1. Companies
  2. Civil engineering
  3. Waltham Abbey
  4. Kolev&Son UK Ltd

Kolev&Son UK Ltd

ActiveTotal exemption (full) accountsCivil engineeringWaltham Abbey
Company number
07144845
Incorporated
3 Feb 201016 years trading
Registered office
16 Crooked Mile, Waltham Abbey, Essex, EN9 1PS
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
48 days
30 Nov 2026
Net assets
£6,570▼
-11.7% on the year before
Cash at bank
£4,244▼
At 28 Feb 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Kolev&Son UK Ltd is a 16-year-old private limited company registered in Waltham Abbey, company number 07144845, one of 18 civil engineering contractors in Waltham Abbey. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
12 Jul 2027
in 272 days
Last made up to 28 Jun 2026

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 Kolev&Son UK Ltd

Or 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 £867 (-11.7%) on the year before, to £6,570.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £13K against £11K owed within a year: 1.3 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£5,00029 February 2016: net assets £8,667£8,667201628 February 2017: net assets £8,744£8,744201728 February 2018: net assets £7,449£7,449201828 February 2019: net assets £9,401£9,401201929 February 2020: net assets £9,521£9,521202028 February 2021: net assets £7,644£7,644202128 February 2022: net assets £5,964£5,964202228 February 2023: net assets £828£828202329 February 2024: net assets £7,437£7,437202428 February 2025: net assets £6,570£6,5702025
Net assets at each year end, 2016 to 2025£0£5,00029 February 2016: net assets £8,667£8,667'1628 February 2017: net assets £8,744£8,744'1728 February 2018: net assets £7,449£7,449'1828 February 2019: net assets £9,401£9,401'1929 February 2020: net assets £9,521£9,521'2028 February 2021: net assets £7,644£7,644'2128 February 2022: net assets £5,964£5,964'2228 February 2023: net assets £828£828'2329 February 2024: net assets £7,437£7,437'2428 February 2025: net assets £6,570£6,570'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£6,570£4,244£13K£11K2
29 Feb 2024£7,437£12K£23K£10K2
28 Feb 2023£828£7,528£19K£4,7872
28 Feb 2022£5,964£16K£34K£8,7502
28 Feb 2021£7,644£40K£55K£3,6142
29 Feb 2020£9,521£6,859£16K£7,7222
28 Feb 2019£9,401£4,185£12K£4,1902
28 Feb 2018£7,449£1,127£8,025£2,3023
28 Feb 2017£8,744£5,906£11K£3,7416
29 Feb 2016£8,667£12K£23K£16K

Who runs and owns Kolev&Son UK Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (2)

NameRoleAppointed
M*** K***DirectorFeb 2010
B*** K***SecretaryFeb 2012

Person with significant control

Individual · since Apr 2016
M*** K***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Kolev&Son UK Ltd is registered

Kolev&Son UK Ltd's registered office on a map of the UK

The registered office is in Waltham Abbey (EN9), in the Epping Forest local authority area, East of England. Show EN9 1PS on a map.

Other trade companies in EN9

What happens if Kolev&Son UK 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 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 2028another 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
07144845
Status
Active
Company type
Private limited company
Incorporated
3 February 2010 (16 years ago)
Registered office
16 Crooked Mile, Waltham Abbey, Essex, EN9 1PS
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
28 February (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
28 February 2025
Last confirmation statement
28 June 2026

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Waltham Abbey

Other active civil engineering contractors registered in Waltham Abbey.

All civil engineering contractors in Waltham Abbey · All trades in Waltham Abbey · Civil engineering across the UK

Frequently asked questions

When are Kolev&Son UK Ltd's accounts due?

Kolev&Son UK Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is Kolev&Son UK Ltd's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Kolev&Son UK Ltd still trading?

Kolev&Son UK 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 Kolev&Son UK Ltd do?

Kolev&Son UK Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Kolev&Son UK Ltd?

Kolev&Son UK Ltd was incorporated on 3 February 2010, 16 years ago.

Who runs Kolev&Son UK Ltd?

Kolev&Son UK Ltd has 1 active director, the longest-serving appointed in Feb 2010. Their names and service addresses are on the Companies House register.

Who owns Kolev&Son UK Ltd?

One person or company has significant control of Kolev&Son UK Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Kolev&Son UK 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 Kolev&Son UK Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk