- Companies
- Electricians
- London
- Elco Building Services Limited
Elco Building Services Limited
- Company number
- 03780660
- Incorporated
- 1 Jun 199927 years trading
- Registered office
- Second Floor, 201 Haverstock Hill, London, NW3 4QG
- Nature of business
- Electrical installation
Elco Building Services Limited is a 27-year-old private limited company registered in London, company number 03780660, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £106K (+11%) on the year before, to £1.1M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £214K owed within a year: 5.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Jun 2025 | £1.1M | £1.1M | £1.2M | £214K | 0 |
| 30 Jun 2024 | £959K | £941K | £1.1M | £211K | 6 |
| 30 Jun 2023 | £812K | £734K | £990K | £238K | 6 |
| 30 Jun 2022 | £678K | £636K | £804K | £158K | 5 |
| 30 Jun 2021 | £601K | £582K | £655K | £96K | 5 |
| 30 Jun 2020 | £579K | £588K | £683K | £106K | 5 |
| 30 Jun 2019 | £604K | £583K | £733K | £135K | 4 |
| 30 Jun 2018 | £592K | £586K | £723K | £138K | 4 |
| 30 Jun 2017 | £535K | £552K | £718K | £193K | 5 |
| 30 Jun 2016 | £449K | £415K | £638K | £197K |
Where Elco Building Services Limited is registered
The registered office is in London (NW3), in the Camden local authority area, London. Show NW3 4QG on a map.
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- Maxfix Auto LtdMechanics and garages
- Hampstead Property Services Group LimitedFinishing trades
- Ej London Construction LtdFinishing trades
- JBRK Facilities LtdFacilities management
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Also registered at this address
15 other companies use the same registered office as Elco Building Services Limited.
- Alfa Developments LtdProperty developers
- Beavor Lane Developments LimitedProperty developers
- Burning Issues LimitedProperty developers
- Cobalt Blue Construction LimitedSpecialist contractors
- D W Smith Building Services LimitedFinishing trades
- Fundatia LimitedBuilders
- H.W. Shailer & Sons LimitedFinishing trades
- Jayflex Construction LimitedSpecialist contractors
- Meadowland Development Management LtdProperty developers
- Radio City Developments LtdProperty developers
- Rayjon Property Co. LimitedProperty developers
- SLD Galliard Developments LtdProperty developers
- Summertime Developments LimitedProperty developers
- Water Lane Developments (Richmond) LtdProperty developers
- Wintertime Developments LimitedProperty developers
What happens if Elco 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 03780660
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 June 1999 (27 years ago)
- Registered office
- Second Floor, 201 Haverstock Hill, London, NW3 4QG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 June 2026
- Charges (mortgages)
- 2 outstanding of 2 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 London
Other active electrical contractors registered in London.
- Elcofix Ltd2006
- Elcom Projects Limited2009
- Elconta Electrical Services Limited2008
- Ele Systems Limited2013
- Elec Recruit Ltd2025
- Elecdns Ltd2017
- Elecfx Ltd2018
- Elecjobs Ltd2016
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Elco Building Services Limited's accounts due?
Elco Building Services Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Elco Building Services Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Elco Building Services Limited still trading?
Elco 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 Elco Building Services Limited do?
Elco Building Services Limited is registered under Electrical installation (SIC 43210).
How old is Elco Building Services Limited?
Elco Building Services Limited was incorporated on 1 June 1999, 27 years ago.
What is the penalty if Elco 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 Elco 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.