The official North West figures
Every solar system fitted by an MCS-certified installer is logged in the MCS database with its size and price. Each year the Department for Energy Security and Net Zero (DESNZ) analyses those records and publishes the average cost per kilowatt, by region and by system size. The 2025/26 release covers April 2025 to March 2026 and was published on 28 May 2026 (DESNZ solar PV cost data).
It is the closest thing to a price list for Manchester that exists. It counts 22,981 North West installations in that year, of which 16,496 were up to 4 kW and 5,670 were between 4 and 10 kW. The cost covers the panels, the inverter, installation and connection, and VAT where it applied.
- Up to 4 kW: North West average £2,021 per kW. Across Great Britain the median, the middle price, was £1,780 per kW.
- 4 to 10 kW: North West average £1,768 per kW, against a Great Britain median of £1,697 per kW.
Two cautions. An average is pulled up by a few expensive jobs, so the median is usually a little lower, and the regional table only gives averages. And the figures are per kilowatt of declared capacity, so check that a quote states the system size in kW before you divide.
The Energy Saving Trust gives a simpler benchmark: a typical home system of 4.5 kWp costs around £7,600 (Energy Saving Trust, updated 1 October 2026). That sits close to what the North West figures give for the same size.
Prices for the sizes Manchester roofs take
Size is set by the roof, not by a package. A small rear slope on a terrace in Levenshulme might take six or seven panels; the front and back of a 1930s semi in Burnage might take twelve. The table turns the North West averages into totals for common sizes, assuming 400-watt panels. To see what each size would generate on your roof, use the roof yield explorer.
| System size | About this many 400 W panels | Rate used | Indicative total | 5% VAT from April 2027 |
|---|---|---|---|---|
| 2.5 kW | 6 | £2,021 per kW | £5,050 | +£250 |
| 3 kW | 8 | £2,021 per kW | £6,050 | +£300 |
| 3.5 kW | 9 | £2,021 per kW | £7,050 | +£350 |
| 4 kW | 10 | £2,021 per kW | £8,100 | +£400 |
| 5 kW | 13 | £1,768 per kW | £8,850 | +£450 |
| 6 kW | 15 | £1,768 per kW | £10,600 | +£550 |
The step in the rate at 4 kW is real: larger systems spread the fixed costs over more panels. It also means a 4.5 kW quote should not cost much more than a 4 kW one. If it does, ask why.
Many Manchester homes sit at the small end. The city has an unusually high share of terraced houses, 28% of households against 23% in England (Census 2021), and terraces rarely fit more than about 4 kW. Our guide to solar on terraced houses explains how to make the most of a small roof.
How the North West compares
On the 2025/26 figures, Manchester sits in the middle of the country. London and the South West were the dearest regions for small systems; the North East was the cheapest. The spread is a few hundred pounds per kW, which on a 4 kW system is worth knowing but is smaller than the gap between two quotes for the same house.
| Region | Up to 4 kW | 4 to 10 kW |
|---|---|---|
| London | £2,177 | £1,843 |
| South West | £2,177 | £1,846 |
| South East | £2,082 | £1,849 |
| East Midlands | £2,057 | £1,791 |
| West Midlands | £2,021 | £1,767 |
| North West | £2,021 | £1,768 |
| East of England | £1,976 | £1,762 |
| Yorkshire and the Humber | £1,972 | £1,745 |
| Wales | £1,951 | £1,641 |
| Scotland | £1,944 | £1,662 |
| North East | £1,878 | £1,594 |
What moves a Manchester quote
The average hides the things that make one roof dearer than another. In Manchester these come up most often.
Scaffolding over the pavement
Most terraced streets put the front wall on the pavement, so scaffold there stands on the public highway. Manchester City Council requires a permit for that under section 169 of the Highways Act 1980: an administration charge of £175, then £90 for every four weeks for a structure up to 25 m², or £132 up to 50 m² (Manchester City Council). Permits run for at least 28 days, the council aims to reply within 20 working days, and the scaffolder must hold public liability cover of at least £10 million. A small front scaffold for eight weeks would carry about £355 in council charges by our arithmetic, on top of the scaffold hire. Rear slopes reached from an alley or a back yard can avoid the permit, which is one reason installers often prefer them.
Roof shape and condition
Hipped roofs on inter-war semis split the area into smaller faces, so more of the fixed cost falls on fewer panels. Older slate roofs may need repairs before anything is fixed to them; our guide to Victorian and Edwardian homes covers what to check.
Electrics and the grid
An old consumer unit may need replacing, and a larger system or one with a battery may need the network operator's agreement first under G99, which adds paperwork and time. See connecting to the grid in Manchester.
Parts
Panel brand, inverter type, optimisers for shaded roofs and bird mesh all move the price. Ask for each to be itemised so you can compare like with like.
Adding a battery
A battery stores daytime solar for the evening. DESNZ also publishes official battery cost statistics for existing homes. In 2025/26 the median was £1,300 per kWh of storage for batteries under 6 kWh, £890 per kWh from 6 to 11 kWh and £630 per kWh from 11 to 30 kWh (DESNZ battery statistics). Bigger batteries cost more in total but less per kWh. Our battery guide explains sizing for a Manchester home and why a battery can push a system into the G99 route.
Checking your own quote
Divide the total by the system size in kW and compare the result with the North West figure for that size. A price well above it is not automatically wrong, since scaffolding, a difficult roof or premium parts can justify it, but the installer should be able to say exactly why. A price well below it deserves the same question.
- Get at least three written, itemised quotes from MCS-certified installers.
- Check each states the size in kW, the panel and inverter models, the scaffold, and the G98 or G99 route.
- Work out the price per kW and set it against the table above.
- Ask how any deposit is protected and which consumer code the firm belongs to.
Our step-by-step guide to choosing a solar installer in Manchester goes through each check. If your household might qualify for help, read funding for solar in Manchester before you sign anything.
Finally, remember VAT. Installed solar and batteries in homes carry 0% VAT until 31 March 2027 and 5% after that (HMRC). The last column of the size table shows what that would add at the North West averages.