- Companies
- Plumbers and heating engineers
- Swindon
- Delta Boiler Services Ltd
Delta Boiler Services Ltd
- Company number
- 13516442
- Incorporated
- 17 Jul 20215 years trading
- Registered office
- 149 Albion Street, Swindon, SN1 5LP
- Nature of business
- Plumbing, heat and air-conditioning installation
Delta Boiler Services Ltd is a 5-year-old private limited company registered in Swindon, company number 13516442, one of 164 plumbing and heating companies in Swindon. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 down £3,807 (-69.8%) on the year before, to £1,650.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £435 against £6,804 owed within a year: 0.1 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £1,650 | £435 | £6,804 | 1 | |
| 31 Jul 2024 | £5,457 | £400 | £3,853 | 2 | |
| 31 Jul 2023 | £11K | £1,887 | £1,225 | 2 | |
| 31 Jul 2022 | £144 | £3,436 | £3,292 | 2 |
Where Delta Boiler Services Ltd is registered
The registered office is in Swindon (SN1), in the Swindon local authority area, South West. Show SN1 5LP on a map.
Other trade companies in SN1
- Terraform Surfacing LimitedSpecialist contractors
- Haq Builders Swindon LtdBuilders
- Yeshi Construction LimitedBuilders
- Built & Bespoke LtdBuilders
- Saxon Property Care LtdBuilders
- DBX Contracts LimitedBuilders
- Hamaazs LtdSpecialist contractors
- E&R Electrics LtdElectricians
What happens if Delta Boiler 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 13516442
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2021 (5 years ago)
- Registered office
- 149 Albion Street, Swindon, SN1 5LP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 13 November 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 Swindon
Other active plumbing and heating companies registered in Swindon.
- Demydea Fittings Ltd2026
- Dias Plumbing & Heating Ltd.2026
- DPM Heating and Plumbing Limited2013
- DT Vent Ltd2025
- Eco Gas and Plumbing Ltd2024
- Essential Plumbing Services Ltd2016
- Expert Energy Ltd2022
- Fast Plumbing & Heating Ltd2022
All plumbing and heating companies in Swindon · All trades in Swindon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Delta Boiler Services Ltd's accounts due?
Delta Boiler Services Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Delta Boiler Services Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Delta Boiler Services Ltd still trading?
Delta Boiler 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 Delta Boiler Services Ltd do?
Delta Boiler Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Delta Boiler Services Ltd?
Delta Boiler Services Ltd was incorporated on 17 July 2021, 5 years ago.
What is the penalty if Delta Boiler 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 Delta Boiler 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.