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Big Roof Britain Solar Payback Index Standing Charge Drag

Solar Panels in NR27 (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
12.2 years
After this, it's pure profit
Upfront Cost
£12,207
What you pay to get started
Annual Benefit
£1,004
What you save every year
Profit Over 25 Years
£12,887
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 1007 kWh/kW — 2 below the regional median (1009).

Read the full story

A typical roof here lands around 6.0 kW, with most eligible homes comfortably fitting within 3–6 kW. Each kilowatt of panels produces roughly 1007 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)
1007 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: £836, Upfront: £10,173, Break-even: 12.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2014 kWh 806 kWh 1208 kWh £214 £121 £335 £4,069 12.2 yrs £2,623
3 kW 3021 kWh 1208 kWh 1813 kWh £321 £181 £502 £6,104 12.2 yrs £3,934
4 kW 4028 kWh 1611 kWh 2417 kWh £427 £242 £669 £8,138 12.2 yrs £5,246
5 kW 5035 kWh 2014 kWh 3021 kWh £534 £302 £836 £10,173 12.2 yrs £6,557
6 kW 6042 kWh 2417 kWh 3625 kWh £641 £363 £1,004 £12,207 12.2 yrs £7,868
7 kW 7050 kWh 2820 kWh 4230 kWh £748 £423 £1,171 £14,242 12.2 yrs £9,180
8 kW 8057 kWh 3223 kWh 4834 kWh £855 £483 £1,338 £16,276 12.2 yrs £10,491

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: £1,003, Upfront: £12,273, Break-even: 12.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2014 kWh 1208 kWh 806 kWh £321 £81 £401 £6,169 15.4 yrs £1,855
3 kW 3021 kWh 1813 kWh 1208 kWh £481 £121 £602 £8,204 13.6 yrs £3,832
4 kW 4028 kWh 2417 kWh 1611 kWh £641 £161 £802 £10,238 12.8 yrs £5,809
5 kW 5035 kWh 3021 kWh 2014 kWh £802 £201 £1,003 £12,273 12.2 yrs £7,786
6 kW 6042 kWh 3625 kWh 2417 kWh £962 £242 £1,204 £14,307 11.9 yrs £9,764
7 kW 7050 kWh 4230 kWh 2820 kWh £1,122 £282 £1,404 £16,342 11.6 yrs £11,741
8 kW 8057 kWh 4834 kWh 3223 kWh £1,282 £322 £1,605 £18,376 11.5 yrs £13,718

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: £1,086, Upfront: £13,673, Break-even: 12.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2014 kWh 1410 kWh 604 kWh £374 £60 £434 £7,569 17.4 yrs £1,120
3 kW 3021 kWh 2115 kWh 906 kWh £561 £91 £652 £9,604 14.7 yrs £3,431
4 kW 4028 kWh 2820 kWh 1208 kWh £748 £121 £869 £11,638 13.4 yrs £5,741
5 kW 5035 kWh 3525 kWh 1511 kWh £935 £151 £1,086 £13,673 12.6 yrs £8,051
6 kW 6042 kWh 4230 kWh 1813 kWh £1,122 £181 £1,303 £15,707 12.1 yrs £10,361
7 kW 7050 kWh 4935 kWh 2115 kWh £1,309 £211 £1,521 £17,742 11.7 yrs £12,672
8 kW 8057 kWh 5640 kWh 2417 kWh £1,496 £242 £1,738 £19,776 11.4 yrs £14,982

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: £1,111, Upfront: £15,423, Break-even: 13.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2014 kWh 1470 kWh 544 kWh £390 £54 £444 £9,319 21.0 yrs £-430
3 kW 3021 kWh 2206 kWh 816 kWh £585 £82 £667 £11,354 17.0 yrs £1,980
4 kW 4028 kWh 2941 kWh 1088 kWh £780 £109 £889 £13,388 15.1 yrs £4,390
5 kW 5035 kWh 3676 kWh 1360 kWh £975 £136 £1,111 £15,423 13.9 yrs £6,801
6 kW 6042 kWh 4411 kWh 1631 kWh £1,170 £163 £1,333 £17,457 13.1 yrs £9,211
7 kW 7050 kWh 5146 kWh 1903 kWh £1,365 £190 £1,556 £19,492 12.5 yrs £11,621
8 kW 8057 kWh 5881 kWh 2175 kWh £1,560 £218 £1,778 £21,526 12.1 yrs £14,031

