- Companies
- Plumbers and heating engineers
- Rotherham
- DK Tank Installations Limited
DK Tank Installations Limited
- Company number
- 10599222
- Incorporated
- 3 Feb 20179 years trading
- Registered office
- 139 Furlong Road, Bolton-Upon-Dearne, Rotherham, S63 8HD
- Nature of business
- Plumbing, heat and air-conditioning installation
DK Tank Installations Limited is a 9-year-old private limited company registered in Rotherham, company number 10599222, one of 158 plumbing and heating companies in Rotherham. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £21K (+8.9%) on the year before, to £252K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £270K against £65K owed within a year: 4.1 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £252K | £134K | £270K | £65K | 2 |
| 29 Feb 2024 | £231K | £158K | £194K | £22K | 2 |
| 28 Feb 2023 | £229K | £194K | £15K | 1 | |
| 28 Feb 2022 | £194K | £173K | 0 | ||
| 28 Feb 2021 | £159K | £167K | £25K | 1 | |
| 28 Feb 2020 | £166K | £185K | £9,668 | ||
| 28 Feb 2019 | £171K | £234K | £23K | 2 | |
| 28 Feb 2018 | £60K | £85K |
Where DK Tank Installations Limited is registered
The registered office is in Rotherham (S63), in the Barnsley local authority area, Yorkshire and The Humber. Show S63 8HD 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
Also registered at this address
13 other companies use the same registered office as DK Tank Installations Limited.
- Approved Auto's by KGN LtdMotor traders
- Fenlake Building & Joinery Solutions LimitedJoiners and carpenters
- HDM Electrical Services LtdElectricians
- J M Wadey Accident Repair Centre LtdMechanics and garages
- J.Goodson Electrical LimitedElectricians
- Jennings Groundworks LimitedBuilders
- JW Roofing & Renewables LimitedRoofers
- LPR Installations Group LtdElectricians
- M N J Mot's LimitedMechanics and garages
- PK Auto Sales and Repairs LtdMotor traders
- R C Electrical and Security LtdCivil engineering
- Regency Protective Wallcoatings LtdFloor and wall tilers
- W&N Investments LtdProperty developers
What happens if DK Tank Installations 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10599222
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 February 2017 (9 years ago)
- Registered office
- 139 Furlong Road, Bolton-Upon-Dearne, Rotherham, S63 8HD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 2 February 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 Rotherham
Other active plumbing and heating companies registered in Rotherham.
- DLF Plumbing & Heating Ltd2014
- DMM Plumbing & Heating Ltd2023
- DNL Plumbing & Heating Limited2017
- DS Plumbing and Heating Services Ltd2020
- DTS Plumbing & Heating Services Ltd2016
- Dual-Air Limited2013
- E.T Pipework Services Ltd2021
- Eco Gas Services Ltd2007
All plumbing and heating companies in Rotherham · All trades in Rotherham · Plumbers and heating engineers across the UK
Frequently asked questions
When are DK Tank Installations Limited's accounts due?
DK Tank Installations Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is DK Tank Installations Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is DK Tank Installations Limited still trading?
DK Tank Installations 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 DK Tank Installations Limited do?
DK Tank Installations Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DK Tank Installations Limited?
DK Tank Installations Limited was incorporated on 3 February 2017, 9 years ago.
What is the penalty if DK Tank Installations 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 DK Tank Installations 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.