- Companies
- Installers
- London
- Grantone Limited
Grantone Limited
- Company number
- 07797011
- Incorporated
- 4 Oct 201115 years trading
- Registered office
- 94A Bravington Road, London, W9 3AL
- Nature of business
- Other construction installation; Other building completion and finishing; Other specialised construction activities n.e.c.
Grantone Limited is a 15-year-old private limited company registered in London, company number 07797011, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £3,274 (+668.2%) on the year before, to £3,764.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £14K against £10K owed within a year: 1.4 times cover.
- 2 employees 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 Oct 2025 | £3,764 | £14K | £10K | 2 | |
| 31 Oct 2024 | £490 | £5,690 | £5,200 | 2 | |
| 31 Oct 2023 | £172 | £7,004 | £6,832 | 2 | |
| 31 Oct 2022 | £1,059 | £1,140 | £12K | £11K | 2 |
| 31 Oct 2021 | £964 | £10K | £9,313 | 1 | |
| 31 Oct 2020 | £11K | £11K | £0 | 2 | |
| 31 Oct 2019 | £76 | £15K | £14K | 2 | |
| 31 Oct 2018 | £41 | £36K | £36K | ||
| 31 Oct 2017 | £11 | £32K | £39K | ||
| 31 Oct 2016 | £3 | £350 | £30K | £36K |
Where Grantone Limited is registered
The registered office is in London (W9), in the Westminster local authority area, London. Show W9 3AL on a map.
Other trade companies in W9
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- Trillion Trades Motors LtdMotor traders
- MC Builders Direct & Roof Repairs LimitedFinishing trades
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- Electrical H Services LtdElectricians
- Luxe Property Estate LtdFinishing trades
- Call Me Builder Services LtdBuilders
- RSJJ LtdProperty developers
What happens if Grantone 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 07797011
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 October 2011 (15 years ago)
- Registered office
- 94A Bravington Road, London, W9 3AL
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 6 September 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Grassmax UK Limited2021
- Gravika Ltd2024
- Great British Design Limited2024
- Great British Stone Group Limited2025
- Great Builds Ltd2026
- Green Home Surveys Ltd2025
- Green Scheme Solutions Ltd2009
- Greenland Energy Services Ltd2012
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Grantone Limited's accounts due?
Grantone Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Grantone Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Grantone Limited still trading?
Grantone 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 Grantone Limited do?
Grantone Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Grantone Limited?
Grantone Limited was incorporated on 4 October 2011, 15 years ago.
What is the penalty if Grantone 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 Grantone 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.