- Companies
- Builders
- Waterlooville
- Cornerstone Hampshire Ltd
Cornerstone Hampshire Ltd
- Company number
- 12436285
- Incorporated
- 31 Jan 20206 years trading
- Registered office
- 9 Stratfield Park, Elettra Avenue, Waterlooville, PO7 7XN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Activities of construction holding companies
Cornerstone Hampshire Ltd is a 6-year-old private limited company registered in Waterlooville, company number 12436285, one of 163 building contractors in Waterlooville. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £154K (+153.4%) on the year before, to £254K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £571K against £449K owed within a year: 1.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £254K | £106K | £571K | £449K | 1 |
| 31 Jan 2024 | £100K | £21K | £221K | £148K | 1 |
| 31 Jan 2023 | £25K | £62K | £211K | £189K | 1 |
| 31 Jan 2022 | £51K | £55K | £102K | £53K | 1 |
| 31 Jan 2021 | £26K | £3,169 | £50K | £24K | 2 |
| 31 Jan 2020 | £0 | £0 | £0 | £0 | 0 |
Where Cornerstone Hampshire Ltd is registered
The registered office is in Waterlooville (PO7), in the Havant local authority area, South East. Show PO7 7XN on a map.
Other trade companies in PO7
- Coast to Coast Flooring LtdFloor and wall tilers
- 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
Also registered at this address
20 other companies use the same registered office as Cornerstone Hampshire Ltd.
- 1ST Call Property Development LtdProperty developers
- Ace TV & Aerial Installations LtdElectricians
- Bayside Developments LtdProperty developers
- Candor Southern LtdFinishing trades
- Cmse Consultancy LtdSpecialist contractors
- Complete Site Surveys LtdFinishing trades
- CSD Fire Solutions LtdInstallers
- DN Pacifica Leasing LtdMotor traders
- Finial Roofing LimitedRoofers
- Fleet UK.Com LtdMotor traders
- Galquito Developments LtdProperty developers
- Gold Homes LtdProperty developers
- Hampshire Co Living LtdBuilders
- Mark James Plumbing & Heating LtdPlumbers and heating engineers
- P&P Motorcycles LimitedMotor traders
- Parkwest Projects LtdInstallers
- South Coast Autolocks LtdMechanics and garages
- Strong Island Solutions LimitedMechanics and garages
- V&V Property LtdProperty developers
- VDL Southern LtdFinishing trades
What happens if Cornerstone Hampshire 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12436285
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 January 2020 (6 years ago)
- Registered office
- 9 Stratfield Park, Elettra Avenue, Waterlooville, PO7 7XN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Activities of construction holding companies (SIC 64203) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 27 August 2025
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.
- CQR 2 Ltd2025
- Crofton Home Improvement Centre Limited2013
- Cubra Construction Ltd2022
- D M B Flat Roofing & Building Services Ltd2009
- D Savage Home Improvements Ltd2021
- D.A. & J.J. Colliver Limited1980
- Deebrickwork (UK) Ltd2019
- Deesand Holdings Limited2010
All building contractors in Waterlooville · All trades in Waterlooville · Builders across the UK
Frequently asked questions
When are Cornerstone Hampshire Ltd's accounts due?
Cornerstone Hampshire Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Cornerstone Hampshire Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Cornerstone Hampshire Ltd still trading?
Cornerstone Hampshire Ltd is listed as active on the Companies House register (checked 13 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 Cornerstone Hampshire Ltd do?
Cornerstone Hampshire Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Activities of construction holding companies (SIC 64203).
How old is Cornerstone Hampshire Ltd?
Cornerstone Hampshire Ltd was incorporated on 31 January 2020, 6 years ago.
What is the penalty if Cornerstone Hampshire 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 Cornerstone Hampshire Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.