- Company number
- 16727877
- Incorporated
- 18 Sep 20251 year trading
- Registered office
- Balfour House, 741 High Road, London, N12 0BP
- Nature of business
- Construction of domestic buildings
Cornerstone Realty Specialists Ltd. is a 1-year-old private limited company registered in London, company number 16727877, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 18 June 2027, and its first CT600 is due at HMRC on 17 September 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Cornerstone Realty Specialists Ltd.
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** G*** | Director | Sep 2025 |
Person with significant control
Where Cornerstone Realty Specialists Ltd. is registered
The registered office is in London (N12), in the Barnet local authority area, London. Show N12 0BP on a map.
Other trade companies in N12
- Sullivan Property and Maintenance LtdFacilities management
- Mael Property Services LtdFinishing trades
- Horizon Constructors LtdProperty developers
- Alfawine Group LimitedFinishing trades
- Sam Motors Group LimitedMotor traders
- Heating on Demand LtdPlumbers and heating engineers
- Premium Electrical LtdElectricians
- Amaiya Sparks LtdCleaning companies
Also registered at this address
4 other companies use the same registered office as Cornerstone Realty Specialists Ltd..
- Ady Projects LtdFinishing trades
- Apj Electrical Contractors LimitedElectricians
- Future Green Renewables LtdPlumbers and heating engineers
- Grovebury LimitedProperty developers
What happens if Cornerstone Realty Specialists 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 18 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Jun 2027 to 18 Jul 2027 | £150 |
| 1 to 3 months late | 19 Jul 2027 to 18 Sep 2027 | £375 |
| 3 to 6 months late | 19 Sep 2027 to 18 Dec 2027 | £750 |
| More than 6 months late | From 19 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16727877
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2025 (1 year ago)
- Registered office
- Balfour House, 741 High Road, London, N12 0BP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Coenerstone Realty Specialists Ltd. (until 1 Oct 2025)
Cornerstone Realty Specialist Ltd (until 1 Oct 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 London
Other active building contractors registered in London.
- Correct Builder Ltd2025
- Correct Stroy Ltd2023
- Corteseconstruction Limited2019
- Corvin Forma Limited2026
- Cos Brickwork & Construction Ltd2025
- Cos Construct Ltd2019
- Cos Diana Construction Ltd2023
- Cos Skills Limited2019
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Cornerstone Realty Specialists Ltd.'s accounts due?
Cornerstone Realty Specialists Ltd.'s next accounts are due at Companies House by 18 June 2027 (in 248 days), covering the period to 30 September 2026.
When is Cornerstone Realty Specialists Ltd.'s CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 September 2026, due by 17 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cornerstone Realty Specialists Ltd. still trading?
Cornerstone Realty Specialists 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 Realty Specialists Ltd. do?
Cornerstone Realty Specialists Ltd. is registered under Construction of domestic buildings (SIC 41202).
How old is Cornerstone Realty Specialists Ltd.?
Cornerstone Realty Specialists Ltd. was incorporated on 18 September 2025, 1 year ago.
Who runs Cornerstone Realty Specialists Ltd.?
Cornerstone Realty Specialists Ltd. has 1 active director, the longest-serving appointed in Sep 2025. Their names and service addresses are on the Companies House register.
Who owns Cornerstone Realty Specialists Ltd.?
One person or company has significant control of Cornerstone Realty Specialists Ltd.: an individual (owns 75% or more of the shares).
What is the penalty if Cornerstone Realty Specialists 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 Realty Specialists 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.