- Companies
- Cleaning companies
- London
- Heritage Building Conservation Limited
Heritage Building Conservation Limited
- Company number
- 05895254
- Incorporated
- 3 Aug 200620 years trading
- Registered office
- 18 Whitby Avenue, Whitby Avenue, London, NW10 7SF
- Nature of business
- General cleaning of buildings
Heritage Building Conservation Limited is a 20-year-old private limited company registered in London, company number 05895254, one of 5,627 cleaning companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £225K (+196%) on the year before, to £340K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £1.4M against £1.7M owed within a year: 0.8 times cover.
- 28 employees on average during the year.
- Balance sheets on record for 9 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £340K | £383K | £1.4M | £1.7M | 28 |
| 31 Dec 2023 | £115K | £25K | £924K | £1.5M | 28 |
| 31 Dec 2022 | £281K | £131K | £876K | £1.3M | 30 |
| 31 Dec 2021 | £281K | £383K | £662K | £1.1M | 29 |
| 31 Dec 2020 | £968K | £503K | £1.5M | £1.3M | 32 |
| 31 Dec 2019 | £806K | £474K | £1.5M | £1.5M | 28 |
| 31 Dec 2017 | £625K | £167K | £791K | £1M | 25 |
| 31 Dec 2016 | £838K | £246K | £1.2M | £1.1M | 36 |
| 31 Dec 2015 | £690K | £236K | £1.2M | £851K | 36 |
Who runs and owns Heritage Building Conservation Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** S*** | Director | Aug 2007 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Wilsons (Company Secretaries) Limited | Secretary (company) | Aug 2006 | Nov 2024 |
| J*** D*** | Director | Oct 2007 | Oct 2026 |
| Wilsons (Company Agents) Limited | Director (company) | Aug 2006 | Aug 2007 |
People with significant control (2)
Charges (secured borrowing)
2 of 4 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Raymond Estates Ltd (Crn: 07214370), A private lender | Outstanding | Apr 2025 |
| Co-Operative Insurance Society Limited | Outstanding | Dec 2010 |
| Marketinvoice Limited | Satisfied Feb 2025 | Nov 2017 |
| Lloyds TSB Commercial Finance Ltd | Satisfied Nov 2017 | Apr 2013 |
Where Heritage Building Conservation Limited is registered
The registered office is in London (NW10), in the Brent local authority area, London. Show NW10 7SF on a map.
Other trade companies in NW10
- Smart Roof Group LtdRoofers
- Mah Maintenance London LimitedFinishing trades
- 46 Electrical LtdElectricians
- Ahf Construction LtdBuilders
- Hook and Hoist LtdMachinery repair and installation
- Wrights Building Services LtdFinishing trades
- Abx Autos LtdMotor traders
- Ev & Plug-in Centre LtdMechanics and garages
What happens if Heritage Building Conservation 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 05895254
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 August 2006 (20 years ago)
- Registered office
- 18 Whitby Avenue, Whitby Avenue, London, NW10 7SF
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 3 August 2026
- Charges (mortgages)
- 2 outstanding of 4 registered
- Previous names
- Thomann-Hanry UK Limited (until 6 Jan 2009)
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- Heritage External Cleaning Ltd2026
- Heritage Probate Clearance and Property Management Ltd2026
- Hetved Limited2026
- Hey Mama Ltd2024
- Hey Pest Control Ltd2026
- HG Integrated Building Services Ltd2023
- Hiber Cleaning Services Ltd2026
- Hicks Hygiene Ltd2024
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Heritage Building Conservation Limited's accounts due?
Heritage Building Conservation Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Heritage Building Conservation Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Heritage Building Conservation Limited still trading?
Heritage Building Conservation Limited 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 Heritage Building Conservation Limited do?
Heritage Building Conservation Limited is registered under General cleaning of buildings (SIC 81210).
How old is Heritage Building Conservation Limited?
Heritage Building Conservation Limited was incorporated on 3 August 2006, 20 years ago.
Who runs Heritage Building Conservation Limited?
Heritage Building Conservation Limited has 1 active director, the longest-serving appointed in Aug 2007. Their names and service addresses are on the Companies House register.
Who owns Heritage Building Conservation Limited?
2 people or companies have significant control of Heritage Building Conservation Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Heritage Building Conservation 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 Heritage Building Conservation Limited 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.