- Company number
- 08059663
- Incorporated
- 8 May 201214 years trading
- Registered office
- Regina House, 124 Finchley Road, London, NW3 5JS
- Nature of business
- Construction of domestic buildings
GCM London Limited is a 14-year-old private limited company registered in London, company number 08059663, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 unchanged on the year before, at £100.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £563 against £463 owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £100 | £563 | £563 | £463 | 0 |
| 31 Dec 2024 | £100 | £1,243 | £1,281 | £1,181 | 0 |
| 31 Mar 2024 | £439K | £1,689 | £439K | £48 | 1 |
| 30 Apr 2023 | £440K | £2,413 | £441K | £2,000 | 1 |
| 30 Apr 2022 | £452K | £70K | £485K | £36K | 1 |
| 30 Apr 2021 | £250K | £62K | £477K | £231K | 1 |
| 30 Apr 2020 | -£6,378 | £449K | £456K | £465K | 1 |
| 30 Apr 2019 | -£6,707 | £262K | £290K | £302K | |
| 30 Apr 2018 | £100K | £154K | £469K | £375K | |
| 30 Apr 2017 | £166K | £495K | £329K |
Where GCM London Limited is registered
The registered office is in London (NW3), in the Camden local authority area, London. Show NW3 5JS on a map.
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Shared registered office
27 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 GCM London 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 08059663
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2012 (14 years ago)
- Registered office
- Regina House, 124 Finchley Road, London, NW3 5JS
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 8 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- GCS 98 Ltd2024
- Gda Building Ltd2025
- GDD72 Construction Ltd2023
- Gdi Construction Ltd2023
- GDL Drylining Limited2022
- GDL London Ltd2023
- Ge Bees Ltd2023
- Ge Bi Construction Ltd2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are GCM London Limited's accounts due?
GCM London Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is GCM London Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is GCM London Limited still trading?
GCM London 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 GCM London Limited do?
GCM London Limited is registered under Construction of domestic buildings (SIC 41202).
How old is GCM London Limited?
GCM London Limited was incorporated on 8 May 2012, 14 years ago.
What is the penalty if GCM London 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 GCM London 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.