- Companies
- Specialist contractors
- Peterlee
- Mend My Window Limited
Mend My Window Limited
- Company number
- 11238731
- Incorporated
- 7 Mar 20188 years trading
- Registered office
- Mariholme, Station Road, Peterlee, SR8 3SP
- Nature of business
- Other specialised construction activities n.e.c.
Mend My Window Limited is a 8-year-old private limited company registered in Peterlee, company number 11238731, one of 9 specialist construction companies in Peterlee. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Mend My Window LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £214 (-0.9%) on the year before, to £23K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £22K against £5,502 owed within a year: 4.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £23K | £22K | £5,502 | 1 | |
| 31 Mar 2024 | £23K | £21K | £2,605 | 1 | |
| 31 Mar 2023 | £22K | £21K | £2,605 | 1 | |
| 31 Mar 2022 | £11K | £8,726 | £523 | 1 | |
| 31 Mar 2021 | £7,250 | £6,532 | £1,082 | 1 | |
| 31 Mar 2020 | £1,395 | £1,006 | £911 | 1 | |
| 31 Mar 2019 | £1,287 | £3,890 | £3,903 |
Where Mend My Window Limited is registered
The registered office is in Peterlee (SR8), in the County Durham local authority area, North East. Show SR8 3SP on a map.
Other trade companies in SR8
- Road Maintenance LimitedCivil engineering
- Arvijen LtdMachinery repair and installation
- Corfield Services LtdElectricians
- ND Ne LtdBuilders
- Ne Mobile Mechanic LtdMechanics and garages
- Align HVAC & Refrigeration LimitedPlumbers and heating engineers
- Solusenergy LtdPlumbers and heating engineers
- GTL Tyres (Ne) LtdMotor traders
What happens if Mend My Window 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
- 11238731
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 March 2018 (8 years ago)
- Registered office
- Mariholme, Station Road, Peterlee, SR8 3SP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 6 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Peterlee
Other active specialist construction companies registered in Peterlee.
- R&R Civils & Utilities Ltd2022
- Rod Technical Ltd2014
- S & C Ellis Ltd2023
- Sky Access Worldwide Ltd2025
- 24/7 Crane Hire Ltd2015
- CM Ai Ltd2025
- Everyfix Group Ltd2025
- Ivic Limited1989
All specialist construction companies in Peterlee · All trades in Peterlee · Specialist contractors across the UK
Frequently asked questions
When are Mend My Window Limited's accounts due?
Mend My Window 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 Mend My Window 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 Mend My Window Limited still trading?
Mend My Window 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 Mend My Window Limited do?
Mend My Window Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mend My Window Limited?
Mend My Window Limited was incorporated on 7 March 2018, 8 years ago.
What is the penalty if Mend My Window 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 Mend My Window 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.