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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in NR24 (North Norfolk)

See if solar pays off for you in North Norfolk — price, savings and payback in under a minute (official UK data).

Solar Calculator

Change the settings below to see how costs and savings work for your situation.

System Size

Roof Direction

Battery Storage

Export Value

Your Numbers

Break-even
12.0 years
After this, it's pure profit
Upfront Cost
£10,173
What you pay to get started
Annual Benefit
£845
What you save every year
Profit Over 25 Years
£10,962
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: Bigger systems don’t shorten payback—cost and savings rise together per kW.
  • 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

Costs: Battery prices are typically £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

In Eastern, the current unit rate is 26.53p/kWh with a 48.25p/day standing charge. Your postcode’s south-facing sunshine yield is 1018 kWh/kW — 9 above the regional median (1009).

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 1018 kWh per year on a south-facing roof. We value self-used electricity at 26.5p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.5p/kWh
Standing charge
48.2p/day
Sunshine yield (south)
1018 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: £845, Upfront: £10,173, Break-even: 12.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2036 kWh 814 kWh 1221 kWh £216 £122 £338 £4,069 12.0 yrs £2,694
3 kW 3053 kWh 1221 kWh 1832 kWh £324 £183 £507 £6,104 12.0 yrs £4,041
4 kW 4071 kWh 1628 kWh 2443 kWh £432 £244 £676 £8,138 12.0 yrs £5,388
5 kW 5089 kWh 2036 kWh 3053 kWh £540 £305 £845 £10,173 12.0 yrs £6,735
6 kW 6107 kWh 2443 kWh 3664 kWh £648 £366 £1,014 £12,207 12.0 yrs £8,082
7 kW 7125 kWh 2850 kWh 4275 kWh £756 £427 £1,184 £14,242 12.0 yrs £9,429
8 kW 8142 kWh 3257 kWh 4885 kWh £864 £489 £1,353 £16,276 12.0 yrs £10,776

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

3 kWh battery 5 kW example → Annual benefit: £1,014, Upfront: £12,273, Break-even: 12.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2036 kWh 1221 kWh 814 kWh £324 £81 £405 £6,169 15.2 yrs £1,940
3 kW 3053 kWh 1832 kWh 1221 kWh £486 £122 £608 £8,204 13.5 yrs £3,960
4 kW 4071 kWh 2443 kWh 1628 kWh £648 £163 £811 £10,238 12.6 yrs £5,980
5 kW 5089 kWh 3053 kWh 2036 kWh £810 £204 £1,014 £12,273 12.1 yrs £8,000
6 kW 6107 kWh 3664 kWh 2443 kWh £972 £244 £1,216 £14,307 11.8 yrs £10,020
7 kW 7125 kWh 4275 kWh 2850 kWh £1,134 £285 £1,419 £16,342 11.5 yrs £12,040
8 kW 8142 kWh 4885 kWh 3257 kWh £1,296 £326 £1,622 £18,376 11.3 yrs £14,060

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

5 kWh battery 5 kW example → Annual benefit: £1,098, Upfront: £13,673, Break-even: 12.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2036 kWh 1425 kWh 611 kWh £378 £61 £439 £7,569 17.2 yrs £1,213
3 kW 3053 kWh 2137 kWh 916 kWh £567 £92 £659 £9,604 14.6 yrs £3,569
4 kW 4071 kWh 2850 kWh 1221 kWh £756 £122 £878 £11,638 13.3 yrs £5,926
5 kW 5089 kWh 3562 kWh 1527 kWh £945 £153 £1,098 £13,673 12.5 yrs £8,282
6 kW 6107 kWh 4275 kWh 1832 kWh £1,134 £183 £1,317 £15,707 11.9 yrs £10,639
7 kW 7125 kWh 4987 kWh 2137 kWh £1,323 £214 £1,537 £17,742 11.5 yrs £12,995
8 kW 8142 kWh 5700 kWh 2443 kWh £1,512 £244 £1,756 £19,776 11.3 yrs £15,352

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

7.5 kWh battery 5 kW example → Annual benefit: £1,123, Upfront: £15,423, Break-even: 13.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2036 kWh 1486 kWh 550 kWh £394 £55 £449 £9,319 20.7 yrs £-335
3 kW 3053 kWh 2229 kWh 824 kWh £591 £82 £674 £11,354 16.9 yrs £2,122
4 kW 4071 kWh 2972 kWh 1099 kWh £788 £110 £898 £13,388 14.9 yrs £4,580
5 kW 5089 kWh 3715 kWh 1374 kWh £986 £137 £1,123 £15,423 13.7 yrs £7,037
6 kW 6107 kWh 4458 kWh 1649 kWh £1,183 £165 £1,348 £17,457 13.0 yrs £9,495
7 kW 7125 kWh 5201 kWh 1924 kWh £1,380 £192 £1,572 £19,492 12.4 yrs £11,952
8 kW 8142 kWh 5944 kWh 2198 kWh £1,577 £220 £1,797 £21,526 12.0 yrs £14,409

