“I'm Tim, and my MCS-certified team designs and installs solar PV and battery systems across Poole and Dorset. We've helped homeowners cut their electricity bills by up to 70% — and we'll show you the exact projected savings before you commit.”
— Tim, Founder
Solar & Battery Pricing
All prices include design, installation, commissioning, MCS certification, and app setup. VAT at 0% on domestic solar (current government rate).
| System | Price |
|---|---|
| Solar PV 3kWp (8 panels) | From £4,500 |
| Solar PV 4kWp (10 panels) | From £5,500 |
| Solar PV 6kWp (15 panels) | From £7,500 |
| Solar PV 10kWp (25 panels) | From £12,000 |
| Battery — GivEnergy 5.2kWh | From £2,500 |
| Battery — GivEnergy 9.5kWh | From £3,800 |
| Battery — Tesla Powerwall 2 | From £4,500 |
| Battery — Fox ESS | From £2,800 |
| Solar + Battery Bundle (4kWp + 5.2kWh) | From £7,000 |
Thinking about pairing solar with an EV charger? Compare the best EV chargers for solar homes →
What Our Customers Say
"Absolutely outstanding amazing customer service by Tim and the guys that were with him Lance and Tom installing our solar panels and a complete rewire on our new industrial unit. Tim gave us a quote and it came in under what he quoted which we were very happy about the whole job lasted a few days with no mess or disruption to our business, I can't thank Lilliput electrical enough for what they did in a short amount of time. Take a bow guys take a bow and thank you again I will be recommending you to the rest of our friendship group."
Google Review
"Tim has carried out lots of work for us over the years including a full re wire on our current home, installation of solar panels and battery. His work is always of the highest quality and hi is reliable and does what he says he will. I have no issues in recommending Lilliput Electrical to anyone. In fact i have done many times."
Google Review
"Lilliput Electrical recently installed a solar PV system at our home, and the whole experience was outstanding from start to finish. Highly professional, great communication, and the quality of the install was first class."
Google Review
Solar PV Systems
We design each system around your roof, energy usage, and budget. All panels are Tier 1 rated with 25-year performance warranties.
3kWp System
8 panels. Ideal for smaller homes or low energy usage. Generates approx. 2,700 kWh/year. Suits 1–2 bedroom properties.
From £4,5004kWp System
10 panels. Our most popular system. Generates approx. 3,600 kWh/year. Perfect for a 2–3 bedroom home.
From £5,5006kWp System
15 panels. For larger homes with higher consumption. Generates approx. 5,400 kWh/year. Great with an EV charger.
From £7,50010kWp+ System
25+ panels. For large properties and commercial buildings. Custom designed. Generates 9,000+ kWh/year.
From £12,000Battery Storage
Store excess solar energy for use in the evening and overnight, or charge from the grid on cheap overnight tariffs (like Octopus Go) and use during peak hours.
GivEnergy 5.2kWh
Compact, expandable battery with excellent app control. Stack up to 5 units for 26kWh total. Our most popular choice for homes with solar.
From £2,500 GivEnergy 9.5kWh
Larger single battery for whole-home coverage. Full evening and overnight usage for most homes. Optional backup gateway for power cuts.
From £3,800
Tesla Powerwall 2
13.5kWh premium battery with integrated inverter. Sleek design, seamless Tesla app integration, and Storm Watch for automatic backup during power cuts.
From £4,500Case Study: 19.53kWp Residential Solar Installation
Poole, Dorset (BH14) — February 2026
The Challenge
The homeowner needed to offset substantial household electricity consumption — two electric vehicles covering 45,000 miles annually plus typical domestic loads, totalling approximately 18,500 kWh per year. The goal was meaningful energy independence while future-proofing for an air source heat pump.
Available roof space across east and west-facing elevations offered excellent potential, but the combined capacity would exceed standard G98 limits, requiring a full G99 application to the Distribution Network Operator.
