- Companies
- Finishing trades
- Wallington
- W B Merrett & Son Limited
W B Merrett & Son Limited
- Company number
- 11788609
- Incorporated
- 25 Jan 20197 years trading
- Registered office
- Unit 7 Vulcan House, Restmor Way, Wallington, SM6 7AH
- Nature of business
- Other building completion and finishing
W B Merrett & Son Limited is a 7-year-old private limited company registered in Wallington, company number 11788609, one of 41 building finishing companies in Wallington. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £7,320 (-3.1%) on the year before, to £226K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £347K against £261K owed within a year: 1.3 times cover.
- 4 employees on average during the year.
- 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 Jan 2025 | £226K | £114K | £347K | £261K | 4 |
| 31 Jan 2024 | £234K | £66K | £308K | £237K | 4 |
| 31 Jan 2023 | £233K | £100K | £352K | £272K | 4 |
| 31 Jan 2022 | £253K | £76K | £360K | £222K | 5 |
| 31 Jan 2021 | £225K | £136K | £396K | £293K | 4 |
| 31 Jan 2020 | £373K | £214K | £603K | £297K | 3 |
Where W B Merrett & Son Limited is registered
The registered office is in Wallington (SM6), in the Sutton local authority area, London. Show SM6 7AH on a map.
Other trade companies in SM6
- Lno Construction LtdFinishing trades
- Hqa Renovation and Solutions LtdInstallers
- Averion Homes & Developments LtdProperty developers
- A&S Property Developer (London) LtdProperty developers
- Goready Mobile Tyres LtdMechanics and garages
- Burden Developments LimitedProperty developers
- Foxcontrolsolutions LtdElectricians
- Stelmac Design & Build LtdBuilders
Also registered at this address
21 other companies use the same registered office as W B Merrett & Son Limited.
- 3242 Investments LtdProperty developers
- 5 Electrical Engineering LtdElectricians
- Aa Building Contractors LtdFinishing trades
- Acorn Environmental UK LimitedCleaning companies
- Anfus Building Services LimitedFinishing trades
- BCR Electrical and Building Services LimitedElectricians
- Burke & Clemens LimitedCleaning companies
- Buzz Electrical Solutions LimitedMachinery repair and installation
- C B K Workspace Solutions LimitedGlaziers
- Courtman Electrical Contractors LimitedElectricians
- Custom Carpentry & Construction LtdFinishing trades
- Dewmead LimitedProperty developers
- Duratec Roofing LtdRoofers
- Goodwin Associates LimitedProperty developers
- Goodwin Commercial LimitedProperty developers
- H Squared Construction LtdBuilders
- H Squared Property Development LimitedProperty developers
- Orbis Electrics LimitedElectricians
- The Formative Years Group LimitedProperty developers
- The Plumbing Heating & Gas Consultants LtdPlumbers and heating engineers
- Wattsupp Electrical Contractors LimitedElectricians
What happens if W B Merrett & Son 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11788609
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 January 2019 (7 years ago)
- Registered office
- Unit 7 Vulcan House, Restmor Way, Wallington, SM6 7AH
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 24 January 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Wallington
Other active building finishing companies registered in Wallington.
- W&N Property Services Ltd2014
- Wai Multiservices Ltd2024
- WPM Building and Maintenance Ltd2011
- Aa Building Contractors Ltd2015
- Ace Interiors Ltd2017
- Amk Property Solutions Ltd2019
- Anfus Building Services Limited2013
- Beltsov Interiors Ltd2023
All building finishing companies in Wallington · All trades in Wallington · Finishing trades across the UK
Frequently asked questions
When are W B Merrett & Son Limited's accounts due?
W B Merrett & Son Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is W B Merrett & Son Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is W B Merrett & Son Limited still trading?
W B Merrett & Son 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 W B Merrett & Son Limited do?
W B Merrett & Son Limited is registered under Other building completion and finishing (SIC 43390).
How old is W B Merrett & Son Limited?
W B Merrett & Son Limited was incorporated on 25 January 2019, 7 years ago.
What is the penalty if W B Merrett & Son 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 W B Merrett & Son 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.