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Postcode solar briefing

Solar panel cost in Ipswich (IP4)

See realistic solar installation costs, savings and payback for IP4 (Ipswich) using official UK data. Start with the local verdict, then adjust the calculator for your roof, usage and export assumptions.

Local model Calculator unchanged Quote assumptions checked
Local solar briefing

Solar in IP4: roof size may be the main upside, so compare proposed system sizes carefully.

This is a modelled local view, not a promise of savings. Use it as a quick sense-check before comparing installer quotes for IP4.

Typical system
5.0 kW
starting point
Annual benefit
£869
before battery costs
Payback estimate
9.4 years
panel-only baseline
Postcode verdict
Roof-size upside
local model
Local context

Why IP4 differs

South-facing yield is about 4.0% above the Eastern median.

The starting system size is close to the regional typical size at 5.0 kW.

Local housing mix looks suitable for a postcode-level estimate, but your actual roof still matters more than the area average.

Battery payback depends heavily on evening use, export tariff and whether the installer has assumed optimistic self-consumption.

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
9.4 years
After this, it's pure profit
Upfront Cost
£8,139
What you pay to get started
Annual Benefit
£869
What you save every year
Profit Over 25 Years
£13,580
After paying itself off, you're this much ahead

Ready to Get Started?

Get your free quote from Blue Ape Renewables. They'll connect you with MCS-certified installers in your area and handle all the paperwork.

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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.

Before you sign

What to challenge in solar quotes for IP4

Use the calculator above as a baseline, then ask installers to explain where their quote differs from the local assumptions.

If the proposed system is much larger than 5.0 kW, ask why it fits your roof and usage.

Compare payback with and without a battery before accepting a bundled quote.

Check which Smart Export Guarantee tariff is assumed. The calculator baseline uses 10p/kWh.

Confirm who handles MCS certification and DNO/G98/G99 paperwork before comparing finance or warranties.

Compare quotes Check MCS DNO, G98 and G99
New quote check

Want a quote sanity check for IP4?

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.

Request a quote sanity check →

Insights for IP4

Figures below are tailored to IP4 — click through for full league tables.

Big-Roof Britain Rank #1544 of 2182
4.6 kWp (UK avg 5.1 kWp)
~10 panels (≈430 W)
Solar Payback Index Rank #232 of 2996
9.4 years (UK avg 10.8 years)
~£869 /yr • £8,139 upfront
Standing-Charge Drag Rank #980 of 2996
22.7% (UK avg 26.6%) drag on savings
£197 fixed • ~£869 /yr value
Aspect Penalty View ranking →
East −22.3% West −21.1%
Typical output loss versus a south-facing roof (lower is better)
Compare areas

Compare IP4 with nearby and similar areas

Nearby postcode areas in Eastern

IP1 (Ipswich)
≈1.9 km away
Local sunshine: ~1,042 kWh/kWp · -1% vs IP4
IP3 (Ipswich)
≈1.9 km away
Local sunshine: ~1,059 kWh/kWp · +1% vs IP4
IP2 (Ipswich)
≈3.2 km away
Local sunshine: ~1,041 kWh/kWp · -1% vs IP4
IP5 (East Suffolk)
≈4.6 km away
Local sunshine: ~1,062 kWh/kWp · +1% vs IP4
IP8 (Babergh)
≈5.5 km away
Local sunshine: ~1,042 kWh/kWp · -1% vs IP4
IP9 (Babergh)
≈7.8 km away
Local sunshine: ~1,054 kWh/kWp · +0% vs IP4

Similar solar-yield areas

SO9 (Southampton)
~1,050 kWh/kWp · +0% vs IP4
SO1 (Southampton)
~1,050 kWh/kWp · +0% vs IP4
PL24 (Cornwall)
~1,049 kWh/kWp · -0% vs IP4

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 1050 kWh/kW — 41 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 1050 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)
1050 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: £869, Upfront: £8,139, 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 2099 kWh 840 kWh 1260 kWh £222 £126 £347 £3,256 9.4 yrs £3,694
3 kW 3149 kWh 1260 kWh 1889 kWh £332 £189 £521 £4,883 9.4 yrs £5,542
4 kW 4199 kWh 1680 kWh 2519 kWh £443 £252 £695 £6,511 9.4 yrs £7,389
5 kW 5249 kWh 2099 kWh 3149 kWh £554 £315 £869 £8,139 9.4 yrs £9,236
6 kW 6298 kWh 2519 kWh 3779 kWh £665 £378 £1,042 £9,767 9.4 yrs £11,083
7 kW 7348 kWh 2939 kWh 4409 kWh £775 £441 £1,216 £11,394 9.4 yrs £12,931
8 kW 8398 kWh 3359 kWh 5039 kWh £886 £504 £1,390 £13,022 9.4 yrs £14,778

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: £1,041, Upfront: £10,239, Break-even: 9.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2099 kWh 1260 kWh 840 kWh £332 £84 £416 £5,356 12.9 yrs £2,970
3 kW 3149 kWh 1889 kWh 1260 kWh £498 £126 £624 £6,983 11.2 yrs £5,505
4 kW 4199 kWh 2519 kWh 1680 kWh £665 £168 £833 £8,611 10.3 yrs £8,040
5 kW 5249 kWh 3149 kWh 2099 kWh £831 £210 £1,041 £10,239 9.8 yrs £10,575
6 kW 6298 kWh 3779 kWh 2519 kWh £997 £252 £1,249 £11,867 9.5 yrs £13,110
7 kW 7348 kWh 4409 kWh 2939 kWh £1,163 £294 £1,457 £13,494 9.3 yrs £15,645
8 kW 8398 kWh 5039 kWh 3359 kWh £1,329 £336 £1,665 £15,122 9.1 yrs £18,180

