- Companies
- Plumbers and heating engineers
- Biggleswade
- Atlantis Plumbing Company Limited
Atlantis Plumbing Company Limited
- Company number
- 05957116
- Incorporated
- 5 Oct 200620 years trading
- Registered office
- Unit 1 Granary Building Millow Hall Farm, Dunton, Biggleswade, Herts, SG18 8RH
- Nature of business
- Plumbing, heat and air-conditioning installation
Atlantis Plumbing Company Limited is a 20-year-old private limited company registered in Biggleswade, company number 05957116, one of 22 plumbing and heating companies in Biggleswade. 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 £14K (+3.5%) on the year before, to £422K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £422K | £116K | £879K | 0 | |
| 31 Mar 2024 | £408K | £292K | £1M | £590K | 6 |
| 31 Mar 2023 | £386K | £168K | £1.1M | £678K | 6 |
| 31 Mar 2022 | £360K | £455K | £875K | £432K | 6 |
| 31 Mar 2021 | £347K | £346K | £1M | £510K | 6 |
| 31 Mar 2020 | £372K | £125K | £622K | £274K | 6 |
| 31 Mar 2019 | £415K | £339K | £616K | £225K | |
| 31 Mar 2018 | £337K | £244K | £699K | £378K |
Where Atlantis Plumbing Company Limited is registered
The registered office is in Biggleswade (SG18), in the Central Bedfordshire local authority area, East of England. Show SG18 8RH on a map.
Other trade companies in SG18
- Velox Performance LtdMechanics and garages
- Imperial Block and Beam LtdBuilders
- Khyne Homes LimitedProperty developers
- JM Control Installations LtdElectricians
- K Flow Heating and Engineering LimitedPlumbers and heating engineers
- Forward Gear LtdMotor traders
- A-Number One Gardening Services LimitedLandscapers and gardeners
- The Mould Removal Company LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as Atlantis Plumbing Company Limited.
- Agrt Enterprises LtdProperty developers
What happens if Atlantis Plumbing Company 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
- 05957116
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 October 2006 (20 years ago)
- Registered office
- Unit 1 Granary Building Millow Hall Farm, Dunton, Biggleswade, Herts, SG18 8RH
- 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
- 5 October 2025
- Charges (mortgages)
- 0 outstanding of 1 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 Biggleswade
Other active plumbing and heating companies registered in Biggleswade.
- Cambourne Mechanical Services Ltd2017
- CK Plumbing & Tiling Ltd2024
- Dormer Property Services Limited2024
- Eco Plumbing Services Limited2008
- Heated Plumbing Ltd2025
- Hollidge Plumbing and Heating Ltd2021
- Jackson Christie Limited2019
- Jones Assist UK Ltd2020
All plumbing and heating companies in Biggleswade · All trades in Biggleswade · Plumbers and heating engineers across the UK
Frequently asked questions
When are Atlantis Plumbing Company Limited's accounts due?
Atlantis Plumbing Company Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Atlantis Plumbing Company 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 Atlantis Plumbing Company Limited still trading?
Atlantis Plumbing Company 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 Atlantis Plumbing Company Limited do?
Atlantis Plumbing Company Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Atlantis Plumbing Company Limited?
Atlantis Plumbing Company Limited was incorporated on 5 October 2006, 20 years ago.
What is the penalty if Atlantis Plumbing Company 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 Atlantis Plumbing Company 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.