Independent solar numbers for your postcode using official UK data
Home Regions Guides Compare quotes Solar assistant
Insights
Big Roof Britain Solar Payback Index Standing Charge Drag Roof Direction Penalty Winter Solar Reality Seasonal Solar Output

Solar panel cost in Newry, Mourne and Down (BT34)

See realistic solar installation costs, savings and payback for BT34 (Newry, Mourne and Down) 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
30.2 years
After this, it's pure profit
Upfront Cost
£9,767
What you pay to get started
Annual Benefit
£323
What you save every year
Profit Over 25 Years
£-1,687
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.

Get Solar Quote →
4.8★ Trustpilot • Octopus Energy trusted partner • MCS certified • No obligation
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 Northern Ireland, the current unit rate is 0.00p/kWh with a 0.00p/day standing charge. Your postcode’s south-facing sunshine yield is 898 kWh/kW — 93 below the regional median (991).

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 898 kWh per year on a south-facing roof. We value self-used electricity at 0.0p and exported surplus at a baseline 10p via SEG. Use the calculator above for your exact tariff.

Unit rate
0.0p/kWh
Standing charge
0.0p/day
Sunshine yield (south)
898 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: £269, Upfront: £8,139, Break-even: 30.2 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1796 kWh 718 kWh 1077 kWh £0 £108 £108 £3,256 30.2 yrs £-1,101
3 kW 2693 kWh 1077 kWh 1616 kWh £0 £162 £162 £4,883 30.2 yrs £-1,651
4 kW 3591 kWh 1436 kWh 2155 kWh £0 £215 £215 £6,511 30.2 yrs £-2,202
5 kW 4489 kWh 1796 kWh 2693 kWh £0 £269 £269 £8,139 30.2 yrs £-2,752
6 kW 5387 kWh 2155 kWh 3232 kWh £0 £323 £323 £9,767 30.2 yrs £-3,303
7 kW 6284 kWh 2514 kWh 3771 kWh £0 £377 £377 £11,394 30.2 yrs £-3,853
8 kW 7182 kWh 2873 kWh 4309 kWh £0 £431 £431 £13,022 30.2 yrs £-4,403

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: £180, Upfront: £10,239, Break-even: 57.0 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1796 kWh 1077 kWh 718 kWh £0 £72 £72 £5,356 74.6 yrs £-3,919
3 kW 2693 kWh 1616 kWh 1077 kWh £0 £108 £108 £6,983 64.8 yrs £-4,829
4 kW 3591 kWh 2155 kWh 1436 kWh £0 £144 £144 £8,611 59.9 yrs £-5,738
5 kW 4489 kWh 2693 kWh 1796 kWh £0 £180 £180 £10,239 57.0 yrs £-6,648
6 kW 5387 kWh 3232 kWh 2155 kWh £0 £215 £215 £11,867 55.1 yrs £-7,557
7 kW 6284 kWh 3771 kWh 2514 kWh £0 £251 £251 £13,494 53.7 yrs £-8,467
8 kW 7182 kWh 4309 kWh 2873 kWh £0 £287 £287 £15,122 52.6 yrs £-9,376

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: £135, Upfront: £11,639, Break-even: 86.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1796 kWh 1257 kWh 539 kWh £0 £54 £54 £6,756 125.4 yrs £-5,678
3 kW 2693 kWh 1885 kWh 808 kWh £0 £81 £81 £8,383 103.8 yrs £-6,767
4 kW 3591 kWh 2514 kWh 1077 kWh £0 £108 £108 £10,011 92.9 yrs £-7,856
5 kW 4489 kWh 3142 kWh 1347 kWh £0 £135 £135 £11,639 86.4 yrs £-8,945
6 kW 5387 kWh 3771 kWh 1616 kWh £0 £162 £162 £13,267 82.1 yrs £-10,035
7 kW 6284 kWh 4399 kWh 1885 kWh £0 £189 £189 £14,894 79.0 yrs £-11,124
8 kW 7182 kWh 5028 kWh 2155 kWh £0 £215 £215 £16,522 76.7 yrs £-12,213

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: £121, Upfront: £13,389, Break-even: 110.5 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1796 kWh 1311 kWh 485 kWh £0 £48 £48 £8,506 175.4 yrs £-7,536
3 kW 2693 kWh 1966 kWh 727 kWh £0 £73 £73 £10,133 139.3 yrs £-8,679
4 kW 3591 kWh 2621 kWh 970 kWh £0 £97 £97 £11,761 121.3 yrs £-9,822
5 kW 4489 kWh 3277 kWh 1212 kWh £0 £121 £121 £13,389 110.5 yrs £-10,965
6 kW 5387 kWh 3932 kWh 1454 kWh £0 £145 £145 £15,017 103.3 yrs £-12,108
7 kW 6284 kWh 4588 kWh 1697 kWh £0 £170 £170 £16,644 98.1 yrs £-13,251
8 kW 7182 kWh 5243 kWh 1939 kWh £0 £194 £194 £18,272 94.2 yrs £-14,394

