- Companies
- Plumbers and heating engineers
- Milton Keynes
- South Brit Maintenance Ltd
South Brit Maintenance Ltd
- Company number
- 16451784
- Incorporated
- 14 May 20251 year trading
- Registered office
- 52 Teasel Avenue, Conniburrow, Milton Keynes, MK14 7DS
- Nature of business
- Plumbing, heat and air-conditioning installation; Roofing activities; Landscape service activities; Other service activities n.e.c.
South Brit Maintenance Ltd is a 1-year-old private limited company registered in Milton Keynes, company number 16451784, one of 197 plumbing and heating companies in Milton Keynes. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Where South Brit Maintenance Ltd is registered
The registered office is in Milton Keynes (MK14), in the Milton Keynes local authority area, South East. Show MK14 7DS on a map.
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What happens if South Brit Maintenance 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | another 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
- 16451784
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2025 (1 year ago)
- Registered office
- 52 Teasel Avenue, Conniburrow, Milton Keynes, MK14 7DS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Roofing activities (SIC 43910)
Landscape service activities (SIC 81300)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 13 May 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.
Similar companies in Milton Keynes
Other active plumbing and heating companies registered in Milton Keynes.
- Special Bathrooms Ltd2025
- Starlight Oil Heating Services Ltd2022
- Stay Warm Heating and Plumbing Specialists Limited2026
- Steve Joyce Gas Plumbing & Heating Limited2004
- Stewart Plumbing Limited2018
- Stopcocks Maintenance Ltd2017
- Sword Plumbing and Heating Ltd2024
- Thermotech Plumbing & Heating Services Limited2012
All plumbing and heating companies in Milton Keynes · All trades in Milton Keynes · Plumbers and heating engineers across the UK
Frequently asked questions
When are South Brit Maintenance Ltd's accounts due?
South Brit Maintenance Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is South Brit Maintenance Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is South Brit Maintenance Ltd still trading?
South Brit Maintenance 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 South Brit Maintenance Ltd do?
South Brit Maintenance Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Roofing activities (SIC 43910); Landscape service activities (SIC 81300); Other service activities n.e.c. (SIC 96090).
How old is South Brit Maintenance Ltd?
South Brit Maintenance Ltd was incorporated on 14 May 2025, 1 year ago.
What is the penalty if South Brit Maintenance 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 South Brit Maintenance Ltd on Companies House for filed documents, officers and the full history.
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.