What Tools Do You Need to Install Plug-in Solar? (Fewer Than You Think)

Here's the question that stops people from starting: "What tools do I need?" And the answer is almost always: "Fewer than you think."

Let's break it down by installation type.

Balcony Rail Mounting

Tools needed: None.

Seriously. The clamp either hangs over the railing (no tools whatsoever), or it has bolts that you tighten with a spanner or adjustable wrench. Even the bolted version doesn't require anything special—most people have a wrench in the kitchen drawer.

If the bolts on your clamp need tightening, you need:

• An adjustable wrench or spanner. Cost: £5. You probably have one.

That's it. No drill, no special electrical tools, no electrician.

Time to install: 15–20 minutes.

Ground-Mounted Solar (Stakes or A-Frame)

For ground stakes on grass: a rubber mallet.

If your ground is soft enough, you might push the stakes in by foot. Most people prefer a mallet—it's easier and you get consistent depth.

• A rubber mallet. Cost: £8–15 from any garden centre.

That's the only special tool. If you want to check the angle, a spirit level is helpful (£5–10), but honestly you can eyeball 30 degrees and you won't be far off.

For weighted A-frames on gravel or concrete: no tools.

You're setting the frame down and adding concrete blocks or sand bags. That's it. No bolts, no drilling, no tools.

Time to install: 20–30 minutes.

Flat Roof Ballast Mounting

Tools needed: None (unless you want to be very precise with angle).

A ballast frame sits on the roof. You add ballast blocks or bags. No fasteners, no drilling, no tools.

Optionally: a spirit level (£5–10) to check the frame is level, and optionally a protractor app on your phone to measure the angle. But neither is essential.

The only tool-requiring scenario is if you choose to permanently anchor the frame with bolts (unusual for plug-in solar), in which case you'd need a drill. But ballast framing is the whole point of avoiding that.

Time to install: 20–30 minutes (plus roof access time).

Wall Mounting

Tools needed: A drill (hire it if you don't have one).

Wall mounting requires drilling into masonry. You need a hammer drill (a regular cordless drill won't work on brick or concrete).

• Hammer drill. If you own one, great. If not, hire one from a tool hire shop for £15–30 per day.

• Masonry bit (matched to your bolt size, usually 10mm). Cost: £3–5.

• Adjustable wrench or spanner to tighten the lag bolts. Cost: £5.

Total tool cost if hiring: £30–40. Total if you own a drill: just the masonry bit and spanner.

Time to install: 30 minutes to an hour (most of which is drilling).

Can you avoid drilling? Not really. Walls don't have easy clamp points like railings do, and you need the bracket to be rock-solid. If drilling is a dealbreaker, choose a different surface (ground, flat roof, balcony).

Tools You Don't Need

Let's clear up the myths:

An electrician. You're plugging a cable into a socket. This is not an electrical task—it's unpacking and connecting things. Any adult can do this.

Scaffolding or a tower. Unless your mounting point is more than 3 metres high, you don't need access equipment. A standard ladder works for balcony rails, flat roof access, and most wall mounting.

Special solar tools. No, you don't need a solar tool kit or specialist equipment. You need what any homeowner already has.

Safety harness or fall protection. For balcony and ground mounting, no. For flat roof or wall mounting at height, if you're not comfortable on a roof or ladder, hire someone—a half-hour job costs £80–150, which is reasonable insurance.

Electrical testing equipment. You're not doing electrical testing. You're connecting things. If the system doesn't work, you disconnect and reconnect. That's troubleshooting enough.

A permit or planning permission. Plug-in solar up to 800W is exempt from building control and planning in the UK (confirmed March 2026). You don't need to ask anyone's permission (except your DNO after installation, via a five-minute online form).

The Tools Checklist

Copy this and tick as needed:

Balcony rail:

• Spanner or adjustable wrench (probably have one already)

Ground stakes (grass):

• Rubber mallet (£8–15)
• Spirit level (optional, £5–10)

A-frame (gravel/concrete):

• Nothing required

Flat roof ballast:

• Nothing required
• Spirit level (optional, £5–10)

Wall mounting:

• Hammer drill (hire for £15–30 or borrow)
• Masonry bit (£3–5)
• Spanner or adjustable wrench (£5)

All installations:

• Cable clips (optional but recommended, £3–10)
• Weatherproof sealant (if running cable through wall, £5–10)

Total cost if you own nothing: £30–50 for ground mounting, £30–50 for flat roof, £50–80 for wall mounting (drill hire included). Balcony is free if you have a spanner.

Do You Need Help?

If you own a drill and you're comfortable using it, wall mounting is a DIY job. Balcony, ground, and flat roof mounting are straightforward enough that almost anyone can do them.

If you don't own a drill, don't like heights, or just want someone else to do the boring bit, hiring a handyperson or solar installer for 30 minutes costs £80–150. For a system that'll generate electricity for 20+ years, that's reasonable.

The point is: plug-in solar is accessible. You don't need special tools, special skills, or special permission. You need a location with sun, a cable route to your socket, and about 30 minutes of your time. The tools involved are either ones you already own or cheap to buy.

For a step-by-step walkthrough of the full installation, see our how-to guide.