- Companies
- Property developers
- Bexleyheath
- Mainstream Granite Limited
Mainstream Granite Limited
- Company number
- 08848396
- Incorporated
- 16 Jan 201412 years trading
- Registered office
- Unit 2, Market Place, Bexleyheath, DA6 7DU
- Nature of business
- Development of building projects; Electrical installation; Plumbing, heat and air-conditioning installation; Other retail sale not in stores, stalls or markets
Mainstream Granite Limited is a 12-year-old private limited company registered in Bexleyheath, company number 08848396, one of 50 property development companies in Bexleyheath. Its next accounts are due at Companies House on 31 March 2027, and its first CT600 is due at HMRC on 31 December 2026.
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 £50K (+172.6%) on the year before, to £79K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £824K against £357K owed within a year: 2.3 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £79K | £586 | £824K | £357K | 5 |
| 31 Dec 2023 | £29K | £555 | £716K | £546K | 5 |
| 31 Dec 2022 | £71K | £1,928 | £646K | £517K | 6 |
| 31 Dec 2021 | £145K | £855 | £635K | £380K | 6 |
| 31 Dec 2020 | £191K | £3,351 | £712K | £533K | 7 |
| 31 Dec 2019 | £285K | £1,847 | £856K | £653K | 8 |
| 31 Dec 2018 | £402K | £3,793 | £933K | £565K | 5 |
| 31 Dec 2017 | £173K | £5,335 | £675K | £538K | 2 |
| 31 Dec 2016 | £5,743 | £188K | £217K | ||
| 31 Dec 2015 | £35K | £5,418 | £178K | £169K |
Where Mainstream Granite Limited is registered
The registered office is in Bexleyheath (DA6), in the Bexley local authority area, London. Show DA6 7DU on a map.
Other trade companies in DA6
- Bego Construction LtdBuilders
- Triva LtdBuilders
- Green Core Construction LtdBuilders
- MD Lathams LimitedFinishing trades
- Quantara Support Services LtdFacilities management
- SNJ Property Development LimitedBuilders
- BTM Engineering LtdMechanics and garages
- Shelby Group LtdSpecialist contractors
Also registered at this address
6 other companies use the same registered office as Mainstream Granite Limited.
- Exterior Scapes LtdSpecialist contractors
- Finished Flooring LtdFloor and wall tilers
- High Maintenance (HS) LimitedFinishing trades
- Intermix Management LimitedSpecialist contractors
- Mainstream Projects LimitedProperty developers
- Water Tight Kent LimitedPlumbers and heating engineers
What happens if Mainstream Granite 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
- 08848396
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2014 (12 years ago)
- Registered office
- Unit 2, Market Place, Bexleyheath, DA6 7DU
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other retail sale not in stores, stalls or markets (SIC 47990) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 23 April 2026
- Charges (mortgages)
- 2 outstanding of 5 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Bexleyheath
Other active property development companies registered in Bexleyheath.
- Mainstream Projects Limited2024
- Mason's Pride Limited2019
- Matt Rendering Ltd2024
- Moatbrook Ltd2009
- New Trend Builders Ltd2024
- North 2 South Enterprises Ltd2019
- Olufash Engineering & Construction Ltd2018
- Orion Property Transformation Ltd2017
All property development companies in Bexleyheath · All trades in Bexleyheath · Property developers across the UK
Frequently asked questions
When are Mainstream Granite Limited's accounts due?
Mainstream Granite Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Mainstream Granite Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2025, due by 31 December 2026, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mainstream Granite Limited still trading?
Mainstream Granite 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 Mainstream Granite Limited do?
Mainstream Granite Limited is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other retail sale not in stores, stalls or markets (SIC 47990).
How old is Mainstream Granite Limited?
Mainstream Granite Limited was incorporated on 16 January 2014, 12 years ago.
What is the penalty if Mainstream Granite 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 Mainstream Granite 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.