, the minimum parameters are as follows:

• 📏 Width: no less 6–6.5 m (for two middle class passenger cars). If you plan to park SUVs or minibuses, increase to 7–7.5 m.
• 📐 Length: from 7 m (for compact machines) up to 9 m (for large cars, including trunk and open doors).
• 🏗️ Height: minimum 2.5 m (for passenger cars), but better 3–3.5 m, if you are planning a viewing hole or mezzanine.
• 🚪 Gate: the width of each opening is not less than 2.5 m (for convenient check-in). Optimally - 3 m, if the cars are wide.

For the utility unit, it is recommended to allocate a separate area with an area from 6 to 12 m², depending on the purpose. For example:

Purpose of the utility unit	Minimum area (m²)	Recommended area (m²)
Tool warehouse	6	8–10
Workshop (carpentry/metalworker)	10	12–15
Rest room with shower	8	10–12
Storage of seasonal items (tires, skis)	4	6–8

⚠️ Attention: If the garage is adjacent to residential buildings (for example, a house), then SNiP required fire gap of at least 6 m or using non-combustible wall materials. Ignoring this rule may result in refusal to approve the project.

2. Ready-made projects for garages for 2 cars with a utility block: 5 proven options

Choosing a ready-made project greatly simplifies the task - you don’t need to calculate every centimeter yourself. We have selected 5 current projects taking into account different budgets and needs:

Project 1: “Compact” (6x7 m, pitched roof)

Features:

• 🚗 Accommodates 2 passenger cars (for example, Toyota Camry and Kia Sportage).
• 🔧 6 m2 utility block with shelves for tools.
• 💰 Budget option: construction cost from 800 000 ₽ (frame + corrugated sheet).
• ⚡ Possibility of connecting electricity to charge the car.

Project 2: “Universal” (7x9 m, gable roof)

Benefits:

• 🚙 Suitable for large cars (SUVs, minibuses).
• 🛠️ 12 m² utility block with a workbench and inspection hole.
• 🔥 Stove heating or electric convectors.
• 📄 Easy to coordinate with BTI (corresponds to SNiP).

Drawings of the "Universal" project

The kit includes detailed diagrams of the foundation, electrical wiring and ventilation. Drawings can be downloaded on the website of the architectural bureau or ordered adaptation to your site.

Project 3: "Premium" (8x10 m, attic)

For whom: owners of expensive cars who need not only parking, but also a comfortable seating area.

• 🏠 Attic 20 m² (you can arrange a billiard room or guest room).
• 🚿 Bathroom with shower and independent sewerage.
• 🔋 Solar panels on the roof for energy saving.
• 💎 Cost: from 2 500 000 ₽ (brick + insulation).

Project 4: “Economy with utility unit” (6×8 m, frame)

Ideal for: summer cottages or temporary use.

• 💸 The cheapest option is from 600 000 ₽.
• 🔨 Collapsible design (can be moved when selling the plot).
• 🌡️ Insulation with polystyrene foam or mineral wool.

Project 5: “Garage-workshop” (7×12 m, with a separate entrance to the utility block)

For car enthusiasts and small businesses:

• 🔧 Full-fledged workshop with exhaust hood and compressed air.
• 🚪 Separate entrance to the utility block (convenient for clients if you rent it out).
• 📡 Wi-Fi and video surveillance.

3. Foundation requirements: which one to choose for a 2-car garage

The foundation is the foundation on which the longevity of the garage depends. For a design for 2 cars with a utility unit Lightweight options are not suitable (for example, a columnar foundation for a frame garage). Let's consider the optimal types:

• 🏗️ Shallow tape: Suitable for most projects. Depth 50–70 cm, width 30–40 cm. Cost: from 150 000 ₽.
• 🧱 Slab: the most reliable, but expensive (from 300 000 ₽). Recommended for heaving soils.
• 🔨 Pile-grillage: if the site has a high groundwater level. Cost: from 200 000 ₽.

Key mistakes when pouring a foundation:

1. Ignoring geological research (may lead to cracks).
2. Savings on reinforcement (minimum - reinforcement ∅12 mm in increments 20 cm).
3. Absence waterproofing (the foundation will absorb moisture).

⚠️ Attention: If the garage will be heated, the foundation must be insulated extruded polystyrene foam (thickness not less 5 cm). Otherwise, the heat will go into the ground, and the floors will remain cold.

4. Ventilation and heating: how to avoid dampness and rust

Poor ventilation is the main cause of car corrosion and mold in the utility room. Even if the garage is not heated, forced ventilation is required. Let's consider the options:

Natural ventilation

Suitable for unheated garages. Operating principle: inlet openings at the bottom (15×15 cm) and exhaust at the top (20×20 cm).