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: £112, Upfront: £15,139, Break-even: 134.9 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1796 kWh 1347 kWh 449 kWh £0 £45 £45 £10,256 228.5 yrs £-9,358
3 kW 2693 kWh 2020 kWh 673 kWh £0 £67 £67 £11,883 176.5 yrs £-10,537
4 kW 3591 kWh 2693 kWh 898 kWh £0 £90 £90 £13,511 150.5 yrs £-11,716
5 kW 4489 kWh 3367 kWh 1122 kWh £0 £112 £112 £15,139 134.9 yrs £-12,894
6 kW 5387 kWh 4040 kWh 1347 kWh £0 £135 £135 £16,767 124.5 yrs £-14,073
7 kW 6284 kWh 4713 kWh 1571 kWh £0 £157 £157 £18,394 117.1 yrs £-15,252
8 kW 7182 kWh 5387 kWh 1796 kWh £0 £180 £180 £20,022 111.5 yrs £-16,431

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: £103, Upfront: £17,589, Break-even: 170.4 yrs
System Annual output Self-use Exported Bill saving Export income Annual benefit Upfront cost Break-even 20-year net
2 kW 1796 kWh 1383 kWh 413 kWh £0 £41 £41 £12,706 307.7 yrs £-11,880
3 kW 2693 kWh 2074 kWh 619 kWh £0 £62 £62 £14,333 231.4 yrs £-13,094
4 kW 3591 kWh 2765 kWh 826 kWh £0 £83 £83 £15,961 193.2 yrs £-14,309
5 kW 4489 kWh 3456 kWh 1032 kWh £0 £103 £103 £17,589 170.4 yrs £-15,524
6 kW 5387 kWh 4148 kWh 1239 kWh £0 £124 £124 £19,217 155.1 yrs £-16,739
7 kW 6284 kWh 4839 kWh 1445 kWh £0 £145 £145 £20,844 144.2 yrs £-17,954
8 kW 7182 kWh 5530 kWh 1652 kWh £0 £165 £165 £22,472 136.0 yrs £-19,168

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 Newry, Mourne and Down

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.

Compare solar quotes before you sign

Check what MCS certification means

Understand DNO, G98 and G99 export limits

New quote check

Want a quote sanity check for BT34?

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 BT34

Figures below are tailored to BT34 — click through for full league tables.

Aspect Penalty View ranking →
East −21.0% West −20.3%
Typical output loss versus a south-facing roof (lower is better)

Seasonal solar output in BT34

Monthly generation per kilowatt of solar panels

kWh 30 Jan 47 Feb 79 Mar 105 Apr 118 May 111 Jun 108 Jul 99 Aug 79 Sep 58 Oct 38 Nov 26 Dec
Best month Worst month Winter (Dec–Feb) Other months

Winter output: 46.1% 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 34 kWh per month; the average month produces around 75 kWh. So a typical 4 kW home system would generate roughly 138 kWh in winter, or 299 kWh in an average month.

Your Area at a Glance

Your Electricity Rate
0.00p/kWh
Daily Fixed Charge
0.00p/day
Local Sunshine
898kWh/kW
A 1 kW system generates ~898 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

No EPC data available for this outcode

Coverage

Newry, Mourne and Down (94%)|Armagh City, Banbridge and Craigavon (6%)

Areas Covered

Abbey, Mayobridge, Hilltown, Warrenpoint, Rostrevor, St. Patrick's, Burren, Tollymore + 4 more

Data Sources & Assumptions

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

Electricity rates: Ofgem price cap,

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 Northern Ireland

BT35 (Newry, Mourne and Down)
≈11.7 km away
Local sunshine: ~886 kWh/kWp · -1% vs BT34
BT32 (Armagh City, Banbridge and Craigavon)
≈20.6 km away
Local sunshine: ~889 kWh/kWp · -1% vs BT34
BT31 (Newry, Mourne and Down)
≈21.4 km away
Local sunshine: ~916 kWh/kWp · +2% vs BT34
BT33 (Newry, Mourne and Down)
≈22.2 km away
Local sunshine: ~895 kWh/kWp · -0% vs BT34
BT25 (Armagh City, Banbridge and Craigavon)
≈27.4 km away
Local sunshine: ~886 kWh/kWp · -1% vs BT34
BT63 (Armagh City, Banbridge and Craigavon)
≈31.2 km away
Local sunshine: ~880 kWh/kWp · -2% vs BT34

Similar sunshine across the UK

PR25 (South Ribble)
~898 kWh/kWp · +0% vs BT34
EH32 (East Lothian)
~897 kWh/kWp · -0% vs BT34
CF45 (Rhondda Cynon Taf)
~898 kWh/kWp · +0% vs BT34