- Companies
- Property developers
- Hounslow
- Maswell Engineering Ltd
Maswell Engineering Ltd
- Company number
- 12254494
- Incorporated
- 10 Oct 20197 years trading
- Registered office
- 10 Heldmann Close, Hounslow, TW3 2PA
- Nature of business
- Development of building projects
Maswell Engineering Ltd is a 7-year-old private limited company registered in Hounslow, company number 12254494, one of 154 property development companies in Hounslow. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 down £211 (-13.4%) on the year before, to £1,366.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £60K against £65K owed within a year: 0.9 times cover.
- 6 employees on average, down from 10 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £1,366 | £60K | £65K | 6 | |
| 31 Oct 2024 | £1,577 | £38K | £40K | 10 | |
| 31 Oct 2023 | £1,833 | £38K | £40K | 4 | |
| 31 Oct 2022 | £340 | £32K | £34K | 4 | |
| 31 Oct 2021 | £508 | £46K | £46K | 4 | |
| 31 Oct 2020 | £3,165 | £37K | £42K | 7 |
Who runs and owns Maswell Engineering Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| S*** Z*** | Director | Dec 2025 |
| S*** Z*** | Director | Dec 2025 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** Z*** | Director | Oct 2019 | Dec 2025 |
Person with significant control
Where Maswell Engineering Ltd is registered
The registered office is in Hounslow (TW3), in the Hounslow local authority area, London. Show TW3 2PA on a map.
Other trade companies in TW3
- Bela Building Development LimitedProperty developers
- JTRC LtdPlumbers and heating engineers
- RS Motoring LtdMotor traders
- Ramidi Constructions LtdBuilders
- Axis Projects 01 LtdBuilders
- WBSC LtdProperty developers
- Khosa Construction Group LtdProperty developers
- MJ Garden and Cleaning Solutions LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Maswell Engineering Ltd.
- MSR Cars LtdMotor traders
What happens if Maswell Engineering 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12254494
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 October 2019 (7 years ago)
- Registered office
- 10 Heldmann Close, Hounslow, TW3 2PA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 9 October 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 Hounslow
Other active property development companies registered in Hounslow.
- Maswell Properties Ltd2022
- Matchlocke Limited2007
- Meadow House Property Ltd2018
- Meyon Estates and Developments Limited2023
- Monarchis Limited2025
- MR Statom Limited2025
- MRH Properties Limited2012
- MSP Construction Projects Ltd2023
All property development companies in Hounslow · All trades in Hounslow · Property developers across the UK
Frequently asked questions
When are Maswell Engineering Ltd's accounts due?
Maswell Engineering Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Maswell Engineering Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Maswell Engineering Ltd still trading?
Maswell Engineering Ltd 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 Maswell Engineering Ltd do?
Maswell Engineering Ltd is registered under Development of building projects (SIC 41100).
How old is Maswell Engineering Ltd?
Maswell Engineering Ltd was incorporated on 10 October 2019, 7 years ago.
Who runs Maswell Engineering Ltd?
Maswell Engineering Ltd has 2 active directors, the longest-serving appointed in Dec 2025. Their names and service addresses are on the Companies House register.
Who owns Maswell Engineering Ltd?
One person or company has significant control of Maswell Engineering Ltd: an individual (owns 50% to 75% of the shares).
What is the penalty if Maswell Engineering 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 Maswell Engineering Ltd 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.