- Companies
- Electricians
- London
- Thames Glow Limited
Thames Glow Limited
- Company number
- 09636106
- Incorporated
- 12 Jun 201511 years trading
- Registered office
- Suite 546, 275 New North Road, London, N1 7AA
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Thames Glow Limited is a 11-year-old private limited company registered in London, company number 09636106, 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 down £128 (-11.3%) on the year before, to £1,001.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £7,868 against £8,504 owed within a year: 0.9 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1,001 | £7,868 | £8,504 | 1 | |
| 30 Jun 2024 | £1,129 | £4,985 | £3,016 | 1 | |
| 30 Jun 2023 | £6,550 | £633 | £11K | £7,887 | 1 |
| 30 Jun 2022 | -£2,841 | £2,121 | £2,121 | £9,976 | 1 |
| 30 Jun 2021 | £12K | £13K | £13K | £7,325 | 1 |
| 30 Jun 2020 | -£1,183 | £451 | £451 | £3,321 | 1 |
| 30 Jun 2019 | £3,490 | £3,567 | £3,567 | £2,327 | 0 |
| 30 Jun 2018 | -£1,002 | -£1,169 | £167 | 1 | |
| 30 Jun 2017 | £1,282 | £3,302 | £3,302 | £2,020 | 1 |
| 30 Jun 2016 | £1,478 | £2,160 | £2,160 | £682 | 0 |
Where Thames Glow Limited is registered
The registered office is in London (N1), in the Islington local authority area, London. Show N1 7AA on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
What happens if Thames Glow 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
- 09636106
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 June 2015 (11 years ago)
- Registered office
- Suite 546, 275 New North Road, London, N1 7AA
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 12 June 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 London
Other active electrical contractors registered in London.
- Thames Spark Renewables Ltd2022
- THB Works Limited2025
- The Alarm Guys Ltd2019
- The Cycling Sparks Ltd.2017
- The Electrical Collective Ltd2026
- The Good Sparky Electrical Services Ltd2026
- The Home of Construction Limited2022
- The London Maintenance Group Limited2024
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Thames Glow Limited's accounts due?
Thames Glow 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 Thames Glow 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 Thames Glow Limited still trading?
Thames Glow 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 Thames Glow Limited do?
Thames Glow Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thames Glow Limited?
Thames Glow Limited was incorporated on 12 June 2015, 11 years ago.
What is the penalty if Thames Glow 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 Thames Glow 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.