• ✅ Cheap (cost from 10 000 ₽).
• ❌ Ineffective at frosts below -15°C.

Forced ventilation

The best option for garages with a utility block. Includes:

• 🌀 Exhaust fan (e.g. Soler & Palau TD-350/100).
• 🌬️ Supply valve with filter.
• 📊 Automation for humidity control (optional).

Set price: from 30 000 ₽.

Garage heating

If you plan to use the garage in winter, you cannot do without heating. Options:

Heating type	Pros	Cons	Cost (from)
Electric convectors	Easy installation, precise temperature control	Expensive electricity	20 000 ₽
Gas boiler	Economical, heats up quickly	Gas service approval required	80 000 ₽
Diesel gun	Mobility, high power	Noise, smell of diesel fuel	15 000 ₽
Wood burning stove	Autonomy, low operating costs	Need a place to store firewood	40 000 ₽

⚠️ Attention: If flammable materials (gasoline, oils) are stored in the utility unit, gas heating is prohibited - only electric or diesel with forced ventilation.

5. Electrics and lighting: diagrams and safety requirements

Installing electrical wiring in a garage is a critical stage where mistakes can lead to a fire. Basic requirements:

• 🔌 Input cable: copper, cross-section no less 6 mm² (for power up to 10 kW).
• 🛡️ Protection: RCDs and circuit breakers for each group (lighting, sockets, equipment).
• 💡 Lighting: waterproof lamps (IP65) and emergency lights.

An example of a wiring diagram for a 7x9 m garage:

1. A panel with machine guns at the entrance.
2. Sockets around the perimeter (height 1.2 m).
3. Lamps on the ceiling and above the workbench.
4. Separate line for compressor or welding machine.

6. Design and interior decoration: how to make a garage functional

The interior decoration of the garage should be practical and easy to clean. Popular materials:

• 🧱 Walls: plaster + paint or PVC panels (for the utility block - moisture-resistant plasterboard).
• 🏗️ Gender: topped concrete or tiles porcelain stoneware (does not slip).
• 🪟 Ceiling: hanging (to hide the wiring) or just painting.

Ideas for organizing space:

• 📦 Shelving: metal or wooden (height to ceiling).
• 🔧 Toolbars: perforated sheets with hooks.
• 🚗 Hanging systems: for bicycles, stairs, seasonal items.

How to save space in a small garage

Use mezzanines above cars for storing rarely used items. You can also install folding workbench, which folds up against the wall.

7. Legal nuances: how to approve the project in 2026

Construction of a garage for two cars with a utility block requires approval, if:

• 📄 Larger area 50 m².
• 🏠 The garage is attached to the house.
• 🚧 Capital materials are used (bricks, blocks).

Step-by-step coordination algorithm:

1. Get urban plan of the site (GPZU) in the administration.
2. Order project documentation in a licensed organization.
3. Apply for building permit.
4. After construction you will receive commissioning certificate.

⚠️ Attention: If the garage is on site SNT or DNP, additional rules (such as height or material restrictions) may apply. Check them with the chairman of the partnership!

FAQ: Frequently asked questions about a 2-car garage with utility room

🔹 Is it necessary to insulate a garage if it is not heated?

Yes, even in an unheated garage insulation of walls and gates will help avoid condensation and rust on cars. Minimum insulation thickness - 5 cm (foam or mineral wool). Pay special attention gate - they must be airtight.

🔹 Is it possible to build a garage without a foundation?

Technically possible, but only for temporary frame structures on level ground. For a permanent garage for 2 cars, a foundation is required - otherwise, over time, the building will sag or warp.

🔹 Which wall material is better: brick, blocks or frame?

The choice depends on your budget and goals:

• 🧱 Brick: the most durable, but expensive and requires a strong foundation.
• 🧊 Gas blocks: warm and light, but in need of finishing.
• 🏗️ Frame: cheap and fast, but less durable (suitable for a summer residence).

🔹 Is it necessary to make a viewing hole?

The inspection hole is convenient for self-repair, but not required. Alternatives:

• 🚗 Lift (if ceilings allow).
• 🔧 Portable jack + stands.

If you decide to make a hole, be sure to provide ventilation and waterproofing!

🔹 How to protect your garage from thieves?

Integrated approach:

• 🔒 Install bars on windows and a bolt on the gate.
• 📹 Video surveillance with recording to the cloud.
• 🚨 Alarm with motion sensors.
• 🐕 Dog (if the garage is on private territory).