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  4. Watt Solar Solution Limited

Watt Solar Solution Limited

ActiveMicro-entity accountsElectriciansLeeds
Company number
16311678
Incorporated
12 Mar 20251 year trading
Registered office
4 Harewood Villas Malt Kiln Lane, Harewood, Leeds, LS17 9BZ
Nature of business
Electrical installation
Accounts due in
535 days
31 Mar 2028
Net assets
£94K
At 30 Jun 2026
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Watt Solar Solution Limited is a 1-year-old private limited company registered in Leeds, company number 16311678, one of 478 electrical contractors in Leeds. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Mar 2028
in 535 days
For the period to 30 Jun 2027
CT600 due
30 Jun 2028
in 626 days
Period 1 Jul 2026 to 30 Jun 2027
Corporation tax payment
1 Apr 2028
in 536 days
9 months and 1 day after the period end
Confirmation statement
25 Mar 2027
in 163 days
Last made up to 11 Mar 2026

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Financial snapshot, 2026

From the balance sheet at 30 June 2026, as filed at Companies House.

Net assets
£94K
Current assets
£330K
Employees
0
Average during the year, including directors

Where Watt Solar Solution Limited is registered

Watt Solar Solution Limited's registered office on a map of the UK

The registered office is in Leeds (LS17), in the Leeds local authority area, Yorkshire and The Humber. Show LS17 9BZ on a map.

Other trade companies in LS17

What happens if Watt Solar Solution Limited files late

Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 March 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2028 to 30 Apr 2028£150
1 to 3 months late1 May 2028 to 30 Jun 2028£375
3 to 6 months late1 Jul 2028 to 30 Sep 2028£750
More than 6 months lateFrom 1 Oct 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jul 2028£200
3 months late30 Sep 2028another £200
6 months late30 Dec 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 2029another 10% of any unpaid tax

For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.

Company details

As held on the Companies House register.

Company number
16311678
Status
Active
Company type
Private limited company
Incorporated
12 March 2025 (1 year ago)
Registered office
4 Harewood Villas Malt Kiln Lane, Harewood, Leeds, LS17 9BZ
Nature of business
Electrical installation (SIC 43210)
Year end
30 June (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 June 2026
Last confirmation statement
11 March 2026

Filing notes for electrical contractors

Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.

Similar companies in Leeds

Other active electrical contractors registered in Leeds.

All electrical contractors in Leeds · All trades in Leeds · Electricians across the UK

Frequently asked questions

When are Watt Solar Solution Limited's accounts due?

Watt Solar Solution Limited's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.

When is Watt Solar Solution Limited's CT600 due?

The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.

Is Watt Solar Solution Limited still trading?

Watt Solar Solution Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.

What does Watt Solar Solution Limited do?

Watt Solar Solution Limited is registered under Electrical installation (SIC 43210).

How old is Watt Solar Solution Limited?

Watt Solar Solution Limited was incorporated on 12 March 2025, 1 year ago.

What is the penalty if Watt Solar Solution Limited files its accounts late?

Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.

Official records

View Watt Solar Solution Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.

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