1. Companies
  2. Electricians
  3. Barry
  4. Slock Electrical Limited

Slock Electrical Limited

ActiveTotal exemption (full) accountsElectriciansBarry
Company number
10244106
Incorporated
21 Jun 201610 years trading
Registered office
11 Porthkerry Road, Rhoose, Barry, South Glamorgan, CF62 3HE
Nature of business
Electrical installation
Accounts due in
536 days
31 Mar 2028
Net assets
-£3,875▼
-35.5% on the year before
Cash at bank
£2,074▲
At 30 Jun 2026
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Slock Electrical Limited is a 10-year-old private limited company registered in Barry, company number 10244106, one of 30 electrical contractors in Barry. 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 536 days
For the period to 30 Jun 2027
CT600 due
30 Jun 2028
in 627 days
Period 1 Jul 2026 to 30 Jun 2027
Corporation tax payment
1 Apr 2028
in 537 days
9 months and 1 day after the period end
Confirmation statement
4 Jul 2027
in 265 days
Last made up to 20 Jun 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Slock Electrical Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets down £1,016 (-35.5%) on the year before, to -£3,875.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£5,00030 June 2017: net assets £2,124£2,124201730 June 2018: net assets £7,805£7,805201830 June 2019: net assets £1,343£1,343201930 June 2020: net assets £46£46202030 June 2021: net assets £6£6202130 June 2022: net assets £2£2202230 June 2023: net assets £4£4202330 June 2024: net assets £14£14202430 June 2025: net assets -£2,859-£2,859202530 June 2026: net assets -£3,875-£3,8752026
Net assets at each year end, 2017 to 2026£0£5,00030 June 2017: net assets £2,124£2,124'1730 June 2018: net assets £7,805£7,805'1830 June 2019: net assets £1,343£1,343'1930 June 2020: net assets £46£46'2030 June 2021: net assets £6£6'2130 June 2022: net assets £2£2'2230 June 2023: net assets £4£4'2330 June 2024: net assets £14£14'2430 June 2025: net assets -£2,859-£2,859'2530 June 2026: net assets -£3,875-£3,875'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2026-£3,875£2,074£5,9491
30 Jun 2025-£2,859£1,044£1,044£5,0131
30 Jun 2024£14£8,676£11K£13K0
30 Jun 2023£4£3,468£8,485£12K2
30 Jun 2022£2£3,141£15K£19K2
30 Jun 2021£6£2,990£16K£21K1
30 Jun 2020£46£7,677£16K£22K1
30 Jun 2019£1,343£1,998£8,4251
30 Jun 2018£7,805£6,922£7,9972
30 Jun 2017£2,124£8,287£16K1

Who runs and owns Slock Electrical Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
S*** L***DirectorJun 2016

Person with significant control

Individual · since Jul 2016
S*** L***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Slock Electrical Limited is registered

Slock Electrical Limited's registered office on a map of the UK

The registered office is in Barry (CF62), in the Vale of Glamorgan local authority area, Wales. Show CF62 3HE on a map.

Other trade companies in CF62

What happens if Slock Electrical 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
10244106
Status
Active
Company type
Private limited company
Incorporated
21 June 2016 (10 years ago)
Registered office
11 Porthkerry Road, Rhoose, Barry, South Glamorgan, CF62 3HE
Nature of business
Electrical installation (SIC 43210)
Year end
30 June (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 June 2026
Last confirmation statement
20 June 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 Barry

Other active electrical contractors registered in Barry.

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

Frequently asked questions

When are Slock Electrical Limited's accounts due?

Slock Electrical Limited's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.

When is Slock Electrical 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 Slock Electrical Limited still trading?

Slock Electrical 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 Slock Electrical Limited do?

Slock Electrical Limited is registered under Electrical installation (SIC 43210).

How old is Slock Electrical Limited?

Slock Electrical Limited was incorporated on 21 June 2016, 10 years ago.

Who runs Slock Electrical Limited?

Slock Electrical Limited has 1 active director, the longest-serving appointed in Jun 2016. Their names and service addresses are on the Companies House register.

Who owns Slock Electrical Limited?

One person or company has significant control of Slock Electrical Limited: an individual (owns 75% or more of the shares).

What is the penalty if Slock Electrical 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 Slock Electrical 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.

File accounts + CT600File now£49Let's talk