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

10 kWh battery 5 kW example → Annual benefit: £1,140, Upfront: £17,173, Break-even: 15.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2036 kWh 1527 kWh 509 kWh £405 £51 £456 £11,069 24.3 yrs £-1,951
3 kW 3053 kWh 2290 kWh 763 kWh £608 £76 £684 £13,104 19.2 yrs £574
4 kW 4071 kWh 3053 kWh 1018 kWh £810 £102 £912 £15,138 16.6 yrs £3,099
5 kW 5089 kWh 3817 kWh 1272 kWh £1,013 £127 £1,140 £17,173 15.1 yrs £5,624
6 kW 6107 kWh 4580 kWh 1527 kWh £1,215 £153 £1,368 £19,207 14.0 yrs £8,148
7 kW 7125 kWh 5343 kWh 1781 kWh £1,418 £178 £1,596 £21,242 13.3 yrs £10,673
8 kW 8142 kWh 6107 kWh 2036 kWh £1,620 £204 £1,824 £23,276 12.8 yrs £13,198

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, battery £/kWh = 700.

13.5 kWh battery 5 kW example → Annual benefit: £1,157, Upfront: £19,623, Break-even: 17.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2036 kWh 1567 kWh 468 kWh £416 £47 £463 £13,519 29.2 yrs £-4,266
3 kW 3053 kWh 2351 kWh 702 kWh £624 £70 £694 £15,554 22.4 yrs £-1,674
4 kW 4071 kWh 3135 kWh 936 kWh £832 £94 £925 £17,588 19.0 yrs £918
5 kW 5089 kWh 3919 kWh 1170 kWh £1,040 £117 £1,157 £19,623 17.0 yrs £3,510
6 kW 6107 kWh 4702 kWh 1405 kWh £1,248 £140 £1,388 £21,657 15.6 yrs £6,102
7 kW 7125 kWh 5486 kWh 1639 kWh £1,455 £164 £1,619 £23,692 14.6 yrs £8,694
8 kW 8142 kWh 6270 kWh 1873 kWh £1,663 £187 £1,851 £25,726 13.9 yrs £11,286

Assumptions: south-facing, sensible tilt; self-use shares from site rules; export at 10p baseline. Costs: panels £/kW = 2,035, 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.

Insights for NR24

Figures below are tailored to NR24 — click through for full league tables.

Big-Roof Britain Rank #367 of 2182
5.8 kWp (UK avg 5.1 kWp)
~12 panels (≈430 W)
Solar Payback Index Rank #536 of 2997
10.5 years (UK avg 11.3 years)
~£972 /yr • £10,173 upfront
Standing-Charge Drag Rank #1031 of 2997
18.1% (UK avg 21.7%) drag on savings
£176 fixed • ~£972 /yr value

Your Area at a Glance

Your Electricity Rate
26.53p/kWh
Daily Fixed Charge
48.25p/day
Local Sunshine
1018kWh/kW
A 1 kW system generates ~1018 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: 69% • Flats: 2% • Bungalows: 29% Based on 1,552 properties

Coverage

North Norfolk (100%)

Areas Covered

Stody, Briston, Stibbard, Priory, Lancaster South, Gresham

Data Sources & Assumptions

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

Electricity rates: Ofgem price cap, Q4 2025

Installation costs: MCS certified installer data, March 2025

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.

Compare nearby areas

Nearby in Eastern

NR25 (North Norfolk)
≈6.6 km away
Local sunshine: ~1,020 kWh/kWp · +0% vs NR24
NR22 (North Norfolk)
≈12.8 km away
Local sunshine: ~1,015 kWh/kWp · -0% vs NR24
NR11 (North Norfolk)
≈13.7 km away
Local sunshine: ~1,014 kWh/kWp · -0% vs NR24
NR21 (North Norfolk)
≈13.8 km away
Local sunshine: ~1,009 kWh/kWp · -1% vs NR24
NR26 (North Norfolk)
≈14.2 km away
Local sunshine: ~1,019 kWh/kWp · +0% vs NR24
NR20 (Breckland)
≈16.3 km away
Local sunshine: ~1,005 kWh/kWp · -1% vs NR24

Similar sunshine across the UK

TA3 (Somerset)
~1,018 kWh/kWp · -0% vs NR24
ME1 (Medway)
~1,018 kWh/kWp · +0% vs NR24
TA15 (Somerset)
~1,018 kWh/kWp · +0% vs NR24