- Companies
- Glaziers
- Carshalton
- Elwyns Windows Limited
Elwyns Windows Limited
- Company number
- 04183572
- Incorporated
- 20 Mar 200125 years trading
- Registered office
- 114 High Street, Carshalton, Surrey, 114 High Street, Carshalton, SM5 3AE
- Nature of business
- Glazing; Other specialised construction activities n.e.c.
Elwyns Windows Limited is a 25-year-old private limited company registered in Carshalton, company number 04183572, one of 12 glazing companies in Carshalton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 down £114K (-34.9%) on the year before, to £213K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £656K against £483K owed within a year: 1.4 times cover.
- 23 employees on average, up from 21 the year before.
- 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 Mar 2025 | £213K | £495K | £656K | £483K | 23 |
| 31 Mar 2024 | £326K | £610K | £675K | £381K | 21 |
| 31 Mar 2023 | £279K | £588K | £665K | £420K | 20 |
| 31 Mar 2022 | £293K | £629K | £756K | £513K | 18 |
| 31 Mar 2021 | £320K | £604K | £657K | £403K | 18 |
| 31 Mar 2020 | £232K | £488K | £497K | £344K | 18 |
| 31 Mar 2019 | £289K | £344K | £639K | £446K | 25 |
| 31 Mar 2018 | £242K | £485K | £588K | £393K | 21 |
| 31 Mar 2017 | £197K | £496K | £575K | £429K | 20 |
| 31 Mar 2016 | £221K | £514K | £635K | £472K |
Where Elwyns Windows Limited is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 3AE on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
What happens if Elwyns Windows 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
- 04183572
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2001 (25 years ago)
- Registered office
- 114 High Street, Carshalton, Surrey, 114 High Street, Carshalton, SM5 3AE
- Nature of business
- Glazing (SIC 43342)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 March 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Carshalton
Other active glazing companies registered in Carshalton.
- FWS Manufacturing Limited2020
- Guild Home Improvements Limited2002
- Janus Commercial Contracts Limited2019
- JN VV Windows Ltd2018
- Skys the Limit Solutions Ltd2024
- Unique Windows (London) Limited2006
- Ahd Installations Ltd2020
- Alltype Glazing Limited2024
All glazing companies in Carshalton · All trades in Carshalton · Glaziers across the UK
Frequently asked questions
When are Elwyns Windows Limited's accounts due?
Elwyns Windows 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 Elwyns Windows Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Elwyns Windows Limited still trading?
Elwyns Windows 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 Elwyns Windows Limited do?
Elwyns Windows Limited is registered under Glazing (SIC 43342); Other specialised construction activities n.e.c. (SIC 43999).
How old is Elwyns Windows Limited?
Elwyns Windows Limited was incorporated on 20 March 2001, 25 years ago.
What is the penalty if Elwyns Windows 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 Elwyns Windows 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.