- Companies
- Builders
- Waterlooville
- Grey Matter Concrete Ltd.
Grey Matter Concrete Ltd.
- Company number
- 08572453
- Incorporated
- 17 Jun 201313 years trading
- Registered office
- 17 Meadway, Waterlooville, Hampshire, PO7 7QJ
- Nature of business
- Construction of commercial buildings
Grey Matter Concrete Ltd. is a 13-year-old private limited company registered in Waterlooville, company number 08572453, one of 163 building contractors in Waterlooville. 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 down £3,626 (-2%) on the year before, to £179K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £181K against £7,399 owed within a year: more than 10 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 | £179K | £170K | £181K | £7,399 | 2 |
| 31 Oct 2024 | £183K | £173K | £186K | £3,461 | 2 |
| 31 Oct 2023 | £204K | £198K | £219K | £20K | 2 |
| 31 Oct 2022 | £159K | £121K | £162K | £12K | 2 |
| 31 Oct 2021 | £141K | £79K | £134K | £7,164 | 2 |
| 31 Oct 2020 | £167K | £162K | £200K | £34K | 2 |
| 31 Oct 2019 | £130K | £130K | £146K | £18K | 2 |
| 31 Oct 2018 | £124K | £99K | £144K | £22K | 2 |
| 31 Oct 2017 | £85K | £76K | £105K | £23K | 1 |
| 31 Oct 2016 | £52K | £71K | £92K | £44K |
Where Grey Matter Concrete Ltd. is registered
The registered office is in Waterlooville (PO7), in the Havant local authority area, South East. Show PO7 7QJ on a map.
Other trade companies in PO7
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- Fortress Roofing Services LtdInstallers
- Redlands Roofing LtdInstallers
- WCP Plumbing & Heating LtdPlumbers and heating engineers
- Sparmor Developments LtdProperty developers
- Titan Home Improvements LtdProperty developers
- Accord Housing LimitedProperty developers
- JM Property & Stoves Services LimitedBuilders
What happens if Grey Matter Concrete 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 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
- 08572453
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2013 (13 years ago)
- Registered office
- 17 Meadway, Waterlooville, Hampshire, PO7 7QJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 17 June 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 Waterlooville
Other active building contractors registered in Waterlooville.
- Guildway Building Services Ltd2019
- H2 Flow Plumbing & Construction Limited2017
- Hampshire Co Living Ltd2023
- Hampshire Group Southern Ltd2024
- Hampshire Paving & Construction Limited2017
- Harvey Brickwork Ltd2024
- Hayward Builders Ltd2025
- Henry Morris Homes Limited2015
All building contractors in Waterlooville · All trades in Waterlooville · Builders across the UK
Frequently asked questions
When are Grey Matter Concrete Ltd.'s accounts due?
Grey Matter Concrete Ltd.'s next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Grey Matter Concrete Ltd.'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 Grey Matter Concrete Ltd. still trading?
Grey Matter Concrete 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 Grey Matter Concrete Ltd. do?
Grey Matter Concrete Ltd. is registered under Construction of commercial buildings (SIC 41201).
How old is Grey Matter Concrete Ltd.?
Grey Matter Concrete Ltd. was incorporated on 17 June 2013, 13 years ago.
What is the penalty if Grey Matter Concrete 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 Grey Matter Concrete 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.