- Companies
- Plumbers and heating engineers
- Swindon
- King Building Services Ltd
King Building Services Ltd
- Company number
- 14600088
- Incorporated
- 18 Jan 20233 years trading
- Registered office
- 16 Avro Gate, South Marston Industrial Estate, Swindon, SN3 4AG
- Nature of business
- Plumbing, heat and air-conditioning installation
King Building Services Ltd is a 3-year-old private limited company registered in Swindon, company number 14600088, one of 164 plumbing and heating companies in Swindon. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £48K (+115.6%) on the year before, to £90K.
- Current assets of £126K against £37K owed within a year: 3.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £90K | £36K | £126K | £37K | 1 |
| 31 Jan 2024 | £42K | £12K | £76K | £35K | 1 |
Where King Building Services Ltd is registered
The registered office is in Swindon (SN3), in the Swindon local authority area, South West. Show SN3 4AG on a map.
Other trade companies in SN3
- Spark-Clean Business Solutions LtdCleaning companies
- Stars Commercial and Cesidential Cleaning Services LtdCleaning companies
- Sam Simply Sorts LtdCleaning companies
- Westbridge Automotive LtdMotor traders
- H H Autos LimitedMotor traders
- DTH Construction LtdBuilders
- Saf Motor Group LtdMotor traders
- Noel Joy LtdMachinery repair and installation
What happens if King Building 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14600088
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2023 (3 years ago)
- Registered office
- 16 Avro Gate, South Marston Industrial Estate, Swindon, SN3 4AG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 17 January 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 Swindon
Other active plumbing and heating companies registered in Swindon.
- Kingsbury Heating & Plumbing Ltd2016
- L & E Grange Limited2013
- L.A. Plumbing & Heating (Swindon) Limited2014
- Lakeside Kitchens & Bathrooms Ltd2026
- LB Diamond Services Ltd2017
- LD Heating Services Limited2021
- LDS Plumbing & Heating Limited2014
- Lincoln Gas Limited2014
All plumbing and heating companies in Swindon · All trades in Swindon · Plumbers and heating engineers across the UK
Frequently asked questions
When are King Building Services Ltd's accounts due?
King Building Services Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is King Building Services Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is King Building Services Ltd still trading?
King Building 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 King Building Services Ltd do?
King Building Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is King Building Services Ltd?
King Building Services Ltd was incorporated on 18 January 2023, 3 years ago.
What is the penalty if King Building 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 King Building 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.