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Solar panel cost in King's Lynn and West Norfolk (PE14)

See realistic solar installation costs, savings and payback for PE14 (King's Lynn and West Norfolk) 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

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
9.7 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£1,007
What you save every year
Profit Over 25 Years
£15,409
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

In Eastern, the current unit rate is 26.38p/kWh with a 53.94p/day standing charge. Your postcode’s south-facing sunshine yield is 1014 kWh/kW — 5 above 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 1014 kWh per year on a south-facing roof. We value self-used electricity at 26.4p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.4p/kWh
Standing charge
53.9p/day
Sunshine yield (south)
1014 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: £839, Upfront: £8,139, Break-even: 9.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2028 kWh 811 kWh 1217 kWh £214 £122 £336 £3,256 9.7 yrs £3,458
3 kW 3042 kWh 1217 kWh 1825 kWh £321 £183 £504 £4,883 9.7 yrs £5,187
4 kW 4056 kWh 1622 kWh 2434 kWh £428 £243 £671 £6,511 9.7 yrs £6,916
5 kW 5070 kWh 2028 kWh 3042 kWh £535 £304 £839 £8,139 9.7 yrs £8,645
6 kW 6084 kWh 2434 kWh 3650 kWh £642 £365 £1,007 £9,767 9.7 yrs £10,374
7 kW 7098 kWh 2839 kWh 4259 kWh £749 £426 £1,175 £11,394 9.7 yrs £12,103
8 kW 8112 kWh 3245 kWh 4867 kWh £856 £487 £1,343 £13,022 9.7 yrs £13,832

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: £1,005, Upfront: £10,239, Break-even: 10.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2028 kWh 1217 kWh 811 kWh £321 £81 £402 £5,356 13.3 yrs £2,687
3 kW 3042 kWh 1825 kWh 1217 kWh £481 £122 £603 £6,983 11.6 yrs £5,080
4 kW 4056 kWh 2434 kWh 1622 kWh £642 £162 £804 £8,611 10.7 yrs £7,473
5 kW 5070 kWh 3042 kWh 2028 kWh £802 £203 £1,005 £10,239 10.2 yrs £9,867
6 kW 6084 kWh 3650 kWh 2434 kWh £963 £243 £1,206 £11,867 9.8 yrs £12,260
7 kW 7098 kWh 4259 kWh 2839 kWh £1,123 £284 £1,407 £13,494 9.6 yrs £14,654
8 kW 8112 kWh 4867 kWh 3245 kWh £1,284 £324 £1,608 £15,122 9.4 yrs £17,047

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: £1,088, Upfront: £11,639, Break-even: 10.7 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2028 kWh 1420 kWh 608 kWh £374 £61 £435 £6,756 15.5 yrs £1,951
3 kW 3042 kWh 2129 kWh 913 kWh £562 £91 £653 £8,383 12.8 yrs £4,677
4 kW 4056 kWh 2839 kWh 1217 kWh £749 £122 £871 £10,011 11.5 yrs £7,402
5 kW 5070 kWh 3549 kWh 1521 kWh £936 £152 £1,088 £11,639 10.7 yrs £10,128
6 kW 6084 kWh 4259 kWh 1825 kWh £1,123 £183 £1,306 £13,267 10.2 yrs £12,853
7 kW 7098 kWh 4969 kWh 2129 kWh £1,311 £213 £1,524 £14,894 9.8 yrs £15,579
8 kW 8112 kWh 5678 kWh 2434 kWh £1,498 £243 £1,741 £16,522 9.5 yrs £18,304

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: £1,113, Upfront: £13,389, 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 2028 kWh 1480 kWh 548 kWh £391 £55 £445 £8,506 19.1 yrs £400
3 kW 3042 kWh 2221 kWh 821 kWh £586 £82 £668 £10,133 15.2 yrs £3,226
4 kW 4056 kWh 2961 kWh 1095 kWh £781 £110 £891 £11,761 13.2 yrs £6,051
5 kW 5070 kWh 3701 kWh 1369 kWh £976 £137 £1,113 £13,389 12.0 yrs £8,876
6 kW 6084 kWh 4441 kWh 1643 kWh £1,172 £164 £1,336 £15,017 11.2 yrs £11,701
7 kW 7098 kWh 5182 kWh 1916 kWh £1,367 £192 £1,559 £16,644 10.7 yrs £14,526
8 kW 8112 kWh 5922 kWh 2190 kWh £1,562 £219 £1,781 £18,272 10.3 yrs £17,352

