- Companies
- Property developers
- Barnet
- Glenthorne Construction Limited
Company profile · Property developers
Glenthorne Construction Limited
Glenthorne Construction Limited is a 13-year-old private limited company registered in Barnet, company number 08323967, one of 220 property development companies in Barnet. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Glenthorne Construction LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Glenthorne Construction Limited over the years
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 £83K (+117.4%) on the year before, to £153K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £309K against £244K owed within a year: 1.3 times cover.
- 1 employee 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 Dec 2025 | £153K | £309K | £244K | 1 | |
| 31 Dec 2024 | £70K | £148K | £66K | 1 | |
| 31 Dec 2023 | £40K | £87K | £25K | 1 | |
| 31 Dec 2022 | £27K | £110K | £54K | 1 | |
| 31 Dec 2021 | £31K | £245K | £182K | 1 | |
| 31 Dec 2020 | £8,253 | £209K | £210K | £162K | 1 |
| 31 Dec 2019 | £4,916 | £192K | £203K | £219K | 1 |
| 31 Dec 2018 | £352 | £9,207 | £8,855 | ||
| 31 Dec 2017 | £3,826 | £5,303 | £1,477 | ||
| 31 Dec 2016 | £2,031 | £2,761 | £2,761 | £730 |
Where Glenthorne Construction Limited is registered
The registered office is in Barnet (EN4), in the Barnet local authority area, London. Show EN4 8PJ on a map.
Other trade companies in EN4
- Mechanica Frequentia Calculi LtdElectricians
- Conrad Cleaning LimitedCleaning companies
- Vreto & Co LtdCleaning companies
- Reclaim Automotive UK LtdMotor traders
- We Love 500'S LimitedMechanics and garages
- Vanta Gas & Heating LtdBuilders
- T C Developments LtdProperty developers
- Xran LtdBuilders
What happens if Glenthorne Construction 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 08323967
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 December 2012 (13 years ago)
- Registered office
- 17 Connaught Avenue, East Barnet, Barnet, EN4 8PJ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 31 December 2025
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 Barnet
Other active property development companies registered in Barnet.
- Glorior Ltd2015
- Golden Hammer Construction Limited2025
- Goldenmore Limited1998
- GQ Building Services Limited2018
- Greenpoint Services Limited2018
- Grid Line Foundations Limited1971
- Hadley Property Management and Maintenance Limited2018
- Hamilton Russell Harper Wood (Boston) Limited2022
All property development companies in Barnet · All trades in Barnet · Property developers across the UK
Frequently asked questions
When are Glenthorne Construction Limited's accounts due?
Glenthorne Construction Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Glenthorne Construction Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Glenthorne Construction Limited still trading?
Glenthorne Construction 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 Glenthorne Construction Limited do?
Glenthorne Construction Limited is registered under Development of building projects (SIC 41100).
How old is Glenthorne Construction Limited?
Glenthorne Construction Limited was incorporated on 10 December 2012, 13 years ago.
What is the penalty if Glenthorne Construction 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 Glenthorne Construction 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.