- Companies
- Plumbers and heating engineers
- Thetford
- Swift Boilers Ltd
Swift Boilers Ltd
- Company number
- 10634918
- Incorporated
- 23 Feb 20179 years trading
- Registered office
- 48 Priory Road, Thetford, IP25 6PQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Swift Boilers Ltd is a 9-year-old private limited company registered in Thetford, company number 10634918, one of 27 plumbing and heating companies in Thetford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £14K (-8.2%) on the year before, to £161K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £171K against £38K owed within a year: 4.5 times cover.
- 4 employees on average, down from 5 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £161K | £171K | £38K | 4 | |
| 31 Mar 2024 | £175K | £195K | £42K | 5 | |
| 31 Mar 2023 | £168K | £185K | £47K | 6 | |
| 31 Mar 2022 | £162K | £176K | £47K | 6 | |
| 31 Mar 2021 | £95K | £122K | £48K | 4 | |
| 31 Mar 2020 | £68K | £94K | £30K | ||
| 31 Mar 2019 | £54K | £107K | £62K | ||
| 31 Mar 2018 | £24K | £21K | £81K | £53K |
Where Swift Boilers Ltd is registered
The registered office is in Thetford (IP25), in the Breckland local authority area, East of England. Show IP25 6PQ on a map.
Other trade companies in IP25
- Premier Property Maintenance & Renovations LimitedFinishing trades
- STN Engineering LimitedMachinery repair and installation
- N W Howe & Son LtdFinishing trades
- JMS Technical Services LtdElectricians
- HRŌF Group LtdCleaning companies
- SP Automotive Pro LtdMechanics and garages
- Tma Elite Tint LtdMechanics and garages
- MTH Commercial Repairs LtdMechanics and garages
What happens if Swift Boilers 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10634918
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 February 2017 (9 years ago)
- Registered office
- 48 Priory Road, Thetford, IP25 6PQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 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 Thetford
Other active plumbing and heating companies registered in Thetford.
- Toon Plumbing & Heating Ltd.2017
- Wayland Plumbing and Heating Limited2013
- 24/7Heating&Plumbing.Solutions Ltd2018
- Aqb Engineering Limited2021
- Art..Tech Limited1996
- Bellmere Boilers Ltd2017
- Breckland Heating Limited2011
- CBL Plumbing Ltd2026
All plumbing and heating companies in Thetford · All trades in Thetford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Swift Boilers Ltd's accounts due?
Swift Boilers Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Swift Boilers Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Swift Boilers Ltd still trading?
Swift Boilers 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 Swift Boilers Ltd do?
Swift Boilers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Swift Boilers Ltd?
Swift Boilers Ltd was incorporated on 23 February 2017, 9 years ago.
What is the penalty if Swift Boilers 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 Swift Boilers 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.