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  4. MKC Mechanical Services Ltd

MKC Mechanical Services Ltd

Company number
15559410
Incorporated
13 Mar 20242 years trading
Registered office
Unit 4, the Old Carpenters Workshop Hyde Estate, Handcross, Haywards Heath, RH17 6HB
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
80 days
31 Dec 2026
Net assets
£220
At 31 Mar 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

MKC Mechanical Services Ltd is a 2-year-old private limited company registered in Haywards Heath, company number 15559410, one of 46 plumbing and heating companies in Haywards Heath. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
26 Mar 2027
in 165 days
Last made up to 12 Mar 2026

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Financial snapshot, 2025

From the balance sheet at 31 March 2025, as filed at Companies House.

Net assets
£220
Current assets
£9,236
Employees
0
Average during the year, including directors

Where MKC Mechanical Services Ltd is registered

MKC Mechanical Services Ltd's registered office on a map of the UK

The registered office is in Haywards Heath (RH17), in the Mid Sussex local authority area, South East. Show RH17 6HB on a map.

Other trade companies in RH17

Also registered at this address

7 other companies use the same registered office as MKC Mechanical Services Ltd.

What happens if MKC Mechanical Services Ltd 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2028another 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
15559410
Status
Active
Company type
Private limited company
Incorporated
13 March 2024 (2 years ago)
Registered office
Unit 4, the Old Carpenters Workshop Hyde Estate, Handcross, Haywards Heath, RH17 6HB
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
12 March 2026

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

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Frequently asked questions

When are MKC Mechanical Services Ltd's accounts due?

MKC Mechanical Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is MKC Mechanical Services Ltd's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is MKC Mechanical Services Ltd still trading?

MKC Mechanical Services Ltd 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 MKC Mechanical Services Ltd do?

MKC Mechanical Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is MKC Mechanical Services Ltd?

MKC Mechanical Services Ltd was incorporated on 13 March 2024, 2 years ago.

What is the penalty if MKC Mechanical Services Ltd 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 MKC Mechanical Services Ltd 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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