Solar panel cost in Stratford-on-Avon (B50)

See realistic solar installation costs, savings and payback for B50 (Stratford-on-Avon) in under a minute using official UK data. Start with the calculator, then get a no-obligation quote from an MCS-certified installer. You can also ask the SolarByPostcode assistant to sanity-check your roof, bills and plans.

Solar Calculator

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System Size

Roof Direction

Battery Storage

Export Value

Your Numbers

Break-even
10.3 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£787
What you save every year
Profit Over 25 Years
£11,524
After paying itself off, you're this much ahead

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How we calculate this

Solar generation: Based on typical south-facing roof at 35° angle. We account for weather, dirt, and system losses (14%).

How much you'll use directly:

  • Without battery: You'll use about 40% of what you generate. The rest gets sold back to the grid.
  • With 5 kWh battery: You'll use about 70% (battery stores extra for evening use).
  • With 10 kWh battery: You'll use about 75% (more storage means less exported).
  • Panel-only payback: The official cost per kW is lower above 4 kW, so a 5–6 kW system can pay back a little faster than a 3–4 kW system on otherwise identical assumptions.
  • Battery & payback: Batteries raise self-use and cut bills, but added hardware cost often lengthens break-even at typical UK rates.
  • When a battery can still make sense:
    • Evening-heavy usage patterns
    • Time-of-use tariffs / cheap night rates
    • Low export rate vs. high unit rate
    • Heat pump or EV charging synergy
    • Optional backup/resilience (system-dependent)
    • Lower evening-hour CO₂ vs. grid

Panel costs: Uses March 2026 TIC mean installation costs: £1,827/kW up to 4 kW and £1,628/kW above 4 kW.

Other costs: Battery prices are modelled at £700 per kWh. Export tariffs vary by supplier (usually 5–15p per kWh).

Grid connection: Systems up to about 3.7 kW typically need just a notification (G98). Larger systems may need permission (G99).

These are typical values based on average usage patterns. Your actual results will vary based on your roof, shading, and how you use electricity.

Your area in context

Read the full story

A typical roof here lands around 5.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 975 kWh per year on a south-facing roof. We value self-used electricity at 25.3p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
25.3p/kWh
Standing charge
59.7p/day
Sunshine yield (south)
975 kWh/kW
Export price (baseline)
10p/kWh

Browse the scenarios below. Each battery size has its own expand — open the one that matches your plan (or just explore). For each system size (2–8 kW) we show annual output, how much you use directly, what gets exported, annual benefit, upfront cost, break-even, and a 20-year net. Negative numbers are possible — that’s the honest trade-off when adding more battery than your usage profile justifies.

No battery 5 kW example → Annual benefit: £787, Upfront: £8,139, Break-even: 10.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1950 kWh 780 kWh 1170 kWh £198 £117 £315 £3,256 10.3 yrs £3,037
3 kW 2925 kWh 1170 kWh 1755 kWh £296 £176 £472 £4,883 10.3 yrs £4,555
4 kW 3900 kWh 1560 kWh 2340 kWh £395 £234 £629 £6,511 10.3 yrs £6,073
5 kW 4875 kWh 1950 kWh 2925 kWh £494 £293 £787 £8,139 10.3 yrs £7,591
6 kW 5851 kWh 2340 kWh 3510 kWh £593 £351 £944 £9,767 10.3 yrs £9,110
7 kW 6826 kWh 2730 kWh 4095 kWh £692 £410 £1,101 £11,394 10.3 yrs £10,628
8 kW 7801 kWh 3120 kWh 4680 kWh £790 £468 £1,258 £13,022 10.3 yrs £12,146

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £936, Upfront: £10,239, Break-even: 10.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1950 kWh 1170 kWh 780 kWh £296 £78 £374 £5,356 14.3 yrs £2,132
3 kW 2925 kWh 1755 kWh 1170 kWh £445 £117 £562 £6,983 12.4 yrs £4,249
4 kW 3900 kWh 2340 kWh 1560 kWh £593 £156 £749 £8,611 11.5 yrs £6,365
5 kW 4875 kWh 2925 kWh 1950 kWh £741 £195 £936 £10,239 10.9 yrs £8,481
6 kW 5851 kWh 3510 kWh 2340 kWh £889 £234 £1,123 £11,867 10.6 yrs £10,597
7 kW 6826 kWh 4095 kWh 2730 kWh £1,037 £273 £1,310 £13,494 10.3 yrs £12,713
8 kW 7801 kWh 4680 kWh 3120 kWh £1,186 £312 £1,498 £15,122 10.1 yrs £14,830

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £1,011, Upfront: £11,639, Break-even: 11.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1950 kWh 1365 kWh 585 kWh £346 £59 £404 £6,756 16.7 yrs £1,330
3 kW 2925 kWh 2048 kWh 878 kWh £519 £88 £606 £8,383 13.8 yrs £3,745
4 kW 3900 kWh 2730 kWh 1170 kWh £692 £117 £809 £10,011 12.4 yrs £6,161
5 kW 4875 kWh 3413 kWh 1463 kWh £864 £146 £1,011 £11,639 11.5 yrs £8,576
6 kW 5851 kWh 4095 kWh 1755 kWh £1,037 £176 £1,213 £13,267 10.9 yrs £10,991
7 kW 6826 kWh 4778 kWh 2048 kWh £1,210 £205 £1,415 £14,894 10.5 yrs £13,406
8 kW 7801 kWh 5461 kWh 2340 kWh £1,383 £234 £1,617 £16,522 10.2 yrs £15,821

