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Solar panel cost in Eastbourne (BN22)

See realistic solar installation costs, savings and payback for BN22 (Eastbourne) 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
8.6 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£948
What you save every year
Profit Over 25 Years
£15,568
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 South East, the current unit rate is 26.67p/kWh with a 54.45p/day standing charge. Your postcode’s south-facing sunshine yield is 1138 kWh/kW — 109 above the regional median (1029).

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 1138 kWh per year on a south-facing roof. We value self-used electricity at 26.7p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
26.7p/kWh
Standing charge
54.5p/day
Sunshine yield (south)
1138 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: £948, Upfront: £8,139, Break-even: 8.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2276 kWh 910 kWh 1365 kWh £243 £137 £379 £3,256 8.6 yrs £4,331
3 kW 3414 kWh 1365 kWh 2048 kWh £364 £205 £569 £4,883 8.6 yrs £6,496
4 kW 4551 kWh 1821 kWh 2731 kWh £486 £273 £759 £6,511 8.6 yrs £8,662
5 kW 5689 kWh 2276 kWh 3414 kWh £607 £341 £948 £8,139 8.6 yrs £10,827
6 kW 6827 kWh 2731 kWh 4096 kWh £728 £410 £1,138 £9,767 8.6 yrs £12,992
7 kW 7965 kWh 3186 kWh 4779 kWh £850 £478 £1,328 £11,394 8.6 yrs £15,158
8 kW 9103 kWh 3641 kWh 5462 kWh £971 £546 £1,517 £13,022 8.6 yrs £17,323

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: £1,138, Upfront: £10,239, Break-even: 9.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2276 kWh 1365 kWh 910 kWh £364 £91 £455 £5,356 11.8 yrs £3,748
3 kW 3414 kWh 2048 kWh 1365 kWh £546 £137 £683 £6,983 10.2 yrs £6,672
4 kW 4551 kWh 2731 kWh 1821 kWh £728 £182 £910 £8,611 9.5 yrs £9,596
5 kW 5689 kWh 3414 kWh 2276 kWh £910 £228 £1,138 £10,239 9.0 yrs £12,520
6 kW 6827 kWh 4096 kWh 2731 kWh £1,092 £273 £1,366 £11,867 8.7 yrs £15,445
7 kW 7965 kWh 4779 kWh 3186 kWh £1,275 £319 £1,593 £13,494 8.5 yrs £18,369
8 kW 9103 kWh 5462 kWh 3641 kWh £1,457 £364 £1,821 £15,122 8.3 yrs £21,293

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: £1,233, Upfront: £11,639, Break-even: 9.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2276 kWh 1593 kWh 683 kWh £425 £68 £493 £6,756 13.7 yrs £3,107
3 kW 3414 kWh 2389 kWh 1024 kWh £637 £102 £740 £8,383 11.3 yrs £6,410
4 kW 4551 kWh 3186 kWh 1365 kWh £850 £137 £986 £10,011 10.2 yrs £9,714
5 kW 5689 kWh 3982 kWh 1707 kWh £1,062 £171 £1,233 £11,639 9.4 yrs £13,017
6 kW 6827 kWh 4779 kWh 2048 kWh £1,275 £205 £1,479 £13,267 9.0 yrs £16,321
7 kW 7965 kWh 5575 kWh 2389 kWh £1,487 £239 £1,726 £14,894 8.6 yrs £19,624
8 kW 9103 kWh 6372 kWh 2731 kWh £1,699 £273 £1,972 £16,522 8.4 yrs £22,928

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: £1,261, Upfront: £13,389, Break-even: 10.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2276 kWh 1661 kWh 614 kWh £443 £61 £505 £8,506 16.9 yrs £1,585
3 kW 3414 kWh 2492 kWh 922 kWh £665 £92 £757 £10,133 13.4 yrs £5,002
4 kW 4551 kWh 3323 kWh 1229 kWh £886 £123 £1,009 £11,761 11.7 yrs £8,419
5 kW 5689 kWh 4153 kWh 1536 kWh £1,108 £154 £1,261 £13,389 10.6 yrs £11,836
6 kW 6827 kWh 4984 kWh 1843 kWh £1,329 £184 £1,514 £15,017 9.9 yrs £15,254
7 kW 7965 kWh 5814 kWh 2151 kWh £1,551 £215 £1,766 £16,644 9.4 yrs £18,671
8 kW 9103 kWh 6645 kWh 2458 kWh £1,772 £246 £2,018 £18,272 9.1 yrs £22,088

