- Companies
- Plumbers and heating engineers
- Rotherham
- Allgas 1 Limited
Allgas 1 Limited
- Company number
- 07471673
- Incorporated
- 16 Dec 201015 years trading
- Registered office
- Unit 2, Century Park Network Centre Dearne Lane, Manvers, Rotherham, S63 5DE
- Nature of business
- Plumbing, heat and air-conditioning installation
Allgas 1 Limited is a 15-year-old private limited company registered in Rotherham, company number 07471673, one of 158 plumbing and heating companies in Rotherham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £46K (+7.2%) on the year before, to £679K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £398K against £4,856 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £679K | £398K | £4,856 | 1 | |
| 31 Dec 2024 | £634K | £366K | £12K | 1 | |
| 31 Dec 2023 | £557K | £325K | £15K | 1 | |
| 31 Dec 2022 | £515K | £380K | £49K | 0 | |
| 31 Dec 2021 | £512K | £351K | £96K | 0 |
Public contracts won
Allgas 1 Limited has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. For all 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.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Affinity Water Limited | UVDB Powered by Achilles QUDM for Goods, Works and Services | Ceiling, not shown | 19 Aug 2026 |
Where Allgas 1 Limited is registered
The registered office is in Rotherham (S63), in the Rotherham local authority area, Yorkshire and The Humber. Show S63 5DE on a map.
Other trade companies in S63
- Birdwell Motor Company LtdMotor traders
- Propel Service Group LtdCleaning companies
- Nuttall Heavy Engineering LtdMechanics and garages
- Ink Joinery LimitedJoiners and carpenters
- SWJL Services LtdElectricians
- Form. Landscaping LtdFinishing trades
- Goodwin Roofing Specialists LtdRoofers
- At Capital Developments LtdBuilders
What happens if Allgas 1 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 07471673
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 December 2010 (15 years ago)
- Registered office
- Unit 2, Century Park Network Centre Dearne Lane, Manvers, Rotherham, S63 5DE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 23 September 2025
- Charges (mortgages)
- 1 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 Rotherham
Other active plumbing and heating companies registered in Rotherham.
- Apm Services (Sy) Ltd2022
- Ashgas Ltd2018
- Ask 4 Plumbing and Heating Services Limited2018
- B R Gas UK Ltd2007
- BCD Plumbing & Heating Ltd2025
- Birchfield Plumbing & Heating Ltd2024
- Blue Chip Plumbing & Heating Ltd2026
- Blumco Ltd2026
All plumbing and heating companies in Rotherham · All trades in Rotherham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Allgas 1 Limited's accounts due?
Allgas 1 Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Allgas 1 Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Allgas 1 Limited still trading?
Allgas 1 Limited is listed as active on the Companies House register (checked 13 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 Allgas 1 Limited do?
Allgas 1 Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Allgas 1 Limited?
Allgas 1 Limited was incorporated on 16 December 2010, 15 years ago.
Has Allgas 1 Limited won public sector contracts?
Yes. Allgas 1 Limited has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from AFFINITY WATER LIMITED.
What is the penalty if Allgas 1 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 Allgas 1 Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.