- Companies
- Plumbers and heating engineers
- Hailsham
- Rubon Mechanical Services Limited
Rubon Mechanical Services Limited
- Company number
- 13111570
- Incorporated
- 4 Jan 20215 years trading
- Registered office
- 30-34 North Street, Hailsham, BN27 1DW
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Rubon Mechanical Services Limited is a 5-year-old private limited company registered in Hailsham, company number 13111570, one of 34 plumbing and heating companies in Hailsham. 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.
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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 up £378K (+74.9%) on the year before, to £883K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £1.2M against £335K owed within a year: 3.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £883K | £654K | £1.2M | £335K | 0 |
| 31 Mar 2024 | £505K | £302K | £716K | £226K | 0 |
| 31 Mar 2023 | £401K | £318K | £564K | £178K | 0 |
| 31 Mar 2022 | £132K | £126K | £197K | £79K | 0 |
Public contracts won
Rubon Mechanical Services Limited has 8 public sector contract awards on record; the ones with their own published value total £1.8M, from 2024 to 2026. Source: Contracts Finder and Find a Tender award notices. 5 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- NHS Property Services Limited5 awards
- NHS Property Services Limited2 awards
- University Hospitals Sussex NHS Foundation Trust1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| NHS Property Services Limited | Refurb and replacement of the heating, hot water & associated mechanical and electrical systems | £598K | 1 Sep 2026 |
| NHS Property Services Limited | Boiler Replacement at The Isleworth Centre | £386K | 14 Apr 2026 |
| NHS Property Services Limited | HESA Primary Care – Electrical LV Panel & Boiler Replacement | £144K | 27 Aug 2025 |
| NHS Property Services Limited | Gas Boiler Replacement | £118K | 27 Aug 2025 |
| NHS Property Services Limited | The Boiler Room Refurbishment | £124K | 27 Aug 2025 |
| University Hospitals Sussex NHS Foundation Trust | Water supply & Infrastructure Worthing Hospital | £121K | 19 Mar 2025 |
| NHS Property Services Limited | Totton Health Centre - Boiler upgrades | £242K | 19 Nov 2024 |
| NHS Property Services Limited | Update to Boiler Controls at Belmont Health Centre | £76K | 17 Sep 2024 |
Where Rubon Mechanical Services Limited is registered
The registered office is in Hailsham (BN27), in the Wealden local authority area, South East. Show BN27 1DW on a map.
Other trade companies in BN27
- Smithy’S Autos Mobile Mechanic LtdMechanics and garages
- Trinity Build Group LtdInstallers
- Brighton Laundry Lady LtdCleaning companies
- Corelink FM LtdProperty developers
- Grimebusters LtdCleaning companies
- Sequoia Fire Protection LimitedInstallers
- Eagle and Wolf Construction LtdBuilders
- Worcester Plumbing & Heating LtdPlumbers and heating engineers
Shared registered office
219 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Rubon Mechanical Services 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | 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
- 13111570
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2021 (5 years ago)
- Registered office
- 30-34 North Street, Hailsham, BN27 1DW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 September 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 Hailsham
Other active plumbing and heating companies registered in Hailsham.
- Simes Plumbing & Heating Limited2016
- Stephen Woodley Heating & Plumbing Limited2008
- The Independent Heating Company Limited1987
- TLP Building Services Limited2003
- Upfields Plumbing & Heating Contractors Limited1991
- Vos Heating Services Ltd2006
- Worcester Plumbing & Heating Ltd2026
- Yph (Yarnton Plumbing & Heating) Limited2004
All plumbing and heating companies in Hailsham · All trades in Hailsham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Rubon Mechanical Services Limited's accounts due?
Rubon Mechanical Services Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Rubon Mechanical Services Limited'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 Rubon Mechanical Services Limited still trading?
Rubon Mechanical Services 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 Rubon Mechanical Services Limited do?
Rubon Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Rubon Mechanical Services Limited?
Rubon Mechanical Services Limited was incorporated on 4 January 2021, 5 years ago.
Has Rubon Mechanical Services Limited won public sector contracts?
Yes. Rubon Mechanical Services Limited has 8 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.8M), most recently from NHS Property Services Limited.
What is the penalty if Rubon Mechanical Services 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 Rubon Mechanical Services Limited 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.