- Companies
- Plumbers and heating engineers
- Potters Bar
- R Castle Limited
R Castle Limited
- Company number
- 11533948
- Incorporated
- 23 Aug 20188 years trading
- Registered office
- 1ST Floor, 2 Station Close, Potters Bar, Hertfordshire, EN6 1TL
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
R Castle Limited is a 8-year-old private limited company registered in Potters Bar, company number 11533948, one of 27 plumbing and heating companies in Potters Bar. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 down £1,708 (-363.4%) on the year before, to -£1,238.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £32K against £37K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | -£1,238 | £32K | £37K | 1 | |
| 28 Feb 2025 | £470 | £41K | £46K | 1 | |
| 28 Feb 2024 | £23K | £62K | £48K | 1 | |
| 28 Feb 2023 | £65K | £91K | £25K | 1 | |
| 31 Aug 2021 | £37K | £98K | £63K | 1 | |
| 31 Aug 2020 | £19K | £70K | £53K | 1 | |
| 31 Aug 2019 | £475 | £19K | £22K | 1 |
Where R Castle Limited is registered
The registered office is in Potters Bar (EN6), in the Hertsmere local authority area, East of England. Show EN6 1TL on a map.
Other trade companies in EN6
- Hertfordshire Roofing and Guttering Repairs LtdRoofers
- Vata RC Frames LtdSpecialist contractors
- Avanti Airtech LimitedPlumbers and heating engineers
- Azmaj Group LtdFinishing trades
- Burbridge Roofing and Build LtdBuilders
- Roman Way Holdings LtdProperty developers
- Westshire Property Services LimitedFinishing trades
- Oska Auto LtdMechanics and garages
Also registered at this address
10 other companies use the same registered office as R Castle Limited.
- Absolute Maintenance (GB) LimitedSpecialist contractors
- CJ Ackroyds Roofing & Property Maintenance LimitedProperty developers
- Defined Builds LimitedFinishing trades
- G.A.C 24/7 Solutions LimitedFinishing trades
- Little Heath Roofing LimitedRoofers
- NCM International LimitedPlumbers and heating engineers
- Slade Formwork LtdBuilders
- UK Design & Build LimitedBuilders
- Wormalds LimitedPlumbers and heating engineers
- Zaptap LimitedElectricians
What happens if R Castle 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11533948
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2018 (8 years ago)
- Registered office
- 1ST Floor, 2 Station Close, Potters Bar, Hertfordshire, EN6 1TL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 22 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 Potters Bar
Other active plumbing and heating companies registered in Potters Bar.
- Sensa Services Ltd2009
- The City Plumbing & Heating Co. (1991) Limited1991
- The Plumber Man Limited2009
- Waspheating Ltd2023
- Wormalds Limited2025
- Aerocontrols Air Conditioning Ltd2025
- Bacrest Limited2008
- Cavendish Gas Services Ltd2008
All plumbing and heating companies in Potters Bar · All trades in Potters Bar · Plumbers and heating engineers across the UK
Frequently asked questions
When are R Castle Limited's accounts due?
R Castle Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is R Castle Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is R Castle Limited still trading?
R Castle 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 R Castle Limited do?
R Castle Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is R Castle Limited?
R Castle Limited was incorporated on 23 August 2018, 8 years ago.
What is the penalty if R Castle 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 R Castle 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.