What kind of home is 40 Gelli Street, SA1 8NJ?

40 Gelli Street, SA1 8NJ is a mid-terrace house.

What was the last sold price for 40 Gelli Street, SA1 8NJ?

40 Gelli Street, SA1 8NJ last sold for £104,950 in August 2024, around 2 years ago. Before that, it sold for £27,000 in June 1999, so prices have been rising over 25 years on record. Source: HM Land Registry.

How has the value of 40 Gelli Street, SA1 8NJ changed over time?

Across 2 sales between June 1999 and August 2024, 40 Gelli Street, SA1 8NJ rose from £27,000 to £104,950, a change of £77,950. That works out to roughly +5.5% per year compounded over 25 years. Source: HM Land Registry.

What is the EPC rating for 40 Gelli Street, SA1 8NJ?

The current EPC rating for 40 Gelli Street, SA1 8NJ is C with a score of 69 out of 100, lodged in April 2024. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 40 Gelli Street, SA1 8NJ?

40 Gelli Street, SA1 8NJ has a recorded floor area of 76 m² (818 sq ft). Source: EPC Register.

What heating system does 40 Gelli Street, SA1 8NJ use?

The latest EPC at 40 Gelli Street, SA1 8NJ records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 40 Gelli Street, SA1 8NJ?

40 Gelli Street, SA1 8NJ is in council tax band B. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Which area is 40 Gelli Street, SA1 8NJ in?

40 Gelli Street, SA1 8NJ sits in Port Tennant, Swansea, Swansea. It falls within the SA1 postcode district.

What is crime like near 40 Gelli Street, SA1 8NJ?

Police records around 40 Gelli Street, SA1 8NJ show an average of 3 reported crimes per month over the last 11 months. Violent crime makes up roughly 35% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

How well connected is 40 Gelli Street, SA1 8NJ?

The closest bus stop to 40 Gelli Street, SA1 8NJ is St Stephens Church, 93m away. In total there are 30 bus stops within the surrounding area.

Calculators

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40 Gelli Street, Port Tennant, Swansea, SA1 8NJ

Property type

Mid terrace

Habitable rooms

From EPC

Floor area

76 m²

818 sq ft

Energy rating

Score 69

Council tax

Band B

Tenure

Owner Occupied

Overview

About 40 Gelli Street

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

40 Gelli Street is a mid-terrace house in Port Tennant, Swansea, Swansea (SA1 8NJ). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (April 2024) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 86).

Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). Across 1999–2024, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £137,000 is 30.5% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£128/sq ft) was about 28.4% above the typical sold price in the postcode. Last sale on file: £104,950 in August 2024.

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Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

EPC Rating

C69

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

2.7 t/year

Occupancy

Owner Occupied

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC CPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 40 Gelli Street, Port Tennant, Swansea, SA1 8NJ, sourced from the PlanIt planning register.

40 Gelli Street has no planning applications on record.

But the area is active

53 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Sale price has grown by over 3x since 1999.

Current estimate

£137,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 25 years.

See how we calculated this

Last sold (2024)

£104,950

Growth on file: 5.5% per year over 25 years.

Sales timeline

8 August 2024Most recent
£104,950
+288.7%over 25 years
17 June 1999
£27,000

Median price across the last 5 sales in SA1 8NJ: £127,000 (2025–2020).

Nearby sales in SA1 8NJ

On the street

Versus other Gelli Street homes

Four headline reads against 31 similar houses on this street, drawn from the latest EPC and Land Registry data.

40 Gelli Street is notably below the street on years held.

Price per m²

£1,381

Street avg £1,162

Above

Floor Area

76 m²

Street avg 86 m²

Below

Habitable Rooms

4 rooms

Street avg 4 rooms

On par

CO₂ Emissions

2.7 t/year

Street avg 3.5 t/year

Above

Before you decide

Everything you need to know about 40 Gelli Street

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£139k

1 George Powell House, Balaclava Street, St Thomas

SA1 8BR

£143k

1 Bay Street, Port Tennant

SA1 8LB

£131k

1 Grenfell Park Road, St Thomas

SA1 8EY

£127k

1 Ivy Bush Court, St Thomas

SA1 8DQ

£148k

1 Balaclava Street, St Thomas

SA1 8BS

4 bed1 bath

£123k

1 Canaan Row, St Thomas

SA1 8EQ

£154k

1 Beaumont Crescent, St Thomas

SA1 8DW

£120k

1 Dupre Road, St Thomas

SA1 8HB

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.

Full Swansea report

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

St Stephens Church — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 40 Gelli Street, Port Tennant, Swansea, SA1 8NJ. Each answer is also embedded as structured data for search engines.