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: £1,280, Upfront: £15,139, Break-even: 11.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2276 kWh 1707 kWh 569 kWh £455 £57 £512 £10,256 20.0 yrs £-14
3 kW 3414 kWh 2560 kWh 853 kWh £683 £85 £768 £11,883 15.5 yrs £3,479
4 kW 4551 kWh 3414 kWh 1138 kWh £910 £114 £1,024 £13,511 13.2 yrs £6,973
5 kW 5689 kWh 4267 kWh 1422 kWh £1,138 £142 £1,280 £15,139 11.8 yrs £10,466
6 kW 6827 kWh 5120 kWh 1707 kWh £1,366 £171 £1,536 £16,767 10.9 yrs £13,959
7 kW 7965 kWh 5974 kWh 1991 kWh £1,593 £199 £1,792 £18,394 10.3 yrs £17,452
8 kW 9103 kWh 6827 kWh 2276 kWh £1,821 £228 £2,048 £20,022 9.8 yrs £20,945

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: £1,299, Upfront: £17,589, Break-even: 13.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2276 kWh 1752 kWh 523 kWh £467 £52 £520 £12,706 24.4 yrs £-2,312
3 kW 3414 kWh 2628 kWh 785 kWh £701 £79 £780 £14,333 18.4 yrs £1,257
4 kW 4551 kWh 3505 kWh 1047 kWh £935 £105 £1,039 £15,961 15.4 yrs £4,826
5 kW 5689 kWh 4381 kWh 1309 kWh £1,168 £131 £1,299 £17,589 13.5 yrs £8,395
6 kW 6827 kWh 5257 kWh 1570 kWh £1,402 £157 £1,559 £19,217 12.3 yrs £11,964
7 kW 7965 kWh 6133 kWh 1832 kWh £1,636 £183 £1,819 £20,844 11.5 yrs £15,533
8 kW 9103 kWh 7009 kWh 2094 kWh £1,869 £209 £2,079 £22,472 10.8 yrs £19,102

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 Eastbourne

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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Check what MCS certification means

Understand DNO, G98 and G99 export limits

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Share the first part of your postcode and a few basics. We’ll help you check whether system size, battery, export and paperwork assumptions look sensible before you commit to installer conversations.

This is a practical sanity-check request, not an instant quote promise. The Blue Ape quote route above remains available if you already want installer introductions.

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Insights for BN22

Figures below are tailored to BN22 — click through for full league tables.

Big-Roof Britain Rank #1406 of 2182
4.7 kWp (UK avg 5.1 kWp)
~10 panels (≈430 W)
Solar Payback Index Rank #4 of 2996
8.6 years (UK avg 10.8 years)
~£948 /yr • £8,139 upfront
Standing-Charge Drag Rank #709 of 2996
21.0% (UK avg 26.6%) drag on savings
£199 fixed • ~£948 /yr value
Aspect Penalty View ranking →
East −20.8% West −23.3%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in BN22

Monthly generation per kilowatt of solar panels

kWh 41 Jan 57 Feb 97 Mar 130 Apr 138 May 143 Jun 144 Jul 127 Aug 105 Sep 72 Oct 46 Nov 38 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 48.0% 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 45 kWh per month; the average month produces around 95 kWh. So a typical 4 kW home system would generate roughly 182 kWh in winter, or 379 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.67p/kWh
Daily Fixed Charge
54.45p/day
Local Sunshine
1138kWh/kW
A 1 kW system generates ~1138 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: 64% • Flats: 26% • Bungalows: 8% Based on 8,660 properties

Coverage

Eastbourne (89%)|Wealden (11%)

Areas Covered

Devonshire, Hampden Park, St Anthony's, Upper Willingdon, Ratton, Upperton, Old Town, Lower Willingdon + 1 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 South East

BN21 (Eastbourne)
≈1.7 km away
Local sunshine: ~1,135 kWh/kWp · -0% vs BN22
BN20 (Eastbourne)
≈2.6 km away
Local sunshine: ~1,141 kWh/kWp · +0% vs BN22
BN23 (Eastbourne)
≈2.6 km away
Local sunshine: ~1,126 kWh/kWp · -1% vs BN22
BN24 (Wealden)
≈4.3 km away
Local sunshine: ~1,137 kWh/kWp · -0% vs BN22
BN26 (Wealden)
≈5.2 km away
Local sunshine: ~1,155 kWh/kWp · +2% vs BN22
BN27 (Wealden)
≈9.2 km away
Local sunshine: ~1,134 kWh/kWp · -0% vs BN22

Similar sunshine across the UK

PO19 (Chichester)
~1,138 kWh/kWp · -0% vs BN22
PO30 (Isle of Wight)
~1,133 kWh/kWp · -0% vs BN22
PO10 (Havant)
~1,133 kWh/kWp · -0% vs BN22