- Companies
- Electricians
- Sidcup
- Powell System Engineering Limited
Powell System Engineering Limited
- Company number
- 02800445
- Incorporated
- 17 Mar 199333 years trading
- Registered office
- Unit 2 Fitzroy Business Park, Sandy Lane, Sidcup, Kent, DA14 5NL
- Nature of business
- Electrical installation; Other specialised construction activities n.e.c.
Powell System Engineering Limited is a 33-year-old private limited company registered in Sidcup, company number 02800445, one of 178 electrical contractors in Sidcup. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £164K (+3.3%) on the year before, to £5.2M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £5.8M against £1.1M owed within a year: 5.3 times cover.
- 33 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £5.2M | £397K | £5.8M | £1.1M | 33 |
| 30 Apr 2024 | £5M | £1M | £6.2M | £1.4M | 33 |
| 30 Apr 2023 | £5.1M | £165K | £5.6M | £1.5M | 32 |
| 30 Apr 2022 | £5.1M | £701K | £5.5M | £1.2M | 30 |
| 30 Apr 2021 | £5M | £707K | £5.4M | £1.1M | 29 |
| 30 Apr 2020 | £4.3M | £767K | £4.7M | £1.1M | 33 |
| 30 Apr 2019 | £3.7M | £643K | £3.8M | £1.2M | 33 |
| 30 Apr 2018 | £3.4M | £1.1M | £2.8M | £811K | 27 |
| 30 Apr 2017 | £2.4M | £535K | £2.3M | £793K | 27 |
| 30 Apr 2016 | £2.2M | £519K | £2.5M | £1.1M |
Public contracts won
Powell System Engineering Limited has 7 public sector contract awards on record; the ones with their own published value total £1.5M, from 2023 to 2026. Source: Contracts Finder and Find a Tender award notices. For 1 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. 3 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Royal National Orthopaedic Hospital NHS Trust1 award
- NHS Shared Business Services Limited1 award
- Wiltshire Council1 award
- UK Research & Innovation (UKRI)1 award
- UK Research and Innovation1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Royal National Orthopaedic Hospital NHS Trust | The Provision of Specialist Building Management System (BMS) Maintenance | £168K | 1 Oct 2026 |
| NHS Shared Business Services Limited | Hard Facilities Management 3 | Ceiling, not shown | 25 Aug 2026 |
| Wiltshire Council | FM2508 MandE Building Management Systems - Contract Details Notice | £46K | 1 May 2026 |
| UK Research & Innovation (UKRI) | UKRI-5847 BMS Optimisation | £48K | 23 Feb 2026 |
| UK Research and Innovation | CSP25506 - BMS Corbon works Graphics | £12K | 23 Oct 2025 |
| The Horniman Public Museum and Public Park Trust | Horniman Museum BMS System Upgrade | £167K | 15 Sep 2025 |
| London School of Hygiene & Tropical Medicine | Building Management Systems Maintenance and Upgrades | £1M | 23 Mar 2023 |
Where Powell System Engineering Limited is registered
The registered office is in Sidcup (DA14), in the Bromley local authority area, London. Show DA14 5NL on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Also registered at this address
1 other company uses the same registered office as Powell System Engineering Limited.
- Pse Lighting LtdMachinery repair and installation
What happens if Powell System Engineering 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 02800445
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 1993 (33 years ago)
- Registered office
- Unit 2 Fitzroy Business Park, Sandy Lane, Sidcup, Kent, DA14 5NL
- Nature of business
- Electrical installation (SIC 43210)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 25 June 2026
- Charges (mortgages)
- 5 outstanding of 5 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 Sidcup
Other active electrical contractors registered in Sidcup.
- Prepen Technical Services Ltd Limited2018
- Prism Electric Limited2020
- R Nunn Electrical Ltd2016
- Railec Limited2021
- Raw Electrical Services Limited2020
- Reads Building Services Limited2003
- Rec Technical Services Limited2020
- Reset Electrical Services Limited2020
All electrical contractors in Sidcup · All trades in Sidcup · Electricians across the UK
Frequently asked questions
When are Powell System Engineering Limited's accounts due?
Powell System Engineering Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Powell System Engineering Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Powell System Engineering Limited still trading?
Powell System Engineering 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 Powell System Engineering Limited do?
Powell System Engineering Limited is registered under Electrical installation (SIC 43210); Other specialised construction activities n.e.c. (SIC 43999).
How old is Powell System Engineering Limited?
Powell System Engineering Limited was incorporated on 17 March 1993, 33 years ago.
Has Powell System Engineering Limited won public sector contracts?
Yes. Powell System Engineering Limited has 7 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.5M), most recently from Royal National Orthopaedic Hospital NHS Trust.
What is the penalty if Powell System Engineering 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 Powell System Engineering 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.