Tretower, Merrow Street, Guildford, GU4 7AT
About Tretower
Tretower is a detached house in Guildford (GU4 7AT). It has a recorded floor area of 251 m² (around 2702 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (August 2024) shows a C (score 70). When first surveyed in October 2022 the rating was F, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 83).
Today's modelled estimate of £1,593,000 is 33.6% below the 2022 sale of £2,400,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£888/sq ft) was about 218.7% above the typical sold price in the postcode. At 251 m² the property is well over the postcode median (129 m² across 4 EPCs), placing it in the larger end of the local stock. 7 planning records sit against the property, 4 approved, 2 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Sold November 2022 for £2,400,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Tretower's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Hot water efficiency improved
Windows upgraded to triple glazing
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Planning history
A recent planning application at Tretower was refused — worth checking the council file.
7 applications on record at Tretower, Merrow Street, Guildford, GU4 7AT
- Jan 2009New BuildFullOutcome in report
Residential development of 13 dwellings comprising 10 x 3 bed, 1 x 4 bed and 2 x 2 bed dwellings with 29 car parking spaces (6 provided by 3 detached two bay car barns), bike stores providing 28 bicycle spaces, associated landscaping and new access onto Clayhanger.
- Documents
- 58 docs on file
- Reference
- 08/P/01830
- More recent applications — locked
- ConditionsJul 2023Decision
- PorchJun 2023Decision
+ 4 more applications in the report
Unlock Tretower, Merrow Street, Guildford, GU4 7AT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (6 on record)
- All 7 applications on this property in full, plus 3 notable nearby
- The 228 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Latest sale on Tretower was the highest on Land Registry record across the postcode.
£1,593,000
Modelled from EPC, postcode comparables.
£2,400,000
Recorded with HM Land Registry.
Sales timeline
14 November 2022Most recent
£2,400,000
Median price across the last 5 sales in GU4 7AT: £495,000 (2025–2012).
Nearby sales in GU4 7AT
2 Salisbury Cottages, Merrow Street, Guildford, GU4 7AT
Sold Mar 2025
£895,000Hazel Lodge, Merrow Street, Guildford, GU4 7AT
Sold Jun 2018
£1,142,7501 Salisbury Cottages, Merrow Street, Guildford, GU4 7AT
Sold Jul 2013
£410,000Little Malyans, Merrow Street, Guildford, GU4 7AT
Sold Jul 2012
£495,000Tayelend, Merrow Street, Guildford, GU4 7AT
Sold Jul 2005
£400,000
Versus other Merrow Street homes
Tretower outperforms the street on price per m² by a wide margin.
Price per m²
£9,562
Street avg £4,805
Floor Area
251 m²
Street avg 158 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
7.6 t/year
Street avg 5.1 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Baldwin Crescent — bus stop.
Closest school
0.1 km
Merrow CofE Controlled Infant School. 11 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.4dB

Night-time· 23:00 – 07:00
41.2dB







