Software Engineer Salary London 2026: What the Data Actually Shows

A quarter of software engineers in London earn £52,000 or less. At the other end, the top 10% earn upwards of £125,000. That's a £73,000+ gap between the bottom quartile and the 90th percentile — which means "is this offer good?" is almost impossible to answer without knowing where on that distribution your number actually sits.

This article breaks down the 2026 London software engineer salary landscape using ONS Annual Survey of Hours and Earnings (ASHE) 2025 data, explains what drives the variation, and gives you a practical framework for assessing any offer you've received.

What software engineers in London actually earn in 2026

According to ONS ASHE 2025, the salary distribution for software engineers in London looks like this:

The median — £72,000 — is the most useful reference point for most people. It's the midpoint of the actual working population, not an average skewed by a handful of £300k outlier packages at late-stage startups or American tech giants.

If your offer is below £52,000 base, you're in the bottom quarter of the market for London software engineers. That doesn't automatically make it a bad offer — early-career roles, some smaller agencies, and certain non-profit or public sector positions sit here — but you should know that's where it lands.

An offer in the £72,000–£95,000 band is broadly in line with market. Above £95,000, you're in the top quartile. Above £125,000, you're in the top 10% of earners in this role in this city.

For a deeper breakdown including sector and experience splits, see the full software engineer salary guide for london.

Why salaries vary so much: experience, sector, and stack

The ONS ASHE data captures base salary across all software engineering roles in London, but several structural factors drive the spread.

Experience level is the biggest single driver. A junior engineer with one to two years of experience typically sits around or below the p25 mark. Mid-level engineers (three to six years) cluster around the median. Senior engineers — those with seven or more years, or those leading technical work — more commonly sit between p75 and p90.

Sector matters considerably. Finance and financial technology employers consistently pay above the median. A software engineer at a London-based investment bank or high-frequency trading firm can reach p90 compensation at mid-level. Enterprise software, consulting, and larger tech companies tend to cluster around p50–p75. Agencies, early-stage startups, and public sector roles are more likely to sit at or below p50.

Technology stack has a more modest effect on base salary than most engineers expect, but it's not zero. Roles requiring Rust, Go, or specialised ML infrastructure experience tend to attract slightly higher base offers, reflecting lower candidate supply. Frontend roles in older JavaScript frameworks often attract lower bases than backend or infrastructure-focused positions at equivalent seniority.

Remote versus on-site is increasingly priced in. Fully remote roles advertised by London-based companies sometimes offer a slight discount to on-site equivalents — though this varies by employer. Hybrid roles with two to three days in-office are now the norm and generally align with the standard London salary bands.

Total compensation: base salary is only part of the picture

When evaluating a software engineer offer in London, base salary is the most straightforward component — but rarely the whole story.

Bonuses at London tech companies typically range from 0% to 20% of base for individual contributors, with higher percentages at financial services firms. A £72,000 base with a 15% annual bonus is a materially different offer from £72,000 with no bonus.

Equity varies enormously. RSUs (restricted stock units) at publicly listed tech companies have predictable value; options at early-stage startups carry significant uncertainty. When comparing offers, it's reasonable to discount illiquid equity substantially unless you have strong reason to believe in near-term liquidity.

Pension contributions matter more than most candidates account for. Employer contributions above the 3% auto-enrolment minimum — say, 6–10% — add meaningful value to the overall package. A £70,000 offer with 8% employer pension contribution is worth more in total than a £72,000 offer with 3%.

Other benefits — private healthcare, income protection, additional annual leave — have real monetary value but are harder to benchmark. Focus first on getting base and bonus to a fair level before optimising for perks.

When how to evaluate a job offer covers total compensation in more detail, the consistent finding is that candidates systematically underweight recurring cash components (bonus, pension) and overweight one-off signing payments.

How London compares to other tech hubs

London is the highest-paying city for software engineers in the UK by a significant margin. ONS ASHE data shows London median software engineer salaries running roughly 25–35% above the UK national median for the same role.

Compared to other European cities, London still leads — though the gap has narrowed. Software engineer salaries across Europe shows that Zurich and Amsterdam have both seen strong salary growth in recent years, with Zurich in particular competitive with London at senior levels once cost of living is set aside. Paris, Berlin, and Madrid remain notably below London in nominal terms, though the gap looks different when adjusted for purchasing power.

Compared to US tech hubs, London salaries in base-salary terms are lower than San Francisco or New York — but the comparison is complicated by healthcare costs, pension structures, and statutory leave entitlements that differ substantially between markets.

For anyone weighing a London offer against an international opportunity, or simply want to see how the market sits across cities, the salary benchmarks by role and city hub provides structured comparisons.

How to use this data when negotiating

The percentile data from ONS ASHE gives you a defensible anchor for negotiation conversations. A few practical points:

Cite the source explicitly. "ONS data shows the median software engineer salary in London is £72,000" is harder for a recruiter to dismiss than "I think I should be paid more." Official government survey data is credible and not easily challenged.

Know which percentile you're targeting. If you have seven years of experience, have led technical teams, and are joining a fintech, targeting p75 (£95,000) or above is reasonable. If you're two years into your career joining a Series A startup, p25–median is a realistic reference range.

Separate the negotiation components. If an employer won't move on base, ask about bonus percentage, equity, or pension contribution. These are sometimes easier to flex than headline salary, particularly at larger companies with rigid salary bands.

Get the number in writing before accepting. Verbal offers are not offers. Confirm base, bonus target, equity grant, and vesting schedule in writing before handing in your notice.

Understanding how CompVerdict salary benchmarks work can also help you frame the data correctly — the methodology page explains how ASHE data is processed and what the percentile figures actually represent.

Frequently asked questions

What is a good software engineer salary in London in 2026?

According to ONS ASHE 2025 data, the median software engineer salary in London is £72,000. An offer above £72,000 is above the midpoint of the market. The top quartile starts at £95,000 and the top 10% at £125,000+. "Good" depends on your experience level and sector — a senior engineer at a financial technology firm should reasonably target p75 or above.

Is £60,000 a good salary for a software engineer in London?

£60,000 sits between the p25 (£52,000) and the median (£72,000) — in the lower half of the market. It's not an outlier, and for early-to-mid career roles or certain sectors it's within range, but it's below what a mid-level engineer with several years of experience should expect in London's tech market in 2026.

How does experience affect software engineer salaries in London?

Experience is the single largest driver of salary variation. Junior engineers (one to two years) typically earn at or below £52,000. Mid-level engineers (three to six years) cluster around the £65,000–£85,000 range. Senior engineers (seven-plus years, or with staff/lead responsibilities) more commonly sit between £95,000 and £125,000+. These are approximate bands — sector and company type also matter significantly.

How do I know if my specific offer is fair?

The percentile benchmarks in this article give you a starting reference. For a more precise verdict on your specific offer — accounting for your role title, experience level, and total package — use CompVerdict — check if your offer is fair. It benchmarks against official ONS ASHE data and returns a verdict in under 30 seconds, free, with no account required.

If you've received a software engineer offer in London and want to know exactly where it sits in the market, run it through CompVerdict. Enter your base salary, bonus, equity, and location, and get an instant benchmark against ONS ASHE 2025 data — no sign-up, no waiting, no vague ranges. You'll know within 30 seconds whether your offer is strong, fair, or below what the market is paying.