- Companies
- Electricians
- Harrow
- Shadow Utilities Ltd
Shadow Utilities Ltd
- Company number
- 08465257
- Incorporated
- 28 Mar 201313 years trading
- Registered office
- 10 Hughenden Avenue, Harrow, HA3 8HA
- Nature of business
- Electrical installation
Shadow Utilities Ltd is a 13-year-old private limited company registered in Harrow, company number 08465257, one of 200 electrical contractors in Harrow. 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 £11K (+4.7%) on the year before, to £242K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £4,985 against £249K owed within a year: 0.0 times cover.
- 1 employee 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 | £242K | £1,156 | £4,985 | £249K | 1 |
| 31 Mar 2024 | £231K | £128 | £1,973 | £235K | 1 |
| 31 Mar 2023 | £146K | £4 | £13K | £161K | 1 |
| 31 Mar 2022 | £108K | £5 | £15K | £123K | 1 |
| 31 Mar 2021 | £8,671 | £509 | £36K | £46K | 1 |
| 31 Mar 2020 | -£13K | £350 | £1,797 | £16K | 1 |
| 31 Mar 2019 | £4,105 | £819 | £12K | £9,466 | 2 |
| 31 Mar 2018 | £20 | £2,004 | £34K | £35K | 2 |
| 31 Mar 2017 | -£2,227 | -£7 | £38K | £42K | 1 |
| 31 Mar 2016 | -£2,012 | -£7 | £40K | £45K |
Who runs and owns Shadow Utilities Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| F*** M*** | Director | Mar 2013 |
| H*** P*** | Director | Feb 2024 |
Person with significant control
Where Shadow Utilities Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8HA on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
Also registered at this address
2 other companies use the same registered office as Shadow Utilities Ltd.
- Dashla Electrical Services LimitedElectricians
- Meter Express LimitedSpecialist contractors
What happens if Shadow Utilities 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 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
- 08465257
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2013 (13 years ago)
- Registered office
- 10 Hughenden Avenue, Harrow, HA3 8HA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 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 Harrow
Other active electrical contractors registered in Harrow.
- Shine Electrical Services Ltd2026
- Shreeji Services Private Limited2025
- Smart Bright Light Ltd2024
- Smart Cord Electricals Ltd2018
- Solar4Good UK Ltd2020
- Solartric Solutions Ltd2025
- Solidify M&E Ltd2024
- SP Fire Limited2017
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are Shadow Utilities Ltd's accounts due?
Shadow Utilities Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Shadow Utilities Ltd'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 Shadow Utilities Ltd still trading?
Shadow Utilities 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 Shadow Utilities Ltd do?
Shadow Utilities Ltd is registered under Electrical installation (SIC 43210).
How old is Shadow Utilities Ltd?
Shadow Utilities Ltd was incorporated on 28 March 2013, 13 years ago.
Who runs Shadow Utilities Ltd?
Shadow Utilities Ltd has 2 active directors, the longest-serving appointed in Mar 2013. Their names and service addresses are on the Companies House register.
Who owns Shadow Utilities Ltd?
One person or company has significant control of Shadow Utilities Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Shadow Utilities 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 Shadow Utilities 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.