The Solution
We specified 42 Aiko 465W high-efficiency all-black panels, delivering a total installed capacity of 19.53 kWp. The panels were distributed across both roof elevations in an east-west split configuration — deliberately chosen over a single south-facing array for several key reasons:
- Extended generation window: The east array captures morning sunlight from sunrise, while the west array continues generating into the evening
- Better alignment with consumption: Household demand peaks in morning and evening — an east-west array naturally aligns with these patterns
- Reduced clipping losses: Generation spread across the day means inverters operate within capacity for longer periods
Inverter Configuration
The system uses two Fox ESS hybrid inverters in a master-slave configuration: a 10kW primary unit paired with an 8kW secondary. This 18kW combined capacity handles peak generation while providing headroom for future battery storage.
Technical Specifications
| Solar Panels | 42 x Aiko 465W |
| Total Array Capacity | 19.53 kWp |
| Primary Inverter | Fox ESS 10kW Hybrid |
| Secondary Inverter | Fox ESS 8kW Hybrid |
| Array Configuration | East-West split |
| Estimated Annual Generation | 13,757 kWh |
| Grid Connection | G99 application (SSEN) |
Projected Performance
| Annual Generation | 13,757 kWh |
| Projected Self-Consumption | ~6,500 kWh |
| Projected Export | ~7,250 kWh |
| Annual Bill Reduction | ~62% |
| Estimated Payback Period | 5.5 – 6.5 years |
"The east-west configuration made sense for our consumption patterns, and the Fox ESS inverters give me the monitoring and control capabilities I need to optimise the system. Even on an overcast February day, we generated over 6 kWh in half a day."
— Mark, Homeowner
Frequently Asked Questions
Most domestic solar installations are permitted development and don’t require planning permission. Exceptions include listed buildings, conservation areas, and flat-roof installations that protrude above the roofline. We’ll advise during your survey.
With current electricity prices, a typical 4kWp system pays for itself in 5–7 years, with 25+ years of generation ahead. Adding a battery shortens the effective payback by maximising self-consumption. We provide estimated savings for every quote.
If you’re out during the day (when panels generate most), a battery stores that energy for evening use instead of exporting it cheaply. With smart tariffs like Octopus Go, you can also charge the battery at 7.5p/kWh overnight and use it during expensive peak hours. Most customers see payback in 6–8 years.
Yes — panels work with daylight, not direct sunshine. Winter output is lower (roughly 10–15% of annual generation happens Dec–Feb), but panels still contribute throughout the year. Dorset’s south coast location gives us above-average UK solar irradiance.
Yes. We use angled mounting frames to tilt panels at the optimal 30–35° angle on flat roofs. This may require planning permission if the panels protrude above the roofline. We handle all aspects of the installation including any necessary applications.
Under the Smart Export Guarantee (SEG), energy suppliers pay you for electricity you export to the grid. Rates vary — Octopus currently offers around 15p/kWh on their Flux tariff. We’ll set up your smart meter and export agreement as part of the installation.
With current electricity prices and the Smart Export Guarantee, a typical 4kWp domestic system pays for itself in 5–8 years. Adding a battery can accelerate payback by maximising self-consumption. The exact payback depends on your energy usage, roof orientation, and tariff — we provide detailed projections with every quote.
Yes — we regularly retrofit battery storage to existing solar installations. The battery connects to your existing system and stores excess generation for evening use. We install GivEnergy, Fox ESS, and Tesla Powerwall batteries. We’ll check compatibility with your current inverter and advise on the best setup.
It depends on your electricity usage, roof space, and budget. As a rough guide: a 2-bed flat might suit 2–3kWp, a 3-bed semi 3–4kWp, and a larger detached home 5–10kWp. If you have an EV or are planning one, go bigger to offset charging costs. We design each system around your specific circumstances.
What's Included
- Reduce electricity bills by up to 70%
- Export surplus energy to the grid (SEG payments)
- Battery storage for evening and overnight use
- 25+ year panel warranty
- MCS certified installation
- Smart monitoring via app — track generation and savings in real time