Flat 4, 13 Sidney Street, Grantham, NG31 8AZ
About Flat 4
Flat 4 is a semi-detached house in Grantham (NG31 8AZ). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to before 1900 and council tax band A. At 32 m² this is the smallest unit on EPC record across the building (32–46 m²). The building's EPC ratings span E to D, with this unit at the top. The latest certificate (May 2025) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 80). Main heating runs on electricity.
At 32 m² it sits well below the postcode median (87 m² across 52 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 4 has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 2 things worth checking at Flat 4
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Flat 4 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£131,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in NG31 8AZ: £145,000 (2025–2023).
Nearby sales in NG31 8AZ
Versus other Sidney Street homes
Floor Area for Flat 4 lags the street by a wide margin.
EPC Rating
58 (D)
Street avg 62 (D)
Floor Area
32 m²
Street avg 51 m²
CO₂ Emissions
2.6 t/year
Street avg 3.2 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Similar properties nearby
Flat 2, 18 Penrhyn Way
NG31 8XD
Flat 1, 13 Sidney Street
NG31 8AZ
Flat 1, 1 Gladstone Terrace
NG31 8BW
Flat 1, 18 Penrhyn Way
NG31 8XD
Flat 1, 2 Gladstone Terrace
NG31 8BW
Flat 1, 53 Manor Drive, Great Gonerby
NG31 8LX
Flat 2, 42 North Parade
NG31 8AN
Flat 2, 1 Gladstone Terrace
NG31 8BW
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
New Street — bus stop.
Closest school
0.3 km
The King's School, Grantham. 20 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.8dB

Night-time· 23:00 – 07:00
42.2dB







