- Companies
- Plumbers and heating engineers
- Reading
- Castello Heating Services Ltd
Castello Heating Services Ltd
- Company number
- 12261979
- Incorporated
- 15 Oct 20196 years trading
- Registered office
- 5 Chamberlain Gardens, Arborfield Cross, Reading, RG2 9QA
- Nature of business
- Plumbing, heat and air-conditioning installation
Castello Heating Services Ltd is a 6-year-old private limited company registered in Reading, company number 12261979, one of 221 plumbing and heating companies in Reading. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £18K (+115.3%) on the year before, to £33K.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £58K against £25K owed within a year: 2.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £33K | £58K | £25K | 1 | |
| 31 Oct 2024 | £15K | £26K | £11K | 1 | |
| 31 Oct 2023 | £9,889 | £18K | £9,991 | 1 | |
| 31 Oct 2022 | £7,343 | £22K | 1 | ||
| 31 Oct 2021 | £2,657 | £11K | £12K | 1 | |
| 31 Oct 2020 | -£431 | £4,242 | £5,503 | 1 |
Where Castello Heating Services Ltd is registered
The registered office is in Reading (RG2), in the Wokingham local authority area, South East. Show RG2 9QA on a map.
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What happens if Castello Heating Services Ltd 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12261979
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 October 2019 (6 years ago)
- Registered office
- 5 Chamberlain Gardens, Arborfield Cross, Reading, RG2 9QA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 14 October 2025
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 Reading
Other active plumbing and heating companies registered in Reading.
- Chilli Pepper Properties Limited2010
- Chris Jones & Son Ltd2007
- Clark Bicknell Ltd1999
- CLH Plumbing & Heating Limited2026
- Climahub Ltd2026
- Codling Climate Solutions Ltd2026
- Comfy Heating & Plumbing Ltd2015
- Commercial Catering and Refrigeration Services Ltd2022
All plumbing and heating companies in Reading · All trades in Reading · Plumbers and heating engineers across the UK
Frequently asked questions
When are Castello Heating Services Ltd's accounts due?
Castello Heating Services Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Castello Heating Services Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Castello Heating Services Ltd still trading?
Castello Heating Services Ltd 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 Castello Heating Services Ltd do?
Castello Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Castello Heating Services Ltd?
Castello Heating Services Ltd was incorporated on 15 October 2019, 6 years ago.
What is the penalty if Castello Heating Services Ltd 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 Castello Heating Services Ltd 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.