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: £1,130, Upfront: £15,139, Break-even: 13.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2028 kWh 1521 kWh 507 kWh £401 £51 £452 £10,256 22.7 yrs £-1,217
3 kW 3042 kWh 2282 kWh 760 kWh £602 £76 £678 £11,883 17.5 yrs £1,675
4 kW 4056 kWh 3042 kWh 1014 kWh £802 £101 £904 £13,511 14.9 yrs £4,567
5 kW 5070 kWh 3802 kWh 1268 kWh £1,003 £127 £1,130 £15,139 13.4 yrs £7,458
6 kW 6084 kWh 4563 kWh 1521 kWh £1,204 £152 £1,356 £16,767 12.4 yrs £10,350
7 kW 7098 kWh 5324 kWh 1774 kWh £1,404 £177 £1,582 £18,394 11.6 yrs £13,241
8 kW 8112 kWh 6084 kWh 2028 kWh £1,605 £203 £1,808 £20,022 11.1 yrs £16,133

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: £1,146, Upfront: £17,589, Break-even: 15.3 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2028 kWh 1562 kWh 466 kWh £412 £47 £459 £12,706 27.7 yrs £-3,534
3 kW 3042 kWh 2342 kWh 700 kWh £618 £70 £688 £14,333 20.8 yrs £-576
4 kW 4056 kWh 3123 kWh 933 kWh £824 £93 £917 £15,961 17.4 yrs £2,382
5 kW 5070 kWh 3904 kWh 1166 kWh £1,030 £117 £1,146 £17,589 15.3 yrs £5,340
6 kW 6084 kWh 4685 kWh 1399 kWh £1,236 £140 £1,376 £19,217 14.0 yrs £8,298
7 kW 7098 kWh 5465 kWh 1633 kWh £1,442 £163 £1,605 £20,844 13.0 yrs £11,257
8 kW 8112 kWh 6246 kWh 1866 kWh £1,648 £187 £1,834 £22,472 12.3 yrs £14,215

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 King's Lynn and West Norfolk

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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Understand DNO, G98 and G99 export limits

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Insights for PE14

Figures below are tailored to PE14 — click through for full league tables.

Big-Roof Britain Rank #133 of 2182
6.4 kWp (UK avg 5.1 kWp)
~14 panels (≈430 W)
Solar Payback Index Rank #500 of 2996
9.7 years (UK avg 10.8 years)
~£1,007 /yr • £9,767 upfront
Standing-Charge Drag Rank #430 of 2996
19.6% (UK avg 26.6%) drag on savings
£197 fixed • ~£1,007 /yr value
Aspect Penalty View ranking →
East −22.8% West −20.7%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in PE14

Monthly generation per kilowatt of solar panels

kWh 38 Jan 54 Feb 88 Mar 115 Apr 122 May 120 Jun 121 Jul 111 Aug 95 Sep 67 Oct 48 Nov 35 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 50.1% of an average month (Dec–Feb)

Best / worst month: May / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 42 kWh per month; the average month produces around 84 kWh. So a typical 4 kW home system would generate roughly 169 kWh in winter, or 338 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.38p/kWh
Daily Fixed Charge
53.94p/day
Local Sunshine
1014kWh/kW
A 1 kW system generates ~1014 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: 59% • Flats: 3% • Bungalows: 37% Based on 6,486 properties

Coverage

King's Lynn and West Norfolk (60%)|Fenland (39%)|South Holland (1%)

Areas Covered

Wisbech South, Walsoken, West Walton & Walpole, Elm & Christchurch, Emneth & Outwell, Upwell & Delph, Tilney, Mershe Lande & Wiggenhall + 6 more

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.

Compare nearby areas

Nearby in Eastern

PE13 (Fenland)
≈4.1 km away
Local sunshine: ~1,015 kWh/kWp · +0% vs PE14
PE38 (King's Lynn and West Norfolk)
≈12.5 km away
Local sunshine: ~998 kWh/kWp · -2% vs PE14
PE15 (Fenland)
≈13.2 km away
Local sunshine: ~1,008 kWh/kWp · -1% vs PE14
PE34 (King's Lynn and West Norfolk)
≈15.5 km away
Local sunshine: ~1,000 kWh/kWp · -1% vs PE14
PE33 (King's Lynn and West Norfolk)
≈16.7 km away
Local sunshine: ~999 kWh/kWp · -2% vs PE14
PE30 (King's Lynn and West Norfolk)
≈18.4 km away
Local sunshine: ~996 kWh/kWp · -2% vs PE14

Similar sunshine across the UK

SA68 (Pembrokeshire)
~1,014 kWh/kWp · +0% vs PE14
TA11 (Somerset)
~1,014 kWh/kWp · -0% vs PE14
RH7 (Tandridge)
~1,014 kWh/kWp · -0% vs PE14