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £1,033, Upfront: £13,389, Break-even: 13.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1950 kWh 1424 kWh 527 kWh £361 £53 £413 £8,506 20.6 yrs £-240
3 kW 2925 kWh 2135 kWh 790 kWh £541 £79 £620 £10,133 16.3 yrs £2,265
4 kW 3900 kWh 2847 kWh 1053 kWh £721 £105 £827 £11,761 14.2 yrs £4,769
5 kW 4875 kWh 3559 kWh 1316 kWh £902 £132 £1,033 £13,389 13.0 yrs £7,274
6 kW 5851 kWh 4271 kWh 1580 kWh £1,082 £158 £1,240 £15,017 12.1 yrs £9,779
7 kW 6826 kWh 4983 kWh 1843 kWh £1,262 £184 £1,446 £16,644 11.5 yrs £12,284
8 kW 7801 kWh 5695 kWh 2106 kWh £1,442 £211 £1,653 £18,272 11.1 yrs £14,789

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £1,048, Upfront: £15,139, Break-even: 14.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1950 kWh 1463 kWh 488 kWh £370 £49 £419 £10,256 24.5 yrs £-1,871
3 kW 2925 kWh 2194 kWh 731 kWh £556 £73 £629 £11,883 18.9 yrs £694
4 kW 3900 kWh 2925 kWh 975 kWh £741 £98 £838 £13,511 16.1 yrs £3,259
5 kW 4875 kWh 3657 kWh 1219 kWh £926 £122 £1,048 £15,139 14.4 yrs £5,823
6 kW 5851 kWh 4388 kWh 1463 kWh £1,111 £146 £1,258 £16,767 13.3 yrs £8,388
7 kW 6826 kWh 5119 kWh 1706 kWh £1,297 £171 £1,467 £18,394 12.5 yrs £10,952
8 kW 7801 kWh 5851 kWh 1950 kWh £1,482 £195 £1,677 £20,022 11.9 yrs £13,517

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £1,063, Upfront: £17,589, Break-even: 16.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1950 kWh 1502 kWh 449 kWh £380 £45 £425 £12,706 29.9 yrs £-4,201
3 kW 2925 kWh 2252 kWh 673 kWh £571 £67 £638 £14,333 22.5 yrs £-1,577
4 kW 3900 kWh 3003 kWh 897 kWh £761 £90 £850 £15,961 18.8 yrs £1,048
5 kW 4875 kWh 3754 kWh 1121 kWh £951 £112 £1,063 £17,589 16.5 yrs £3,672
6 kW 5851 kWh 4505 kWh 1346 kWh £1,141 £135 £1,276 £19,217 15.1 yrs £6,297
7 kW 6826 kWh 5256 kWh 1570 kWh £1,331 £157 £1,488 £20,844 14.0 yrs £8,921
8 kW 7801 kWh 6007 kWh 1794 kWh £1,521 £179 £1,701 £22,472 13.2 yrs £11,545

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 1,628, battery £/kWh = 700.

Figures are illustrative and use the same method as the calculator above. For exact results, adjust your roof direction, tariff, and usage in the calculator.

Before you request quotes in Stratford-on-Avon

Use the numbers above to sanity-check installer quotes. The main things to compare are system size, battery assumptions, payback claims, MCS certification, DNO paperwork and export assumptions.

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Seasonal solar output in B50

Monthly generation per kilowatt of solar panels

kWh 37 Jan 53 Feb 84 Mar 109 Apr 119 May 118 Jun 119 Jul 107 Aug 90 Sep 64 Oct 43 Nov 32 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.2% of an average month (Dec–Feb)

Best / worst month: Jul / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 41 kWh per month; the average month produces around 81 kWh. So a typical 4 kW home system would generate roughly 163 kWh in winter, or 325 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
25.33p/kWh
Daily Fixed Charge
59.71p/day
Local Sunshine
975kWh/kW
A 1 kW system generates ~975 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
5.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 81% • Flats: 8% • Bungalows: 10% Based on 2,166 properties

Coverage

Stratford-on-Avon (98%)|Wychavon (2%)

Areas Covered

Bidford East, Bidford West, Salford Priors & Alcester Rural, Alcester West, Honeybourne, Pebworth & The Littletons

Data Sources & Assumptions

Solar yield: PVGIS (EU Joint Research Centre), January 2025 data

Electricity rates: Ofgem price cap, Q3 2026

Installation costs: DESNZ/MCS data, March 2026 (TIC)

Property data: EPC open data (Open Government Licence), aggregated

All estimates are typical values. Actual results vary based on your specific situation, roof characteristics, and usage patterns.