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- Plumbers and heating engineers
- Chesterfield
- RTB-UK Limited
Company profile · Plumbers and heating engineers
RTB-UK Limited
RTB-UK Limited is a 10-year-old private limited company registered in Chesterfield, company number 09845876, one of 115 plumbing and heating companies in Chesterfield. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 April 2026, as filed at Companies House.
RTB-UK Limited over the years
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 £18K (+66.7%) on the year before, to £44K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £33K against £12K owed within a year: 2.7 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £44K | £33K | £12K | 3 | |
| 30 Apr 2025 | £27K | £7,869 | £31K | £7,418 | 2 |
| 30 Apr 2024 | £18K | £2,196 | £45K | £16K | 2 |
| 30 Apr 2023 | £49 | £1,018 | £40K | £35K | 2 |
| 31 Oct 2022 | £2,484 | £3,217 | £32K | £30K | 2 |
| 31 Oct 2021 | £8 | £1,731 | £42K | £42K | 2 |
| 31 Oct 2020 | £11 | £528 | £32K | £32K | 2 |
| 31 Oct 2019 | £9 | £107 | £19K | £19K | 2 |
| 31 Oct 2018 | £11 | £12 | £25K | £19K | |
| 31 Oct 2017 | -£4,863 | £227 | £23K | £18K |
Where RTB-UK Limited is registered
The registered office is in Chesterfield (S44), in the Chesterfield local authority area, East Midlands. Show S44 5HS on a map.
Other trade companies in S44
- Car Care Tech LimitedMotor traders
- Timberland Motorhomes LtdMotor traders
- Packmech Engineering Services LtdMachinery repair and installation
- LJB Civils LtdCivil engineering
- Simply Sarah Cleaning LimitedCleaning companies
- M&M Insulation LtdInstallers
- Washy Luxe LimitedCleaning companies
- Chatsworth Property Solutions LtdSpecialist contractors
What happens if RTB-UK 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 09845876
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2015 (10 years ago)
- Registered office
- Unit 61 M1 Commerce Park Markham Lane, Duckmanton, Chesterfield, S44 5HS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 24 August 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 Chesterfield
Other active plumbing and heating companies registered in Chesterfield.
- S.R. Hedley Plumbing & Heating Ltd2024
- Sar Renewables Ltd2026
- Simpson Property Services (Em) Limited2016
- Smart Heat Experts Limited2025
- Spacies Plumbing Ltd2025
- Starmann Plumbing Ltd2026
- Ted Hayward Ltd2025
- Tgas Chesterfield Limited2013
All plumbing and heating companies in Chesterfield · All trades in Chesterfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are RTB-UK Limited's accounts due?
RTB-UK Limited's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is RTB-UK Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is RTB-UK Limited still trading?
RTB-UK 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 RTB-UK Limited do?
RTB-UK Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is RTB-UK Limited?
RTB-UK Limited was incorporated on 28 October 2015, 10 years ago.
What is the penalty if RTB-UK 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 RTB-UK Limited on Companies House for filed documents, officers and the full history.
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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.