- Companies
- Plumbers and heating engineers
- Lee-on-the-Solent
- Limburn Boiler & Heating Services Limited
Limburn Boiler & Heating Services Limited
- Company number
- 04303323
- Incorporated
- 11 Oct 200125 years trading
- Registered office
- Unit in2 Invincible Building, Daedalus Park, Lee-on-the-Solent, Hampshire, PO13 9FX
- Nature of business
- Plumbing, heat and air-conditioning installation
Limburn Boiler & Heating Services Limited is a 25-year-old private limited company registered in Lee-on-the-Solent, company number 04303323, one of 5 plumbing and heating companies in Lee-on-the-Solent. 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 £89K (+5.3%) on the year before, to £1.7M.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £3.4M against £1.7M owed within a year: 2.0 times cover.
- 24 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £1.7M | £304K | £3.4M | £1.7M | 24 |
| 31 Mar 2024 | £1.7M | £752K | £3M | £1.3M | 24 |
| 31 Mar 2023 | £1.6M | £145K | £2.9M | £1.2M | 23 |
| 31 Mar 2022 | £1.7M | £157K | £2.8M | £965K | 22 |
| 31 Mar 2021 | £1.8M | £261K | £2.5M | £520K | 22 |
| 31 Mar 2020 | £1.8M | £180K | £2.4M | £506K | |
| 31 Mar 2019 | £1.7M | £108K | £2.8M | £887K | |
| 31 Mar 2018 | £1.7M | £59K | £2.2M | £489K | |
| 31 Mar 2017 | £119K | ||||
| 31 Mar 2016 | £1.3M | £121K | £1.8M | £468K |
Public contracts won
Limburn Boiler & Heating Services Limited has 7 public sector contract awards on record; the ones with their own published value total £59M, from 2019 to 2026. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency4 awards
- Public Health England1 award
- Secretary of State for Health and Social Care acting as part of the Crown through Public Health England1 award
- Porton Biopharma1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | Porton - Main Plenum Replacement (North-East Wing) | £7M | 8 Oct 2026 |
| Public Health England | PHE Steam Resilience Works | Ceiling, not shown | 19 Sep 2021 |
| Secretary of State for Health and Social Care acting as part of the Crown through Public Health England | PHE Service Floors Steam Works | 1 Sep 2021 | |
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | PHE_ Capital (Works)_200007_Service Wings Steam Resilience | £20M | 8 Aug 2021 |
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | PHE_ Capital (Works)_200007_Service Wings Steam Resilience | £19M | 8 Aug 2021 |
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | PHE_ Capital (Works)_200007_Service Wings Steam Resilience | £13M | 8 Aug 2021 |
| Porton Biopharma | PBL - 150088 - PPC CRU Installation | £50K | 4 Dec 2019 |
Where Limburn Boiler & Heating Services Limited is registered
The registered office is in Lee-on-the-Solent (PO13), in the Gosport local authority area, South East. Show PO13 9FX on a map.
Other trade companies in PO13
- Dall Access & Maintenance LtdFinishing trades
- Kpac Solutions LtdPlumbers and heating engineers
- Barzan Car Wash LtdCleaning companies
- Korma LtdBuilders
- Steelmarch Group LtdMechanics and garages
- DS Refrigeration & Air Conditioning LtdPlumbers and heating engineers
- JFCS Refrigeration LtdPlumbers and heating engineers
- Socss LimitedSpecialist contractors
What happens if Limburn Boiler & Heating 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
- 04303323
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 October 2001 (25 years ago)
- Registered office
- Unit in2 Invincible Building, Daedalus Park, Lee-on-the-Solent, Hampshire, PO13 9FX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 October 2025
- Charges (mortgages)
- 1 outstanding of 2 registered
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 Lee-on-the-Solent
Other active plumbing and heating companies registered in Lee-on-the-Solent.
- Merifield Solutions Ltd2023
- Thermoglow Plumbing & Heating Ltd2016
- Goated Renovations Limited2024
- Kpac Solutions Ltd2026
All plumbing and heating companies in Lee-on-the-Solent · All trades in Lee-on-the-Solent · Plumbers and heating engineers across the UK
Frequently asked questions
When are Limburn Boiler & Heating Services Limited's accounts due?
Limburn Boiler & Heating 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 Limburn Boiler & Heating 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 Limburn Boiler & Heating Services Limited still trading?
Limburn Boiler & Heating 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 Limburn Boiler & Heating Services Limited do?
Limburn Boiler & Heating Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Limburn Boiler & Heating Services Limited?
Limburn Boiler & Heating Services Limited was incorporated on 11 October 2001, 25 years ago.
Has Limburn Boiler & Heating Services Limited won public sector contracts?
Yes. Limburn Boiler & Heating Services Limited has 7 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £59M), most recently from Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency.
What is the penalty if Limburn Boiler & Heating 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 Limburn Boiler & Heating 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.