- Companies
- Plumbers and heating engineers
- Sevenoaks
- M & B Site Services Ltd
M & B Site Services Ltd
- Company number
- 17030474
- Incorporated
- 12 Feb 2026
- Registered office
- 5 Rock Road, Borough Green, Sevenoaks, TN15 8RD
- Nature of business
- Plumbing, heat and air-conditioning installation
M & B Site Services Ltd is a newly incorporated private limited company registered in Sevenoaks, company number 17030474, one of 60 plumbing and heating companies in Sevenoaks. Its next accounts are due at Companies House on 12 November 2027, and its first CT600 is due at HMRC on 11 February 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where M & B Site Services Ltd is registered
The registered office is in Sevenoaks (TN15), in the Tonbridge and Malling local authority area, South East. Show TN15 8RD on a map.
Other trade companies in TN15
- Ecd Developments LtdProperty developers
- Youngs Developments LimitedProperty developers
- TJK Riding Farm LimitedInstallers
- GWS Automotive Solutions LtdMechanics and garages
- G.R. Regan Roofing and Solar LimitedRoofers
- Apex Tail Lifts LtdMechanics and garages
- Paddy’S Pipes Plumbing & Drainage LtdPlumbers and heating engineers
- LK Roofing Group LtdRoofers
What happens if M & B Site 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 12 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Nov 2027 to 12 Dec 2027 | £150 |
| 1 to 3 months late | 13 Dec 2027 to 12 Feb 2028 | £375 |
| 3 to 6 months late | 13 Feb 2028 to 12 May 2028 | £750 |
| More than 6 months late | From 13 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17030474
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 February 2026
- Registered office
- 5 Rock Road, Borough Green, Sevenoaks, TN15 8RD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sevenoaks
Other active plumbing and heating companies registered in Sevenoaks.
- M. Allen Heating & Plumbing Limited2015
- MWP Air Conditioning Limited2024
- Oakhurst Property Services Ltd2005
- Paddy’S Pipes Plumbing & Drainage Ltd2026
- Paradise Plumbing Ltd2018
- Pro Plumbers (Kent) Limited2019
- R G Earl & Company Limited2001
- RCH Mechanical Plumbing Serv Ltd2021
All plumbing and heating companies in Sevenoaks · All trades in Sevenoaks · Plumbers and heating engineers across the UK
Frequently asked questions
When are M & B Site Services Ltd's accounts due?
M & B Site Services Ltd's next accounts are due at Companies House by 12 November 2027 (in 395 days), covering the period to 28 February 2027.
When is M & B Site Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 February 2027, due by 11 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is M & B Site Services Ltd still trading?
M & B Site 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 M & B Site Services Ltd do?
M & B Site Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is M & B Site Services Ltd?
M & B Site Services Ltd was incorporated on 12 February 2026, less than a year ago.
What is the penalty if M & B Site 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 M & B Site Services 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.