Thirlmere, Stevenage

House prices, sold prices and local information for SG1 6AQ, SG1 6AH.

Average price (last 12 months)
–
0 sales
Average price (since 2016)
£468,028
18 sales
Price range
£270k – £763k
lowest to highest sale
Last sale
1 Sep 2025
SG1 6AQ

At a glance

House prices£468k averageSince 2016 (few recent sales) CrimeLower than averageLower crime than about 90% of neighbourhoods in England DeprivationLess deprived than mostDecile 10 of 10 (10 = least deprived) Flood riskNear a flood alert areaLower risk than a warning area Nearest station50 min walkStevenage station Schools3 rated Good or betterWithin 1.5 miles Ultrafast broadband100% of homesNational average 80%

18 property sales on Thirlmere, Stevenage have been recorded by HM Land Registry since 2016. The most recent sale was on 1 Sep 2025. Most sales here are detached homes, which have sold for an average of £505,115. 2 homes here have sold more than once since 2016; 1 of them sold for more the second time.

House prices on Thirlmere compared

SG1 postcode area£367,104
Stevenage£372,872
England & Wales£356,718

Average sale price over the last 12 months. Thirlmere has had fewer than two sales in that time, so it is left out. See all SG1 house prices.

Average sale price by year

2016: £269,995 (1 sales)2016£270k2017: £454,500 (4 sales)2017£455k2018: £461,750 (2 sales)2018£462k2019: £470,000 (1 sales)2019£470k2021: £468,667 (3 sales)2021£469k2022: £585,833 (3 sales)2022£586k2024: £368,500 (2 sales)2024£369k2025: £521,250 (2 sales)2025£521k

Prices by property type

TypeSalesAverage priceLast sold
Detached13£505,1151 Aug 2025
Terraced5£371,5991 Sep 2025

Sold prices on Thirlmere

AddressDatePriceTypeTenure
65, Thirlmere SG1 6AQ 1 Sep 2025£370,000 TerracedFreehold
71, Thirlmere SG1 6AQ 13 Aug 2025£440,000 TerracedFreehold
27, Thirlmere SG1 6AQ 1 Aug 2025£672,500 DetachedFreehold
20, Thirlmere SG1 6AH 26 Jul 2024£362,000 TerracedFreehold
36, Thirlmere SG1 6AH 28 Mar 2024£375,000 DetachedFreehold
24, Thirlmere SG1 6AH 31 Jul 2023£342,500 TerracedFreehold
60, Thirlmere SG1 6AH 24 Nov 2022£762,500 DetachedFreehold
3, Thirlmere SG1 6AQ 12 Oct 2022£560,000 DetachedFreehold
75, Thirlmere SG1 6AQ 30 Aug 2022£435,000 DetachedFreehold
39, Thirlmere SG1 6AQ 29 Oct 2021£550,000 DetachedFreehold
83, Thirlmere SG1 6AQ 1 Sep 2021£556,000 TerracedFreehold
53, Thirlmere SG1 6AQ 14 Jan 2021£300,000 TerracedFreehold
33, Thirlmere SG1 6AQ 15 Aug 2019£470,000 DetachedFreehold
48, Thirlmere SG1 6AH 10 Dec 2018£421,500 DetachedFreehold
48, Thirlmere SG1 6AH 13 Sep 2018£462,500 DetachedFreehold
2, Thirlmere SG1 6AH 24 Aug 2018£502,000 DetachedFreehold
42, Thirlmere SG1 6AH 15 Dec 2017£398,000 DetachedFreehold
85, Thirlmere SG1 6AQ 22 Nov 2017£500,000 DetachedFreehold
41, Thirlmere SG1 6AQ 20 Jul 2017£445,000 DetachedFreehold
19, Thirlmere SG1 6AQ 25 Jan 2017£475,000 DetachedFreehold
53, Thirlmere SG1 6AQ 22 Jul 2016£269,995 TerracedFreehold

Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.

Sale history: homes sold more than once

AddressSalesChange
53, Thirlmere £269,995 (Jul 2016) → £300,000 (Jan 2021) +11%
over 4 yrs
48, Thirlmere £462,500 (Sep 2018) → £421,500 (Dec 2018) -9%
over under a year

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Crime and flood risk near Thirlmere

Crime

145 crimes were reported within about a mile of Thirlmere in August 2026.

Crime level compared with the rest of England (10 = lowest crime):

12345678910

Lower crime than about 90% of neighbourhoods in England, based on recorded crime rates (English Indices of Deprivation 2025).

Violence & sexual offences73
Anti-social behaviour30
Public order10
Criminal damage & arson6
Other theft5
Burglary4

Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.

Flood risk

Thirlmere is in or near 2 Environment Agency flood areas:

  • River Ivel in Hertfordshire and Central Bedfordshire Flood alert area
  • River Beane catchment Flood alert area

Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.

Schools near Thirlmere

SchoolTypeAgesOfstedDistance
Round Diamond Primary School 436 pupils Primary 3–11 Report 0.5 mi
Martins Wood Primary School 532 pupils Primary 2–11 Inadequate Report 0.6 mi
The Leys Primary and Nursery School 406 pupils Primary 3–11 Good Report 0.8 mi
The Giles Infant and Nursery School 325 pupils Primary 3–7 Good Report 0.9 mi
Giles Junior School 346 pupils Primary 7–11 Good Report 0.9 mi
The Nobel School 1,475 pupils Secondary 11–18 Report 1.0 mi
Lodge Farm Primary School 386 pupils Primary 3–11 Report 1.1 mi
Trotts Hill Primary and Nursery School 236 pupils Primary 4–11 Report 1.1 mi

Source: Department for Education (Get Information about Schools) and Ofsted. Grades are from each school's last graded inspection; newer inspections use report cards without a single overall grade, so check the full report. Distances are straight-line. Check catchment areas with the local council.

Getting around and local GPs

Train stations

  • Stevenage station 2.5 mi · 50 min walk
  • Knebworth station 4.1 mi · 1 hr 23 min walk
  • Hitchin station 4.8 mi · 1 hr 35 min walk

Nearest bus stops

  • Serpentine Close (adj, Gt Ashby Way) 2 min walk
  • Serpentine Close (opp, Great Ashby Way) 2 min walk
  • Allied Bakeries (nr, Cartwright Road) 3 min walk
  • Allied Bakeries (opp, Cartwright Road) 3 min walk

GP surgeries

  • Bedwell Medical Centre
    Sinfield Cl, Bedwell Cres, Stevenage · 1.7 mi
  • Stanmore Medical Group
    5 Stanmore Road, Stevenage · 2.0 mi
  • King George & Manor House Surgeries
    King George Surgery(Main), 135 High Street, Stevenage · 2.2 mi
  • Shephall Health Centre
    Ridlins End, Stevenage · 2.4 mi

Sources: Department for Transport (NaPTAN) and NHS England practice data. Walking times are estimates from straight-line distance.

Area profile

Deprivation

12345678910

This neighbourhood is in decile 10 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived 10% of areas in England and 10 the least deprived.

Income: decile 10 of 10 · Crime: decile 10 of 10.

Homes

HereEng & Wales
Owned90.4%62.5%
Private rented8.5%20.3%
Social rented1.1%17.1%
Households530

People

HereEng & Wales
Under 1520.5%17.4%
Aged 15–6470.3%64.1%
Aged 65+9.2%18.6%
Residents1,558

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)100%80%
Gigabit-capable100%80%

Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.

Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.

Nearby streets in SG1

See all streets in Stevenage All streets in SG1