- Companies
- Electricians
- Sidcup
- Spectrum Electrical & Building Services Limited
Spectrum Electrical & Building Services Limited
- Company number
- 13218158
- Incorporated
- 23 Feb 20215 years trading
- Registered office
- Onega House, 112 Main Road, Sidcup, Kent, DA14 6NE
- Nature of business
- Electrical installation
Spectrum Electrical & Building Services Limited is a 5-year-old private limited company registered in Sidcup, company number 13218158, one of 178 electrical contractors in Sidcup.
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 £1,146 (+38.7%) on the year before, to £4,107.
- Current assets of £3,292 against £3,994 owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Feb 2024 | £4,107 | £3,292 | £3,994 | 1 | |
| 28 Feb 2023 | £2,961 | £64 | £7,350 | £14K | 1 |
| 28 Feb 2022 | £1 | £1 |
Where Spectrum Electrical & Building Services Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 6NE 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
Shared registered office
87 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Spectrum Electrical & Building Services 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 28 February 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2026 to 31 Mar 2026 | £150 |
| 1 to 3 months late | 1 Apr 2026 to 31 May 2026 | £375 |
| 3 to 6 months late | 1 Jun 2026 to 31 Aug 2026 | £750 |
| More than 6 months late | From 1 Sep 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2026 | £200 |
| 3 months late | 31 Aug 2026 | another £200 |
| 6 months late | 30 Nov 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2027 | 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
- 13218158
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 February 2021 (5 years ago)
- Registered office
- Onega House, 112 Main Road, Sidcup, Kent, DA14 6NE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 29 February 2024
- Last confirmation statement
- 23 February 2026
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.
- Springfield Site Services Limited2007
- Stanton Electrical Ltd2020
- Stewarts Electrics Limited2011
- Switchgear Installation and Maintenance Services Ltd2024
- T & M Electrical Services Ltd2016
- T&G Property Management Limited2014
- T. Baldwin Electrical Services Ltd2003
- T.Chambers Electrical Services Ltd2020
All electrical contractors in Sidcup · All trades in Sidcup · Electricians across the UK
Frequently asked questions
When are Spectrum Electrical & Building Services Limited's accounts due?
The register showed Spectrum Electrical & Building Services Limited's accounts as due on 28 February 2026. That date has passed; the Companies House register shows whether they have been filed since.
When is Spectrum Electrical & Building Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 February 2025, due by 28 February 2026, and one for the period to 31 May 2025, due by 31 May 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Spectrum Electrical & Building Services Limited still trading?
Spectrum Electrical & Building Services 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 Spectrum Electrical & Building Services Limited do?
Spectrum Electrical & Building Services Limited is registered under Electrical installation (SIC 43210).
How old is Spectrum Electrical & Building Services Limited?
Spectrum Electrical & Building Services Limited was incorporated on 23 February 2021, 5 years ago.
What is the penalty if Spectrum Electrical & Building Services 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 Spectrum Electrical & Building Services 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.