- Companies
- Electricians
- Bristol
- 21ST Century Building Services Ltd.
21ST Century Building Services Ltd.
- Company number
- 04002614
- Incorporated
- 26 May 200026 years trading
- Registered office
- Unit E, Malago Vale Trading Estate ST John's Lane, Bedminster, Bristol, Bristol, BS3 5BQ
- Nature of business
- Electrical installation; Other building completion and finishing
21ST Century Building Services Ltd. is a 26-year-old private limited company registered in Bristol, company number 04002614, one of 532 electrical contractors in Bristol. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £380K (-42.4%) on the year before, to £516K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £2.6M against £2.4M owed within a year: 1.1 times cover.
- 48 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 May 2025 | £516K | £504K | £2.6M | £2.4M | 48 |
| 31 May 2024 | £895K | £400K | £3.6M | £2.8M | 48 |
| 31 May 2023 | £995K | £1.5M | £4.3M | £3.2M | 48 |
| 31 May 2022 | £1.6M | £1.2M | £4.6M | £2.5M | 48 |
| 31 May 2021 | £895K | £2M | £5M | £3.4M | 43 |
| 31 May 2020 | £1.1M | £940K | £2.4M | £1.6M | 42 |
| 31 May 2019 | £1.4M | £886K | £3.2M | £2.1M | 35 |
| 31 May 2018 | £781K | £323K | £1.9M | £1.4M | 35 |
| 31 May 2017 | £765K | £511K | £1.6M | £1.1M | |
| 31 May 2016 | £812K | £96K | £1.6M | £1M |
Who runs and owns 21ST Century Building Services Ltd.
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| C*** Z*** | Director | Apr 2011 |
| C*** Z*** | Director | Jan 2025 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** Z*** | Secretary | May 2000 | Jan 2025 |
| Paramount Company Searches Limited | Corporate Nominee Secretary | May 2000 | May 2000 |
| A*** Z*** | Director | May 2000 | Oct 2024 |
| A*** Z*** | Director | May 2001 | Oct 2024 |
| Paramount Properties (UK) Limited | Nominee director (company) | May 2000 | May 2000 |
Person with significant control
Charges (secured borrowing)
1 of 3 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Lloyds TSB Bank PLC | Outstanding | Apr 2011 |
| Lloyds Bank PLC | Satisfied Jul 2016 | Jan 2014 |
| Lloyds TSB Bank PLC | Satisfied Jul 2016 | Apr 2011 |
Public contracts won
21ST Century Building Services Ltd. has 29 public sector contract awards on record; the ones with their own published value total £8.1M, from 2016 to 2025. Source: Contracts Finder and Find a Tender award notices. For 6 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 14 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Bath and North East Somerset Council8 awards
- University Of The West Of England8 awards
- University of Bristol7 awards
- Bath & North East Somerset Council1 award
- Bath Spa University1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Bath and North East Somerset Council | Keynsham Children Centre Repair Works | £75K | 22 Aug 2025 |
| Bath & North East Somerset Council | Abbot Alphege Academy School Reconfiguration | £460K | 22 May 2025 |
| Bath and North East Somerset Council | Abbot Alphege Academy School Reconfiguration | £400K | 21 May 2025 |
| University Of The West Of England | Contractor fees for the refurbishment of the SIM house as part of the Ofs grant funded work. | £52K | 4 Feb 2025 |
| Bath and North East Somerset Council | Internal and External Repairs - 22 Milsom Street - General Building Framework Lot 2 - DN505397 | Ceiling, not shown | 29 Jul 2024 |
| Bath and North East Somerset Council | Carrswood Roof Replacement - General Building Lot 2 - DN505397 | £400K | 19 Jul 2024 |
| University Of The West Of England | Redevelopment of staff offices | £215K | 26 Jun 2024 |
| University Of The West Of England | Principal Contractor to carry out construction works - Lab Conversion | £637K | 6 Jun 2024 |
| Bath Spa University | Compton Music Studio Works Phase 2 | £907K | 9 May 2024 |
| University Of The West Of England | Principal Contractor to carry out enabling works - Lab Conversion work | £46K | 24 Apr 2024 |
Showing the 10 most recent of 29.
Where 21ST Century Building Services Ltd. is registered
The registered office is in Bristol (BS3), in the Bristol, City of local authority area, South West. Show BS3 5BQ on a map.
Other trade companies in BS3
- Aspire Craft Building LtdFinishing trades
- Tintu (Bristol) LimitedProperty developers
- Heatcraft Plumbing & Heating LimitedPlumbers and heating engineers
- SCN Refrigeration LtdPlumbers and heating engineers
- Porter & Place LimitedSpecialist contractors
- Fern Climate LtdPlumbers and heating engineers
- Scctruckservices LtdMachinery repair and installation
- Bedminster Motor Services LtdMechanics and garages
What happens if 21ST Century 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 04002614
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2000 (26 years ago)
- Registered office
- Unit E, Malago Vale Trading Estate ST John's Lane, Bedminster, Bristol, Bristol, BS3 5BQ
- Nature of business
- Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 26 May 2026
- Charges (mortgages)
- 1 outstanding of 3 registered
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Bristol
Other active electrical contractors registered in Bristol.
- 3Heat Electrical Ltd2025
- 4CS Global Academy Ltd2025
- A Brice Electrical Ltd2014
- A C Electric (Bristol) Ltd2023
- A G Building Services (South West) Limited2002
- A J Jarrett Electrical Ltd.2026
- A M Electrical and Property Services Limited2022
- A&R Services (Esw) Limited2009
All electrical contractors in Bristol · All trades in Bristol · Electricians across the UK
Frequently asked questions
When are 21ST Century Building Services Ltd.'s accounts due?
21ST Century Building Services Ltd.'s next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is 21ST Century Building Services Ltd.'s CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is 21ST Century Building Services Ltd. still trading?
21ST Century 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 21ST Century Building Services Ltd. do?
21ST Century Building Services Ltd. is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390).
How old is 21ST Century Building Services Ltd.?
21ST Century Building Services Ltd. was incorporated on 26 May 2000, 26 years ago.
Who runs 21ST Century Building Services Ltd.?
21ST Century Building Services Ltd. has 2 active directors, the longest-serving appointed in Apr 2011. Their names and service addresses are on the Companies House register.
Who owns 21ST Century Building Services Ltd.?
One person or company has significant control of 21ST Century Building Services Ltd.: an individual (owns 75% or more of the shares).
Has 21ST Century Building Services Ltd. won public sector contracts?
Yes. 21ST Century Building Services Ltd. has 29 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £8.1M), most recently from Bath and North East Somerset Council.
What is the penalty if 21ST Century 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 21ST Century 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.