- Companies
- Property developers
- Radlett
- Thamesown Properties Limited
Thamesown Properties Limited
- Company number
- 02425449
- Incorporated
- 22 Sep 198937 years trading
- Registered office
- 39 the Avenue, Radlett, Herts, WD7 7DQ
- Nature of business
- Development of building projects
Thamesown Properties Limited is a 37-year-old private limited company registered in Radlett, company number 02425449, one of 34 property development companies in Radlett. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 £685K (+147.4%) on the year before, to £220K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £111K against £143K owed within a year: 0.8 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 |
|---|---|---|---|---|---|
| 30 Mar 2025 | £220K | £8,278 | £111K | £143K | 1 |
| 30 Mar 2024 | -£464K | £64K | £322K | £30K | 1 |
| 30 Mar 2023 | -£477K | £63K | £310K | £29K | 1 |
| 30 Mar 2022 | -£494K | £61K | £295K | £31K | 1 |
| 30 Mar 2021 | -£502K | £61K | £287K | £31K | 1 |
| 31 Mar 2020 | -£529K | £29K | £259K | £31K | 1 |
| 31 Mar 2019 | -£538K | £20K | £252K | £32K | 1 |
| 31 Mar 2018 | -£548K | £9,460 | £242K | £55K | 1 |
| 31 Mar 2017 | -£565K | £20 | £228K | £58K | 1 |
| 31 Mar 2016 | -£565K | £102K |
Where Thamesown Properties Limited is registered
The registered office is in Radlett (WD7), in the Hertsmere local authority area, East of England. Show WD7 7DQ on a map.
Other trade companies in WD7
- Love My Cleaner Leighton Buzzard LtdCleaning companies
- Hilfield LimitedProperty developers
- Meranda Projects LimitedFinishing trades
- Parratt Electrical Services LtdElectricians
- Shaws Water Group LtdCivil engineering
- Fresh Form LtdCleaning companies
- Hollobon LimitedPainters and decorators
- Scleaningservices LtdCleaning companies
What happens if Thamesown Properties 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 02425449
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 September 1989 (37 years ago)
- Registered office
- 39 the Avenue, Radlett, Herts, WD7 7DQ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 9 September 2026
- Charges (mortgages)
- 2 outstanding of 5 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 Radlett
Other active property development companies registered in Radlett.
- 2Rokcons Ltd2023
- A.M.H. Properties Limited1970
- Avaresolution Ltd2022
- Babymonsters Ltd2012
- Bodminplan Limited1983
- Compass Design & Build Ltd2016
- Engineering Services Hertfordshire Limited2015
- First Regional Estates Ltd2006
All property development companies in Radlett · All trades in Radlett · Property developers across the UK
Frequently asked questions
When are Thamesown Properties Limited's accounts due?
Thamesown Properties Limited's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Thamesown Properties Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Thamesown Properties Limited still trading?
Thamesown Properties 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 Thamesown Properties Limited do?
Thamesown Properties Limited is registered under Development of building projects (SIC 41100).
How old is Thamesown Properties Limited?
Thamesown Properties Limited was incorporated on 22 September 1989, 37 years ago.
What is the penalty if Thamesown Properties 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 Thamesown Properties 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.