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: £1,128, Upfront: £17,173, Break-even: 15.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2014 kWh 1511 kWh 504 kWh £401 £50 £451 £11,069 24.5 yrs £-2,047
3 kW 3021 kWh 2266 kWh 755 kWh £601 £76 £677 £13,104 19.4 yrs £430
4 kW 4028 kWh 3021 kWh 1007 kWh £802 £101 £902 £15,138 16.8 yrs £2,907
5 kW 5035 kWh 3777 kWh 1259 kWh £1,002 £126 £1,128 £17,173 15.2 yrs £5,384
6 kW 6042 kWh 4532 kWh 1511 kWh £1,202 £151 £1,353 £19,207 14.2 yrs £7,860
7 kW 7050 kWh 5287 kWh 1762 kWh £1,403 £176 £1,579 £21,242 13.5 yrs £10,337
8 kW 8057 kWh 6042 kWh 2014 kWh £1,603 £201 £1,804 £23,276 12.9 yrs £12,814

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: £1,144, Upfront: £19,623, Break-even: 17.1 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2014 kWh 1551 kWh 463 kWh £411 £46 £458 £13,519 29.5 yrs £-4,363
3 kW 3021 kWh 2326 kWh 695 kWh £617 £69 £687 £15,554 22.7 yrs £-1,820
4 kW 4028 kWh 3102 kWh 927 kWh £823 £93 £916 £17,588 19.2 yrs £723
5 kW 5035 kWh 3877 kWh 1158 kWh £1,029 £116 £1,144 £19,623 17.1 yrs £3,266
6 kW 6042 kWh 4653 kWh 1390 kWh £1,234 £139 £1,373 £21,657 15.8 yrs £5,810
7 kW 7050 kWh 5428 kWh 1621 kWh £1,440 £162 £1,602 £23,692 14.8 yrs £8,353
8 kW 8057 kWh 6204 kWh 1853 kWh £1,646 £185 £1,831 £25,726 14.0 yrs £10,896

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 NR27

Figures below are tailored to NR27 — click through for full league tables.

Big-Roof Britain Rank #728 of 2182
5.3 kWp (UK avg 5.1 kWp)
~11 panels (≈430 W)
Solar Payback Index Rank #687 of 2997
10.6 years (UK avg 11.3 years)
~£1,154 /yr • £12,207 upfront
Standing-Charge Drag Rank #440 of 2997
15.3% (UK avg 21.7%) drag on savings
£176 fixed • ~£1,154 /yr value

Your Area at a Glance

Your Electricity Rate
26.53p/kWh
Daily Fixed Charge
48.25p/day
Local Sunshine
1007kWh/kW
A 1 kW system generates ~1007 kWh per year. A typical home uses ~2,700 kWh per year.
Typical System Size
6.0kW
For houses & bungalows in this area

Local Property Data

Property Types

Houses: 42% • Flats: 34% • Bungalows: 21% Based on 4,237 properties

Coverage

North Norfolk (100%)

Areas Covered

Cromer Town, Poppyland, Suffield Park, Beeston Regis & The Runtons, Roughton, 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

NR26 (North Norfolk)
≈6.2 km away
Local sunshine: ~1,019 kWh/kWp · +1% vs NR27
NR11 (North Norfolk)
≈10.4 km away
Local sunshine: ~1,014 kWh/kWp · +1% vs NR27
NR28 (North Norfolk)
≈13.4 km away
Local sunshine: ~1,028 kWh/kWp · +2% vs NR27
NR25 (North Norfolk)
≈14.3 km away
Local sunshine: ~1,020 kWh/kWp · +1% vs NR27
NR24 (North Norfolk)
≈18.6 km away
Local sunshine: ~1,018 kWh/kWp · +1% vs NR27
NR10 (Broadland)
≈20.9 km away
Local sunshine: ~1,005 kWh/kWp · -0% vs NR27

Similar sunshine across the UK

SL3 (Slough)
~1,007 kWh/kWp · -0% vs NR27
SE12 (Lewisham)
~1,007 kWh/kWp · +0% vs NR27
PE9 (South Kesteven)
~1,007 kWh/kWp · -0% vs NR27