- Companies
- Specialist contractors
- Swansea
- Building Services Controls Limited
Building Services Controls Limited
- Company number
- 03161651
- Incorporated
- 20 Feb 199630 years trading
- Registered office
- Unit 1B, Europa Way, Fforestfach, Swansea, SA5 4AJ
- Nature of business
- Other specialised construction activities n.e.c.
Building Services Controls Limited is a 30-year-old private limited company registered in Swansea, company number 03161651, one of 99 specialist construction companies in Swansea. 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 up £29K (+3.3%) on the year before, to £887K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.6M against £695K owed within a year: 2.3 times cover.
- 28 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £887K | £235K | £1.6M | £695K | 28 |
| 31 Mar 2024 | £858K | £267K | £1.3M | £485K | 28 |
| 31 Mar 2023 | £802K | £285K | £1.2M | £368K | 26 |
| 31 Mar 2022 | £863K | £285K | £1.4M | £532K | 23 |
| 31 Mar 2021 | £741K | £322K | £1M | £317K | 26 |
| 31 Mar 2020 | £601K | £138K | £1M | £501K | 30 |
| 31 Mar 2019 | £551K | £55K | £1.2M | £672K | 47 |
| 31 Mar 2018 | £774K | £210K | £1.5M | £798K | 52 |
| 31 Mar 2017 | £583K | £95K | £960K | £436K | 40 |
| 31 Mar 2016 | £479K | £3 | £964K | £548K |
Where Building Services Controls Limited is registered
The registered office is in Swansea (SA5), in the Swansea local authority area, Wales. Show SA5 4AJ on a map.
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- Same Day Roof Repairs Swansea LtdRoofers
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- Erj's Recovery and Transportation LtdMotor traders
- Brandrick Group LimitedElectricians
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Also registered at this address
1 other company uses the same registered office as Building Services Controls Limited.
- Building Services Controls 2 LimitedSpecialist contractors
What happens if Building Services Controls 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 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
- 03161651
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 1996 (30 years ago)
- Registered office
- Unit 1B, Europa Way, Fforestfach, Swansea, SA5 4AJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 February 2026
- Charges (mortgages)
- 1 outstanding of 4 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Swansea
Other active specialist construction companies registered in Swansea.
- C N Evans Plant Hire Ltd2003
- Castle Graig Limited2022
- Caswell Interiors Limited2008
- Celtic Valley Eco Solutions Ltd2026
- Ceri Hall Construction Ltd2009
- Coast Carpentry and Renovations Limited2021
- Colin Bowen Water Services Ltd2012
- Construction Repairs Limited2010
All specialist construction companies in Swansea · All trades in Swansea · Specialist contractors across the UK
Frequently asked questions
When are Building Services Controls Limited's accounts due?
Building Services Controls Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Building Services Controls Limited'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 Building Services Controls Limited still trading?
Building Services Controls 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 Building Services Controls Limited do?
Building Services Controls Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Building Services Controls Limited?
Building Services Controls Limited was incorporated on 20 February 1996, 30 years ago.
What is the penalty if Building Services Controls 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 Building Services Controls 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.