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: £1,127, Upfront: £11,639, 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 2099 kWh 1470 kWh 630 kWh £388 £63 £451 £6,756 15.0 yrs £2,258
3 kW 3149 kWh 2204 kWh 945 kWh £582 £94 £676 £8,383 12.4 yrs £5,137
4 kW 4199 kWh 2939 kWh 1260 kWh £775 £126 £901 £10,011 11.1 yrs £8,016
5 kW 5249 kWh 3674 kWh 1575 kWh £969 £157 £1,127 £11,639 10.3 yrs £10,894
6 kW 6298 kWh 4409 kWh 1889 kWh £1,163 £189 £1,352 £13,267 9.8 yrs £13,773
7 kW 7348 kWh 5144 kWh 2204 kWh £1,357 £220 £1,577 £14,894 9.4 yrs £16,652
8 kW 8398 kWh 5878 kWh 2519 kWh £1,551 £252 £1,803 £16,522 9.2 yrs £19,531

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: £1,152, Upfront: £13,389, Break-even: 11.6 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2099 kWh 1533 kWh 567 kWh £404 £57 £461 £8,506 18.5 yrs £714
3 kW 3149 kWh 2299 kWh 850 kWh £606 £85 £691 £10,133 14.7 yrs £3,696
4 kW 4199 kWh 3065 kWh 1134 kWh £809 £113 £922 £11,761 12.8 yrs £6,678
5 kW 5249 kWh 3831 kWh 1417 kWh £1,011 £142 £1,152 £13,389 11.6 yrs £9,660
6 kW 6298 kWh 4598 kWh 1701 kWh £1,213 £170 £1,383 £15,017 10.9 yrs £12,642
7 kW 7348 kWh 5364 kWh 1984 kWh £1,415 £198 £1,613 £16,644 10.3 yrs £15,624
8 kW 8398 kWh 6130 kWh 2267 kWh £1,617 £227 £1,844 £18,272 9.9 yrs £18,607

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: £1,170, Upfront: £15,139, Break-even: 12.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2099 kWh 1575 kWh 525 kWh £415 £52 £468 £10,256 21.9 yrs £-898
3 kW 3149 kWh 2362 kWh 787 kWh £623 £79 £702 £11,883 16.9 yrs £2,153
4 kW 4199 kWh 3149 kWh 1050 kWh £831 £105 £936 £13,511 14.4 yrs £5,203
5 kW 5249 kWh 3936 kWh 1312 kWh £1,038 £131 £1,170 £15,139 12.9 yrs £8,254
6 kW 6298 kWh 4724 kWh 1575 kWh £1,246 £157 £1,404 £16,767 11.9 yrs £11,305
7 kW 7348 kWh 5511 kWh 1837 kWh £1,454 £184 £1,638 £18,394 11.2 yrs £14,356
8 kW 8398 kWh 6298 kWh 2099 kWh £1,661 £210 £1,871 £20,022 10.7 yrs £17,407

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: £1,187, Upfront: £17,589, Break-even: 14.8 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 2099 kWh 1617 kWh 483 kWh £426 £48 £475 £12,706 26.8 yrs £-3,211
3 kW 3149 kWh 2425 kWh 724 kWh £640 £72 £712 £14,333 20.1 yrs £-91
4 kW 4199 kWh 3233 kWh 966 kWh £853 £97 £949 £15,961 16.8 yrs £3,028
5 kW 5249 kWh 4041 kWh 1207 kWh £1,066 £121 £1,187 £17,589 14.8 yrs £6,148
6 kW 6298 kWh 4850 kWh 1449 kWh £1,279 £145 £1,424 £19,217 13.5 yrs £9,268
7 kW 7348 kWh 5658 kWh 1690 kWh £1,493 £169 £1,662 £20,844 12.5 yrs £12,387
8 kW 8398 kWh 6466 kWh 1931 kWh £1,706 £193 £1,899 £22,472 11.8 yrs £15,507

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.

Seasonal solar output in IP4

Monthly generation per kilowatt of solar panels

kWh 41 Jan 54 Feb 89 Mar 120 Apr 125 May 127 Jun 126 Jul 115 Aug 98 Sep 70 Oct 48 Nov 36 Dec
Best month Worst month Winter (Dec–Feb) Other months

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

Best / worst month: Jun / Dec

These figures show output per kilowatt (kW) of panels installed. In winter, a 1 kW system here produces about 44 kWh per month; the average month produces around 87 kWh. So a typical 4 kW home system would generate roughly 176 kWh in winter, or 350 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
26.38p/kWh
Daily Fixed Charge
53.94p/day
Local Sunshine
1050kWh/kW
A 1 kW system generates ~1050 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: 60% • Flats: 31% • Bungalows: 6% Based on 10,540 properties

Coverage

Ipswich (93%)|East Suffolk (7%)

Areas Covered

Alexandra, Rushmere, St Margaret's, St John's, Bixley, Rushmere St Andrew, Carlford & Fynn Valley, Martlesham & Purdis Farm + 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.