- Companies
- Property developers
- London
- William Hartley Developments Limited
William Hartley Developments Limited
- Company number
- 10249458
- Incorporated
- 24 Jun 201610 years trading
- Registered office
- 81 Woodland Gardens, London, N10 3UD
- Nature of business
- Development of building projects
William Hartley Developments Limited is a 10-year-old private limited company registered in London, company number 10249458, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £36K (+85.4%) on the year before, to -£6,098.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £1.2M against £1.2M owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£6,098 | £133K | £1.2M | £1.2M | 0 |
| 30 Jun 2024 | -£42K | £90K | £1.1M | £1.2M | 0 |
| 30 Jun 2023 | -£46K | £103K | £1.2M | £1.2M | -1 |
| 30 Jun 2022 | -£29K | £348K | £2.9M | £2.9M | 1 |
| 30 Jun 2021 | -£26K | £714K | £3M | £3M | 1 |
| 30 Jun 2020 | -£32K | £186K | £3.5M | £3.5M | 1 |
| 30 Jun 2019 | -£26K | £90K | £2.8M | £2.3M | 1 |
| 30 Jun 2018 | -£51K | £268K | £2.6M | £2.2M | |
| 30 Jun 2017 | £44K | £581K | £605K |
Where William Hartley Developments Limited is registered
The registered office is in London (N10), in the Haringey local authority area, London. Show N10 3UD on a map.
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What happens if William Hartley Developments 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
- 10249458
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2016 (10 years ago)
- Registered office
- 81 Woodland Gardens, London, N10 3UD
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 23 June 2026
- Charges (mortgages)
- 0 outstanding of 4 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 London
Other active property development companies registered in London.
- William Rose Developments Ltd2023
- William Thompson Homes (Upshire) Ltd2024
- Williams and Charles Construction Ltd2023
- Williams Group UK Properties Limited2015
- Williams Property (Wandsworth) Limited2022
- Williams Richardson and JFH Homes Ltd2025
- Williams Somerville Ltd2019
- Willo Estates Ltd2026
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are William Hartley Developments Limited's accounts due?
William Hartley Developments 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 William Hartley Developments Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is William Hartley Developments Limited still trading?
William Hartley Developments 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 William Hartley Developments Limited do?
William Hartley Developments Limited is registered under Development of building projects (SIC 41100).
How old is William Hartley Developments Limited?
William Hartley Developments Limited was incorporated on 24 June 2016, 10 years ago.
What is the penalty if William Hartley Developments 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 William Hartley Developments 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.